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cortex a8: add missing error handling for cortex_a8_dap_write/read_coreregister_u32() 

Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
This commit is contained in:
Øyvind Harboe 2010-07-18 23:10:50 +02:00
parent a2d5b0ef77
commit 8249261b88
1 changed files with 9 additions and 3 deletions
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12
src/target/cortex_a8.c
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@ -180,8 +180,12 @@ static int cortex_a8_read_regs_through_mem(struct target *target, uint32_t addre
struct armv7a_common *armv7a = target_to_armv7a(target);
struct adiv5_dap *swjdp = &armv7a->dap;
cortex_a8_dap_read_coreregister_u32(target, regfile, 0);
cortex_a8_dap_write_coreregister_u32(target, address, 0);
retval = cortex_a8_dap_read_coreregister_u32(target, regfile, 0);
if (retval != ERROR_OK)
return retval;
retval = cortex_a8_dap_write_coreregister_u32(target, address, 0);
if (retval != ERROR_OK)
return retval;
retval = cortex_a8_exec_opcode(target, ARMV4_5_STMIA(0, 0xFFFE, 0, 0), NULL);
if (retval != ERROR_OK)
return retval;
@ -965,7 +969,9 @@ static int cortex_a8_debug_entry(struct target *target)
target_free_working_area(target, regfile_working_area);
/* read Current PSR */
cortex_a8_dap_read_coreregister_u32(target, &cpsr, 16);
retval = cortex_a8_dap_read_coreregister_u32(target, &cpsr, 16);
if (retval != ERROR_OK)
return retval;
dap_ap_select(swjdp, swjdp_debugap);
LOG_DEBUG("cpsr: %8.8" PRIx32, cpsr);