Module: xenomai-3
Branch: next
Commit: 18b1af3600ddbf4b2fe66b892e09da0f783ee218
URL:
http://git.xenomai.org/?p=xenomai-3.git;a=commit;h=18b1af3600ddbf4b2fe66b892e09da0f783ee218
Author: Dmitriy Cherkasov <dmit...@mperpetuo.com>
Date: Thu May 7 16:41:09 2015 -0700
cobalt/arm64: thread.h & syscall.h: fix register references for arm64
---
kernel/cobalt/arch/arm64/include/asm/xenomai/syscall.h | 8 ++++++--
kernel/cobalt/arch/arm64/include/asm/xenomai/thread.h | 2 +-
2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/kernel/cobalt/arch/arm64/include/asm/xenomai/syscall.h
b/kernel/cobalt/arch/arm64/include/asm/xenomai/syscall.h
index f0a1090..2fdd890 100644
--- a/kernel/cobalt/arch/arm64/include/asm/xenomai/syscall.h
+++ b/kernel/cobalt/arch/arm64/include/asm/xenomai/syscall.h
@@ -28,12 +28,16 @@
#include <asm/ptrace.h>
#include <asm-generic/xenomai/syscall.h>
+#ifndef __NR_SYSCALL_BASE
+#define __NR_SYSCALL_BASE 0
+#endif
+
#ifndef __ARM_NR_ipipe
/* Legacy pipelines do not define this. */
#define __ARM_NR_ipipe (__NR_SYSCALL_BASE + XENO_ARM_SYSCALL)
#endif
-#define __xn_reg_sys(__regs) ((__regs)->ARM_ORIG_r0)
+#define __xn_reg_sys(__regs) ((__regs)->orig_x0)
/* In OABI_COMPAT mode, handle both OABI and EABI userspace syscalls */
#ifdef CONFIG_OABI_COMPAT
#define __xn_syscall_p(__regs) (((__regs)->regs[7] == __NR_OABI_SYSCALL_BASE +
XENO_ARM_SYSCALL) || \
@@ -49,7 +53,7 @@
#define __xn_reg_arg3(__regs) ((__regs)->regs[3])
#define __xn_reg_arg4(__regs) ((__regs)->regs[4])
#define __xn_reg_arg5(__regs) ((__regs)->regs[5])
-#define __xn_reg_pc(__regs) ((__regs)->ip)
+#define __xn_reg_pc(__regs) ((__regs)->pc)
#define __xn_reg_sp(__regs) ((__regs)->sp)
static inline void __xn_error_return(struct pt_regs *regs, int v)
diff --git a/kernel/cobalt/arch/arm64/include/asm/xenomai/thread.h
b/kernel/cobalt/arch/arm64/include/asm/xenomai/thread.h
index 11439a3..958f340 100644
--- a/kernel/cobalt/arch/arm64/include/asm/xenomai/thread.h
+++ b/kernel/cobalt/arch/arm64/include/asm/xenomai/thread.h
@@ -52,7 +52,7 @@ struct xnarchtcb {
#define xnarch_fault_regs(d) ((d)->regs)
#define xnarch_fault_trap(d) ((d)->exception)
#define xnarch_fault_code(d) (0)
-#define xnarch_fault_pc(d) ((d)->regs->ARM_pc - (thumb_mode((d)->regs) ? 2
: 4)) /* XXX ? */
+#define xnarch_fault_pc(d) ((d)->regs->pc - 4) /* XXX ? */
#define xnarch_fault_pf_p(d) ((d)->exception == IPIPE_TRAP_ACCESS)
#define xnarch_fault_bp_p(d) ((current->ptrace & PT_PTRACED) && \
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