* [U-Boot] [PATCH 1/2] nds32: fix ptrace and interrupt register overflow
@ 2012-03-11 8:56 Macpaul Lin
2012-03-11 8:56 ` [U-Boot] [PATCH 2/2] nds32/n1213: correct vector table in start.S Macpaul Lin
` (2 more replies)
0 siblings, 3 replies; 6+ messages in thread
From: Macpaul Lin @ 2012-03-11 8:56 UTC (permalink / raw)
To: u-boot
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 deletions(-)
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",
--
1.7.5.4
^ permalink raw reply related [flat|nested] 6+ messages in thread* [U-Boot] [PATCH 2/2] nds32/n1213: correct vector table in start.S
2012-03-11 8:56 [U-Boot] [PATCH 1/2] nds32: fix ptrace and interrupt register overflow Macpaul Lin
@ 2012-03-11 8:56 ` Macpaul Lin
2012-03-11 9:03 ` [U-Boot] [PATCH v2 1/2] nds32: fix ptrace and interrupt register overflow Macpaul Lin
2012-03-19 7:54 ` [U-Boot] [PATCH 1/2] nds32: fix ptrace and interrupt register overflow Macpaul Lin
2 siblings, 0 replies; 6+ messages in thread
From: Macpaul Lin @ 2012-03-11 8:56 UTC (permalink / raw)
To: u-boot
Correct definition of vector table in start.S
Signed-off-by: Macpaul Lin <macpaul@gmail.com>
---
arch/nds32/cpu/n1213/start.S | 22 +++++++++++++++++++---
1 files changed, 19 insertions(+), 3 deletions(-)
diff --git a/arch/nds32/cpu/n1213/start.S b/arch/nds32/cpu/n1213/start.S
index 1d1fcf7..518628a 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);
--
1.7.5.4
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [U-Boot] [PATCH v2 1/2] nds32: fix ptrace and interrupt register overflow
2012-03-11 8:56 [U-Boot] [PATCH 1/2] nds32: fix ptrace and interrupt register overflow Macpaul Lin
2012-03-11 8:56 ` [U-Boot] [PATCH 2/2] nds32/n1213: correct vector table in start.S Macpaul Lin
@ 2012-03-11 9:03 ` Macpaul Lin
2012-03-11 9:03 ` [U-Boot] [PATCH v2 2/2] nds32/n1213: correct vector table in start.S Macpaul Lin
2012-03-19 7:54 ` [U-Boot] [PATCH 1/2] nds32: fix ptrace and interrupt register overflow Macpaul Lin
2 siblings, 1 reply; 6+ messages in thread
From: Macpaul Lin @ 2012-03-11 9:03 UTC (permalink / raw)
To: u-boot
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>
---
Change for V2:
- no change.
arch/nds32/include/asm/ptrace.h | 2 ++
arch/nds32/lib/interrupts.c | 2 +-
2 files changed, 3 insertions(+), 1 deletions(-)
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",
--
1.7.5.4
^ permalink raw reply related [flat|nested] 6+ messages in thread* [U-Boot] [PATCH v2 2/2] nds32/n1213: correct vector table in start.S
2012-03-11 9:03 ` [U-Boot] [PATCH v2 1/2] nds32: fix ptrace and interrupt register overflow Macpaul Lin
@ 2012-03-11 9:03 ` Macpaul Lin
2012-03-19 7:55 ` Macpaul Lin
0 siblings, 1 reply; 6+ messages in thread
From: Macpaul Lin @ 2012-03-11 9:03 UTC (permalink / raw)
To: u-boot
Correct definition of vector table in start.S
Signed-off-by: Macpaul Lin <macpaul@gmail.com>
---
Changes for v2:
- fix symbol declaration error in start.S
arch/nds32/cpu/n1213/start.S | 22 +++++++++++++++++++---
1 files changed, 19 insertions(+), 3 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);
--
1.7.5.4
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [U-Boot] [PATCH 1/2] nds32: fix ptrace and interrupt register overflow
2012-03-11 8:56 [U-Boot] [PATCH 1/2] nds32: fix ptrace and interrupt register overflow Macpaul Lin
2012-03-11 8:56 ` [U-Boot] [PATCH 2/2] nds32/n1213: correct vector table in start.S Macpaul Lin
2012-03-11 9:03 ` [U-Boot] [PATCH v2 1/2] nds32: fix ptrace and interrupt register overflow Macpaul Lin
@ 2012-03-19 7:54 ` Macpaul Lin
2 siblings, 0 replies; 6+ messages in thread
From: Macpaul Lin @ 2012-03-19 7:54 UTC (permalink / raw)
To: u-boot
Hi Macpaul,
2012/3/11 Macpaul Lin <macpaul@gmail.com>
> 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>
>
Applied to u-boot-nds32/master
Thanks.
--
Best regards,
Macpaul Lin
^ permalink raw reply [flat|nested] 6+ messages in thread
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2012-03-11 8:56 ` [U-Boot] [PATCH 2/2] nds32/n1213: correct vector table in start.S Macpaul Lin
2012-03-11 9:03 ` [U-Boot] [PATCH v2 1/2] nds32: fix ptrace and interrupt register overflow Macpaul Lin
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2012-03-19 7:55 ` Macpaul Lin
2012-03-19 7:54 ` [U-Boot] [PATCH 1/2] nds32: fix ptrace and interrupt register overflow Macpaul Lin
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