diff options
Diffstat (limited to 'src/target/armv7m.c')
-rw-r--r-- | src/target/armv7m.c | 28 |
1 files changed, 22 insertions, 6 deletions
diff --git a/src/target/armv7m.c b/src/target/armv7m.c index e2f710f1..60b244aa 100644 --- a/src/target/armv7m.c +++ b/src/target/armv7m.c @@ -726,26 +726,42 @@ cleanup: return retval; } -/** Checks whether a memory region is zeroed. */ +/** Checks whether a memory region is erased. */ int armv7m_blank_check_memory(struct target *target, - uint32_t address, uint32_t count, uint32_t *blank) + uint32_t address, uint32_t count, uint32_t *blank, uint8_t erased_value) { struct working_area *erase_check_algorithm; struct reg_param reg_params[3]; struct armv7m_algorithm armv7m_info; + const uint8_t *code; + uint32_t code_size; int retval; static const uint8_t erase_check_code[] = { #include "../../contrib/loaders/erase_check/armv7m_erase_check.inc" }; + static const uint8_t zero_erase_check_code[] = { +#include "../../contrib/loaders/erase_check/armv7m_0_erase_check.inc" + }; + + switch (erased_value) { + case 0x00: + code = zero_erase_check_code; + code_size = sizeof(zero_erase_check_code); + break; + case 0xff: + default: + code = erase_check_code; + code_size = sizeof(erase_check_code); + } /* make sure we have a working area */ - if (target_alloc_working_area(target, sizeof(erase_check_code), + if (target_alloc_working_area(target, code_size, &erase_check_algorithm) != ERROR_OK) return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; retval = target_write_buffer(target, erase_check_algorithm->address, - sizeof(erase_check_code), (uint8_t *)erase_check_code); + code_size, code); if (retval != ERROR_OK) goto cleanup; @@ -759,7 +775,7 @@ int armv7m_blank_check_memory(struct target *target, buf_set_u32(reg_params[1].value, 0, 32, count); init_reg_param(®_params[2], "r2", 32, PARAM_IN_OUT); - buf_set_u32(reg_params[2].value, 0, 32, 0xff); + buf_set_u32(reg_params[2].value, 0, 32, erased_value); retval = target_run_algorithm(target, 0, @@ -767,7 +783,7 @@ int armv7m_blank_check_memory(struct target *target, 3, reg_params, erase_check_algorithm->address, - erase_check_algorithm->address + (sizeof(erase_check_code) - 2), + erase_check_algorithm->address + (code_size - 2), 10000, &armv7m_info); |