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authorWolfgang Denk <wd@denx.de>2012-03-23 21:57:50 +0100
committerWolfgang Denk <wd@denx.de>2012-03-23 21:57:50 +0100
commit636f77a5a6cd40581a9faf16c0fa748e30c48ade (patch)
treec3e38e93fd783a4772f60b2d1d9f245df2f15ca0
parent3fa4977a9ec7a2e1c7f8c098cbd857dec13936d1 (diff)
parent1a05bb3c2804980fa4fbcd2b7a05a2203308af55 (diff)
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Merge branch 'master' of git://git.denx.de/u-boot-nds32
* 'master' of git://git.denx.de/u-boot-nds32: nds32/n1213: correct vector table in start.S nds32: fix ptrace and interrupt register overflow
-rw-r--r--arch/nds32/cpu/n1213/start.S22
-rw-r--r--arch/nds32/include/asm/ptrace.h2
-rw-r--r--arch/nds32/lib/interrupts.c2
3 files changed, 22 insertions, 4 deletions
diff --git a/arch/nds32/cpu/n1213/start.S b/arch/nds32/cpu/n1213/start.S
index 1d1fcf7..889bf8b 100644
--- a/arch/nds32/cpu/n1213/start.S
+++ b/arch/nds32/cpu/n1213/start.S
@@ -68,15 +68,17 @@ _start: j reset
j tlb_not_present
j tlb_misc
j tlb_vlpt_miss
- j cache_parity_error
+ j machine_error
j debug
j general_exception
+ j syscall
j internal_interrupt ! H0I
j internal_interrupt ! H1I
j internal_interrupt ! H2I
j internal_interrupt ! H3I
j internal_interrupt ! H4I
j internal_interrupt ! H5I
+ j software_interrupt ! S0I
.balign 16
@@ -477,7 +479,7 @@ tlb_vlpt_miss:
bal do_interruption
.align 5
-cache_parity_error:
+machine_error:
SAVE_ALL
move $r0, $sp ! To get the kernel stack
li $r1, 5 ! Determine interruption type
@@ -498,13 +500,27 @@ general_exception:
bal do_interruption
.align 5
-internal_interrupt:
+syscall:
SAVE_ALL
move $r0, $sp ! To get the kernel stack
li $r1, 8 ! Determine interruption type
bal do_interruption
.align 5
+internal_interrupt:
+ SAVE_ALL
+ move $r0, $sp ! To get the kernel stack
+ li $r1, 9 ! Determine interruption type
+ bal do_interruption
+
+ .align 5
+software_interrupt:
+ SAVE_ALL
+ move $r0, $sp ! To get the kernel stack
+ li $r1, 10 ! Determine interruption type
+ bal do_interruption
+
+ .align 5
/*
* void reset_cpu(ulong addr);
diff --git a/arch/nds32/include/asm/ptrace.h b/arch/nds32/include/asm/ptrace.h
index 4336083..ee181b2 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 974d52a..ca8c227 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",