From: Tonny Tzeng <tonny.tzeng@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2 4/4] [ARM] Add KGDB support for ARM platforms
Date: Sun, 18 Apr 2010 02:18:15 +0800 [thread overview]
Message-ID: <1271528295.17655.90.camel@localhost.localdomain> (raw)
In-Reply-To: <1271528127.17655.86.camel@localhost.localdomain>
Signed-off-by: Tonny Tzeng <tonny.tzeng@gmail.com>
---
arch/arm/cpu/arm720t/start.S | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/arch/arm/cpu/arm720t/start.S b/arch/arm/cpu/arm720t/start.S
index 90b7240..fd06298 100644
--- a/arch/arm/cpu/arm720t/start.S
+++ b/arch/arm/cpu/arm720t/start.S
@@ -459,6 +459,12 @@ lock_loop:
mov r0, sp
.endm
+ .macro bad_restore_user_regs
+ ldr lr, [sp, #S_PSR] @ Get SVC cpsr
+ msr spsr_cxsf, lr
+ ldmia sp, {r0 - pc}^ @ Restore SVC registers
+ .endm
+
.macro irq_save_user_regs
sub sp, sp, #S_FRAME_SIZE
stmia sp, {r0 - r12} @ Calling r0-r12
@@ -510,6 +516,7 @@ undefined_instruction:
get_bad_stack
bad_save_user_regs
bl do_undefined_instruction
+ bad_restore_user_regs
.align 5
software_interrupt:
--
1.6.0.6
next prev parent reply other threads:[~2010-04-17 18:18 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-17 17:20 [U-Boot] [PATCH] KGDB set / remove breakpoints Tonny Tzeng
2010-04-17 17:46 ` Mike Frysinger
2010-04-19 8:54 ` Tonny Tzeng
2010-04-20 6:15 ` Mike Frysinger
2010-04-17 18:10 ` [U-Boot] [PATCH v2 0/4] [ARM] Add KGDB support for ARM platforms Tonny Tzeng
2010-04-17 18:12 ` [U-Boot] [PATCH v2 1/4] " Tonny Tzeng
2010-04-17 18:15 ` [U-Boot] [PATCH v2 2/4] " Tonny Tzeng
2010-04-17 18:16 ` [U-Boot] [PATCH v2 3/4] " Tonny Tzeng
2010-04-17 18:18 ` Tonny Tzeng [this message]
2010-04-20 6:17 ` [U-Boot] [PATCH v2 0/4] " Mike Frysinger
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