[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: next Commit: 0352b5f3b4e68775a4d5ee904736f4b9034e9177 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=0352b5f3b4e68775a4d5ee904736f4b9034e9177 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: next Commit: d2c58ed8cfa734f0e0e8df83d50c26b92137a67a URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=d2c58ed8cfa734f0e0e8df83d50c26b92137a67a Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: next Commit: 70428fab9a5c37238f56031aebeb769f16b1f445 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=70428fab9a5c37238f56031aebeb769f16b1f445 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: next Commit: 91986ec78a583e9dd64fac2da089dd4127d40540 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=91986ec78a583e9dd64fac2da089dd4127d40540 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: next Commit: 23a1561c02b2d2c9042acddfac77c9f9298aa2e8 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=23a1561c02b2d2c9042acddfac77c9f9298aa2e8 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: next Commit: 7c355b095feccc143107525d0eb26f86936a7629 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=7c355b095feccc143107525d0eb26f86936a7629 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: next Commit: 2cf852273b9317eff8d210a8caa2b326a2dff321 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=2cf852273b9317eff8d210a8caa2b326a2dff321 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: next Commit: dad41ec81b3c6d2fbc183e4b1fd98dc718dc96a3 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=dad41ec81b3c6d2fbc183e4b1fd98dc718dc96a3 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: next Commit: 1fcec37485180e55af4dd12bf8557ca4be426930 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=1fcec37485180e55af4dd12bf8557ca4be426930 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: next Commit: 89f7982ea43f7a64442ec4b1c24a0e92c5c70cf0 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=89f7982ea43f7a64442ec4b1c24a0e92c5c70cf0 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: next Commit: 1ec57fcc8d4438383df5436a21c80b9c35f5abe3 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=1ec57fcc8d4438383df5436a21c80b9c35f5abe3 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: next Commit: 5d071aaec6012b2ff4e1b74c42e4d86efc9c3814 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=5d071aaec6012b2ff4e1b74c42e4d86efc9c3814 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: next Commit: 44262c83838726d3913d00549d162d5a34fe9ee1 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=44262c83838726d3913d00549d162d5a34fe9ee1 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: next Commit: c5b1a24ea5d2f703de4063eb706d68c8ba3ac617 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=c5b1a24ea5d2f703de4063eb706d68c8ba3ac617 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: next Commit: 0f5cd024d48c5e50eebdb4d7b2dde2f55632c6b7 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=0f5cd024d48c5e50eebdb4d7b2dde2f55632c6b7 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: next Commit: 0f4a42f32131ae724170adc496aa2f1fd622fed3 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=0f4a42f32131ae724170adc496aa2f1fd622fed3 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: next Commit: af71c0fd6e653a0d194c0244734b824f21b3ce26 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=af71c0fd6e653a0d194c0244734b824f21b3ce26 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: next Commit: 9865a1e22a9ec04f3188152c3e9a66690b8935d8 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=9865a1e22a9ec04f3188152c3e9a66690b8935d8 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: next Commit: 334b8fb944e9c726916bf484df0edf828ac3b0b7 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=334b8fb944e9c726916bf484df0edf828ac3b0b7 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: arm64 Commit: dab46fbbd54f0468f4f1ceda44279584573428f7 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=dab46fbbd54f0468f4f1ceda44279584573428f7 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: arm64 Commit: 2b8707a6f9a08b3f3438566088da3ecaaadc42e2 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=2b8707a6f9a08b3f3438566088da3ecaaadc42e2 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: arm64 Commit: 132982bfc2d6b5bbe396972a4add282e0064b142 URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=132982bfc2d6b5bbe396972a4add282e0064b142 Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure
[Xenomai-git] Dmitriy Cherkasov : cobalt/arm64: thread: use kernel switch_to
Module: xenomai-3 Branch: arm64 Commit: 82cadccfdbcdcb41b8bf2e9f4e752affbf0c676f URL: http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=82cadccfdbcdcb41b8bf2e9f4e752affbf0c676f Author: Dmitriy Cherkasov Date: Fri May 15 23:26:18 2015 -0700 cobalt/arm64: thread: use kernel switch_to --- kernel/cobalt/arch/arm64/Makefile |2 +- kernel/cobalt/arch/arm64/switch.S | 167 - kernel/cobalt/arch/arm64/thread.c |5 +- 3 files changed, 2 insertions(+), 172 deletions(-) diff --git a/kernel/cobalt/arch/arm64/Makefile b/kernel/cobalt/arch/arm64/Makefile index a135f99..af0a0e8 100644 --- a/kernel/cobalt/arch/arm64/Makefile +++ b/kernel/cobalt/arch/arm64/Makefile @@ -1,5 +1,5 @@ obj-$(CONFIG_XENOMAI) += xenomai.o -xenomai-y := machine.o mayday.o thread.o switch.o syscall.o +xenomai-y := machine.o mayday.o thread.o syscall.o ccflags-y := -Iarch/arm64/xenomai/include -Iinclude/xenomai diff --git a/kernel/cobalt/arch/arm64/switch.S b/kernel/cobalt/arch/arm64/switch.S deleted file mode 100644 index 505fd5a..000 --- a/kernel/cobalt/arch/arm64/switch.S +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Copyright (C) 2005 Stelian Pop. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 675 Mass Ave, Cambridge MA 02139, - * USA; either version 2 of the License, or (at your option) any later - * version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include -#include -#include -#include -#include -#ifdef CONFIG_VFP -#include -#endif - - .macro fpu_switch tmp -#ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ <= 6 -#ifdef CONFIG_JUMP_LABEL -9998: nop - .pushsection __jump_table, "aw" - .word 9998b, f, __xeno_vfp_key - .popsection -#else - ldr \tmp, =elf_hwcap - ldr \tmp, [\tmp] - tst \tmp, #HWCAP_VFP - beq f -#endif -#endif - @ Always disable VFP so we can lazily save/restore the old - @ state. This occurs in the context of the previous thread. - VFPFMRX \tmp, FPEXC - bic \tmp, \tmp, #FPEXC_EN - VFPFMXR FPEXC, \tmp -#if __LINUX_ARM_ARCH__ <= 6 -: -#endif -#endif - .endm - - .text - -#if defined(CONFIG_VFP) && defined(CONFIG_XENO_ARCH_FPU) -/* Copied from vfp_save_state in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state, r1 = fpexc - */ -ENTRY(__asm_vfp_save) - VFPFSTMIA r0, r2 @ save the working registers - VFPFMRX r2, FPSCR @ current status - tst r1, #FPEXC_EX @ is there additional state to save? - beq 1f - VFPFMRX r3, FPINST @ FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to read? - beq 1f - VFPFMRX r12, FPINST2@ FPINST2 if needed (and present) -1: - stmia r0, {r1, r2, r3, r12} @ save FPEXC, FPSCR, FPINST, FPINST2 - mov pc, lr -ENDPROC(__asm_vfp_save) - -/* Copied from no_old_VFP_process in arch/arm/vfp/vfphw.S - * r0 = pointer to union vfp_state - * r1 = current cpu - */ -ENTRY(__asm_vfp_load) -#ifdef CONFIG_SMP - str r1, [r0, #VFP_CPU] -#endif - VFPFLDMIA r0, r2 @ reload the working registers while - @ FPEXC is in a safe state - ldmia r0, {r1, r2, r3, r12} @ load FPEXC, FPSCR, FPINST, FPINST2 - tst r1, #FPEXC_EX @ is there additional state to restore? - beq 1f - VFPFMXR FPINST, r3 @ restore FPINST (only if FPEXC.EX is set) - tst r1, #FPEXC_FP2V @ is there an FPINST2 to write? - beq 1f - VFPFMXR FPINST2, r12@ FPINST2 if needed (and present) -1: - VFPFMXR FPSCR, r2 @ restore status - mov pc, lr -ENDPROC(__asm_vfp_load) -#endif - -#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 11, 0) - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - .endm - - .macro switch_tls base, tp, tpuser, tmp1, tmp2 - set_tls \tp, \tmp1, \tmp2 - .endm -#else - .macro load_tls base, tp, tpuser - ldr \tp, [\base, #TI_TP_VALUE] - ldr \tpuser, [\base, #TI_TP_VALUE + 4] - .endm -#endif - -/* -/* - * Switch context routine. - * - * Registers according to the ARM procedure