Module Name: src Committed By: matt Date: Wed Nov 21 00:00:10 UTC 2012
Modified Files: src/sys/arch/arm/include [matt-nb6-plus]: Makefile vfpreg.h Added Files: src/sys/arch/arm/include [matt-nb6-plus]: aeabi.h Log Message: Add aeabi.h, cpuconf.h, and vfpreg.h To generate a diff of this commit: cvs rdiff -u -r1.40 -r1.40.10.1 src/sys/arch/arm/include/Makefile cvs rdiff -u -r0 -r1.2.6.2 src/sys/arch/arm/include/aeabi.h cvs rdiff -u -r1.1 -r1.1.56.1 src/sys/arch/arm/include/vfpreg.h Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/arch/arm/include/Makefile diff -u src/sys/arch/arm/include/Makefile:1.40 src/sys/arch/arm/include/Makefile:1.40.10.1 --- src/sys/arch/arm/include/Makefile:1.40 Sun Jul 17 23:52:12 2011 +++ src/sys/arch/arm/include/Makefile Wed Nov 21 00:00:10 2012 @@ -1,10 +1,10 @@ -# $NetBSD: Makefile,v 1.40 2011/07/17 23:52:12 dyoung Exp $ +# $NetBSD: Makefile,v 1.40.10.1 2012/11/21 00:00:10 matt Exp $ INCSDIR= /usr/include/arm -INCS= ansi.h aout_machdep.h armreg.h asm.h atomic.h \ +INCS= aeabi.h ansi.h aout_machdep.h armreg.h asm.h atomic.h \ bswap.h byte_swap.h \ - cdefs.h cpu.h \ + cdefs.h cpu.h cpuconf.h \ disklabel.h \ elf_machdep.h endian.h endian_machdep.h \ float.h fp.h frame.h \ @@ -18,6 +18,7 @@ INCS= ansi.h aout_machdep.h armreg.h asm reg.h rwlock.h \ setjmp.h signal.h swi.h sysarch.h \ trap.h types.h \ + vfpreg.h \ wchar_limits.h .include <bsd.kinc.mk> Index: src/sys/arch/arm/include/vfpreg.h diff -u src/sys/arch/arm/include/vfpreg.h:1.1 src/sys/arch/arm/include/vfpreg.h:1.1.56.1 --- src/sys/arch/arm/include/vfpreg.h:1.1 Sat Mar 15 10:16:43 2008 +++ src/sys/arch/arm/include/vfpreg.h Wed Nov 21 00:00:10 2012 @@ -1,4 +1,4 @@ -/* $NetBSD: vfpreg.h,v 1.1 2008/03/15 10:16:43 rearnsha Exp $ */ +/* $NetBSD: vfpreg.h,v 1.1.56.1 2012/11/21 00:00:10 matt Exp $ */ /* * Copyright (c) 2008 ARM Ltd @@ -45,20 +45,60 @@ #define VFP_FPSID_ARCH_MSK 0x000f0000 /* Architecture */ #define VFP_FPSID_ARCH_V1 0x00000000 /* Arch VFPv1 */ #define VFP_FPSID_ARCH_V2 0x00010000 /* Arch VFPv2 */ +#define VFP_FPSID_ARCH_V3_2 0x00020000 /* Arch VFPv3 (subarch v2) */ +#define VFP_FPSID_ARCH_V3 0x00030000 /* Arch VFPv3 (no subarch) */ +#define VFP_FPSID_ARCH_V3_3 0x00040000 /* Arch VFPv3 (subarch v3) */ #define VFP_FPSID_PART_MSK 0x0000ff00 /* Part number */ #define VFP_FPSID_PART_VFP10 0x00001000 /* VFP10 */ +#define VFP_FPSID_PART_VFP11 0x00002000 /* VFP11 */ +#define VFP_FPSID_PART_VFP30 0x00003000 /* VFP30 */ #define VFP_FPSID_VAR_MSK 0x000000f0 /* Variant */ #define VFP_FPSID_VAR_ARM10 0x000000a0 /* Variant ARM10 */ +#define VFP_FPSID_VAR_ARM11 0x000000b0 /* Variant ARM11 */ #define VFP_FPSID_REV_MSK 0x0000000f /* Revision */ -#define VFP_FPEXC_EX 0x80000000 /* Exception status bit */ -#define VFP_FPEXC_EN 0x40000000 /* Enable bit */ - -#define VFP_FPSCR_DN 0x02000000 /* Default NaN mode */ -#define VFP_FPSCR_FZ 0x01000000 /* Flush-to-zero mode */ - - #define FPU_VFP10_ARM10E 0x410001a0 /* Really a VFPv2 part */ #define FPU_VFP11_ARM11 0x410120b0 +#define FPU_VFP_CORTEXA5 0x41023050 +#define FPU_VFP_CORTEXA7 0x41023070 +#define FPU_VFP_CORTEXA8 0x410330c0 +#define FPU_VFP_CORTEXA9 0x41033090 + +#define VFP_FPEXC_EX 0x80000000 /* Exception status bit */ +#define VFP_FPEXC_EN 0x40000000 /* VFP Enable bit */ +#define VFP_FPEXC_FP2V 0x10000000 /* FPINST2 instruction valid */ +#define VFP_FPEXC_VECITR 0x00000700 /* Vector iteration count */ +#define VFP_FPEXC_INV 0x00000080 /* Input exception flag */ +#define VFP_FPEXC_UFC 0x00000080 /* Potential underflow flag */ +#define VFP_FPEXC_OFC 0x00000080 /* Potential overflow flag */ +#define VFP_FPEXC_IOC 0x00000080 /* Potential inv. op. flag */ + +#define VFP_FPSCR_N 0x80000000 /* set if compare <= result */ +#define VFP_FPSCR_Z 0x40000000 /* set if compare = result */ +#define VFP_FPSCR_C 0x20000000 /* set if compare (=,>=,UNORD) result */ +#define VFP_FPSCR_V 0x10000000 /* set if compare UNORD result */ +#define VFP_FPSCR_DN 0x02000000 /* Default NaN mode */ +#define VFP_FPSCR_FZ 0x01000000 /* Flush-to-zero mode */ +#define VFP_FPSCR_RMODE 0x00c00000 /* Rounding Mode */ +#define VFP_FPSCR_RZ 0x00c00000 /* round towards zero (RZ) */ +#define VFP_FPSCR_RM 0x00800000 /* round towards +INF (RP) */ +#define VFP_FPSCR_RP 0x00400000 /* round towards -INF (RM) */ +#define VFP_FPSCR_RN 0x00000000 /* round to nearest (RN) */ +#define VFP_FPSCR_STRIDE 0x00300000 /* Vector Stride */ +#define VFP_FPSCR_LEN 0x00070000 /* Vector Length */ +#define VFP_FPSCR_IDE 0x00008000 /* Inout Subnormal Exception Enable */ +#define VFP_FPSCR_ESUM 0x00001f00 /* IXE|UFE|OFE|DZE|IOE */ +#define VFP_FPSCR_IXE 0x00001000 /* Inexact Exception Enable */ +#define VFP_FPSCR_UFE 0x00000800 /* Underflow Exception Enable */ +#define VFP_FPSCR_OFE 0x00000400 /* Overflow Exception Enable */ +#define VFP_FPSCR_DZE 0x00000200 /* Inexact Exception Enable */ +#define VFP_FPSCR_IOE 0x00000100 /* Invalid Operation Cumulative Flag */ +#define VFP_FPSCR_IDC 0x00000080 /* Input Subnormal Cumlative Flag */ +#define VFP_FPSCR_CSUM 0x0000001f /* IXC|UFC|OFC|DZC|IOC */ +#define VFP_FPSCR_IXC 0x00000010 /* Inexact Cumulative Flag */ +#define VFP_FPSCR_UFC 0x00000008 /* Underflow Cumulative Flag */ +#define VFP_FPSCR_OFC 0x00000004 /* Overflow Cumulative Flag */ +#define VFP_FPSCR_DZC 0x00000002 /* DivByZero Cumulative Flag */ +#define VFP_FPSCR_IOC 0x00000001 /* Invalid Operation Cumulative Flag */ #endif /* _VFPREG_H */ Added files: Index: src/sys/arch/arm/include/aeabi.h diff -u /dev/null src/sys/arch/arm/include/aeabi.h:1.2.6.2 --- /dev/null Wed Nov 21 00:00:10 2012 +++ src/sys/arch/arm/include/aeabi.h Wed Nov 21 00:00:10 2012 @@ -0,0 +1,200 @@ +/* $NetBSD: aeabi.h,v 1.2.6.2 2012/11/21 00:00:10 matt Exp $ */ + +/*- + * Copyright (c) 2012 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Matt Thomas of 3am Software Foundry. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef _ARM_AEABI_H_ +#define _ARM_AEABI_H_ + +#include <stddef.h> + +#define __value_in_regs /* nothing */ + +/* + * Standard double precision floating-point arithmetic helper functions + */ +double __aeabi_dadd(double, double); // double-precision addition +double __aeabi_ddiv(double n, double d); // double-precision division, n / d +double __aeabi_dmul(double, double); // double-precision multiplication +double __aeabi_drsub(double x, double y); // double-precision reverse subtraction, y - x +double __aeabi_dsub(double x, double y); // double-precision subtraction, x - y +double __aeabi_dneg(double); // double-precision negation (obsolete, to be removed in r2.09) + +/* + * Double precision floating-point comparison helper functions + */ +void __aeabi_cdcmpeq(double, double); // non-excepting equality comparison [1], result in PSR ZC flags +void __aeabi_cdcmple(double, double); // 3-way (<, =, >) compare [1], result in PSR ZC flags +void __aeabi_cdrcmple(double, double); // reversed 3-way (<, =, >) compare [1], result in PSR ZC flags +int __aeabi_dcmpeq(double, double); // result (1, 0) denotes (=, <>) [2], use for C == and != +int __aeabi_dcmplt(double, double); // result (1, 0) denotes (<, >=) [2], use for C < +int __aeabi_dcmple(double, double); // result (1, 0) denotes (<=, >) [2], use for C <= +int __aeabi_dcmpge(double, double); // result (1, 0) denotes (>=, <) [2], use for C >= +int __aeabi_dcmpgt(double, double); // result (1, 0) denotes (>, <=) [2], use for C > +int __aeabi_dcmpun(double, double); // result (1, 0) denotes (?, <=>) [2], use for C99 isunordered() + +/* + * Standard single precision floating-point arithmetic helper functions + */ +float __aeabi_fadd(float, float); // single-precision addition +float __aeabi_fdiv(float n, float d); // single-precision division, n / d +float __aeabi_fmul(float, float); // single-precision multiplication +float __aeabi_frsub(float x, float y); // single-precision reverse subtraction, y - x +float __aeabi_fsub(float x, float y); // single-precision subtraction, x - y +float __aeabi_fneg(float); // single-precision negation (obsolete, to be removed in r2.09) + +/* + * Standard single precision floating-point comparison helper functions + */ +void __aeabi_cfcmpeq(float, float); // non-excepting equality comparison [1], result in PSR ZC flags +void __aeabi_cfcmple(float, float); // 3-way (<, =, ?>) compare [1], result in PSR ZC flags +void __aeabi_cfrcmple(float, float); // reversed 3-way (<, =, ?>) compare [1], result in PSR ZC flags +int __aeabi_fcmpeq(float, float); // result (1, 0) denotes (=, <>) [2], use for C == and != +int __aeabi_fcmplt(float, float); // result (1, 0) denotes (<, >=) [2], use for C < +int __aeabi_fcmple(float, float); // result (1, 0) denotes (<=, >) [2], use for C <= +int __aeabi_fcmpge(float, float); // result (1, 0) denotes (>=, <) [2], use for C >= +int __aeabi_fcmpgt(float, float); // result (1, 0) denotes (>, <=) [2], use for C > +int __aeabi_fcmpun(float, float); // result (1, 0) denotes (?, <=>) [2], use for C99 isunordered() + +/* + * Standard conversions between floating types + */ +float __aeabi_d2f(double); // double to float (single precision) conversion +double __aeabi_f2d(float); // float (single precision) to double conversion +float __aeabi_h2f(short hf); // IEEE 754 binary16 storage format (VFP half precision) to binary32 (float) conversion [4, 5] +short __aeabi_f2h(float f); // IEEE 754 binary32 (float) to binary16 storage format (VFP half precision) conversion [4, 6] +float __aeabi_h2f_alt(short hf); // __aeabi_h2f_alt converts from VFP alternative format [7]. +short __aeabi_f2h_alt(float f); // __aeabi_f2h_alt converts to VFP alternative format [8]. + +/* + * Standard floating-point to integer conversions + */ +int __aeabi_d2iz(double); // double to integer C-style conversion [3] +unsigned __aeabi_d2uiz(double); // double to unsigned C-style conversion [3] +long long __aeabi_d2lz(double); // double to long long C-style conversion [3] +unsigned long long __aeabi_d2ulz(double); // double to unsigned long long C-style conversion [3] +int __aeabi_f2iz(float); // float (single precision) to integer C-style conversion [3] +unsigned __aeabi_f2uiz(float); // float (single precision) to unsigned C-style conversion [3] +long long __aeabi_f2lz(float); // float (single precision) to long long C-style conversion [3] +unsigned long long __aeabi_f2ulz(float); // float to unsigned long long C-style conversion [3] + +/* + * Standard integer to floating-point conversions + */ +double __aeabi_i2d(int); // integer to double conversion +double __aeabi_ui2d(unsigned); // unsigned to double conversion +double __aeabi_l2d(long long); // long long to double conversion +double __aeabi_ul2d(unsigned long long); // unsigned long long to double conversion +float __aeabi_i2f(int); // integer to float (single precision) conversion +float __aeabi_ui2f(unsigned); // unsigned to float (single precision) conversion +float __aeabi_l2f(long long); // long long to float (single precision) conversion +float __aeabi_ul2f(unsigned long long); // unsigned long long to float (single precision) conversion + +/* + * Long long functions + */ +long long __aeabi_lmul(long long, long long); // multiplication + +/* + * A pair of (unsigned) long longs is returned in {{r0, r1}, {r2, r3}}, + * the quotient in {r0, r1}, and the remainder in {r2, r3}. + */ +typedef struct { long long quot; long long rem; } lldiv_t; +__value_in_regs lldiv_t __aeabi_ldivmod(long long n, long long d); // signed long long division and remainder, {q, r} = n / d [2] + +typedef struct { unsigned long long quot; unsigned long long rem; } ulldiv_t; +__value_in_regs ulldiv_t __aeabi_uldivmod(unsigned long long n, unsigned long long d); // unsigned signed ll division, remainder, {q, r} = n / d [2] + +/* + * Because of 2's complement number representation, these functions work + * identically with long long replaced uniformly by unsigned long long. + * Each returns its result in {r0, r1}, as specified by the [AAPCS]. + */ +long long __aeabi_llsl(long long, int); // logical shift left [1] +long long __aeabi_llsr(long long, int); // logical shift right [1] +long long __aeabi_lasr(long long, int); // arithmetic shift right [1] + +/* + * The comparison functions return negative, zero, or a positive integer + * according to whether the comparison result is <, ==, or >, respectively + * (like strcmp). + */ +int __aeabi_lcmp(long long, long long); // signed long long comparison +int __aeabi_ulcmp(unsigned long long, unsigned long long); // unsigned long long comparison + +int __aeabi_idiv(int numerator, int denominator); +unsigned __aeabi_uidiv(unsigned numerator, unsigned denominator); +typedef struct { int quot, rem; } idiv_return; +typedef struct { unsigned int quot, rem; } uidiv_return; +__value_in_regs idiv_return __aeabi_idivmod(int, int); +__value_in_regs uidiv_return __aeabi_uidivmod(unsigned int, unsigned int); + +/* + * Division by zero + * + * If an integer or long long division helper function is called upon to + * divide by 0, it should return as quotient the value returned by a call + * to __aeabi_idiv0 or __aeabi_ldiv0, respectively. A *divmod helper should + * return as remainder either 0 or the original numerator. + */ +int __aeabi_idiv0(int); +long long __aeabi_ldiv0(long long); + +/* + * These functions read and write 4-byte and 8-byte values at arbitrarily + * aligned addresses. Write functions return the value written, + * read functions the value read. + */ +int __aeabi_uread4(void *); +int __aeabi_uwrite4(int, void *); +long long __aeabi_uread8(void *); +long long __aeabi_uwrite8(long long, void *); + +/* + * Memory copying, clearing, and setting + */ +void __aeabi_memcpy8(void *, const void *, size_t); +void __aeabi_memcpy4(void *, const void *, size_t); +void __aeabi_memcpy(void *, const void *, size_t); +void __aeabi_memmove8(void *, const void *, size_t); +void __aeabi_memmove4(void *, const void *, size_t); +void __aeabi_memmove(void *, const void *, size_t); + +/* + * Memory clearing and setting + */ +void __aeabi_memset8(void *, size_t, int); +void __aeabi_memset4(void *, size_t, int); +void __aeabi_memset(void *, size_t, int); +void __aeabi_memclr8(void *, size_t); +void __aeabi_memclr4(void *, size_t); +void __aeabi_memclr(void *, size_t); + +void *__aeabi_read_tp(void); // return the value of $tp + +#endif /* _ARM_AEABI_H_ */