[U-Boot] [PATCH v3 06/12] avr32: use generic gd->start_addr_sp
Andreas Bießmann
andreas.devel at googlemail.com
Fri Feb 6 23:06:44 CET 2015
Before avr32 had an extra storage for stack end to have a nice stack printout
on exception. Remove this extra storage and use generic gd->start_addr_sp
instead.
Signed-off-by: Andreas Bießmann <andreas.devel at googlemail.com>
---
Changes in v3:
- new in v3
Changes in v2: None
Changes in v1: None
arch/avr32/cpu/exception.c | 6 +++---
arch/avr32/include/asm/global_data.h | 1 -
arch/avr32/lib/board.c | 2 +-
3 files changed, 4 insertions(+), 5 deletions(-)
diff --git a/arch/avr32/cpu/exception.c b/arch/avr32/cpu/exception.c
index 5d1bc68..d6991f6 100644
--- a/arch/avr32/cpu/exception.c
+++ b/arch/avr32/cpu/exception.c
@@ -96,11 +96,11 @@ void do_unknown_exception(unsigned int ecr, struct pt_regs *regs)
printf("CPU Mode: %s\n", cpu_modes[mode]);
/* Avoid exception loops */
- if (regs->sp < (gd->arch.stack_end - CONFIG_STACKSIZE)
- || regs->sp >= gd->arch.stack_end)
+ if (regs->sp < (gd->start_addr_sp - CONFIG_STACKSIZE) ||
+ regs->sp >= gd->start_addr_sp)
printf("\nStack pointer seems bogus, won't do stack dump\n");
else
- dump_mem("\nStack: ", regs->sp, gd->arch.stack_end);
+ dump_mem("\nStack: ", regs->sp, gd->start_addr_sp);
panic("Unhandled exception\n");
}
diff --git a/arch/avr32/include/asm/global_data.h b/arch/avr32/include/asm/global_data.h
index d82fb7c..60abd00 100644
--- a/arch/avr32/include/asm/global_data.h
+++ b/arch/avr32/include/asm/global_data.h
@@ -8,7 +8,6 @@
/* Architecture-specific global data */
struct arch_global_data {
- unsigned long stack_end; /* highest stack address */
unsigned long cpu_hz; /* cpu core clock frequency */
};
diff --git a/arch/avr32/lib/board.c b/arch/avr32/lib/board.c
index 13b7fed..99aa96e 100644
--- a/arch/avr32/lib/board.c
+++ b/arch/avr32/lib/board.c
@@ -157,7 +157,7 @@ void board_init_f(ulong board_type)
/* And finally, a new, bigger stack. */
new_sp = (unsigned long *)addr;
- gd->arch.stack_end = addr;
+ gd->start_addr_sp = addr;
*(--new_sp) = 0;
*(--new_sp) = 0;
--
1.7.10.4
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