From b0c4fae44a549074e08d7f81779c7f3d9dcb1eb2 Mon Sep 17 00:00:00 2001
From: Macpaul Lin <macpaul@gmail.com>
Date: Sun, 11 Mar 2012 16:30:18 +0800
Subject: [PATCH] nds32: fix ptrace and interrupt register overflow
Fix ptrace and interrupt register overflow warning.
Add missing P0 and P1 (r26 and r27) into register lists.
These register are usually used in OS.
Signed-off-by: Macpaul Lin <macpaul@gmail.com>
---
arch/nds32/include/asm/ptrace.h | 2 ++
arch/nds32/lib/interrupts.c | 2 +-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/nds32/include/asm/ptrace.h b/arch/nds32/include/asm/ptrace.h
index 4336083ea8..ee181b2671 100644
--- a/arch/nds32/include/asm/ptrace.h
+++ b/arch/nds32/include/asm/ptrace.h
@@ -38,6 +38,8 @@ struct pt_regs {
NDS32_REG d1hi;
NDS32_REG d1lo;
NDS32_REG r[26]; /* r0 - r25 */
+ NDS32_REG p0; /* r26 - used by OS */
+ NDS32_REG p1; /* r27 - used by OS */
NDS32_REG fp; /* r28 */
NDS32_REG gp; /* r29 */
NDS32_REG lp; /* r30 */
diff --git a/arch/nds32/lib/interrupts.c b/arch/nds32/lib/interrupts.c
index 974d52a1a1..ca8c227b05 100644
--- a/arch/nds32/lib/interrupts.c
+++ b/arch/nds32/lib/interrupts.c
@@ -91,7 +91,7 @@ void show_regs(struct pt_regs *regs)
printf("D1H: %08lx D1L: %08lx D0H: %08lx D0L: %08lx\n",
regs->d1hi, regs->d1lo, regs->d0hi, regs->d0lo);
printf("r27: %08lx r26: %08lx r25: %08lx r24: %08lx\n",
- regs->r[27], regs->r[26], regs->r[25], regs->r[24]);
+ regs->p1, regs->p0, regs->r[25], regs->r[24]);
printf("r23: %08lx r22: %08lx r21: %08lx r20: %08lx\n",
regs->r[23], regs->r[22], regs->r[21], regs->r[20]);
printf("r19: %08lx r18: %08lx r17: %08lx r16: %08lx\n",
--
2.39.5