diff options
Diffstat (limited to 'src/target/arm7_9_common.c')
| -rw-r--r-- | src/target/arm7_9_common.c | 150 |
1 files changed, 0 insertions, 150 deletions
diff --git a/src/target/arm7_9_common.c b/src/target/arm7_9_common.c index 115a1d6..c35c825 100644 --- a/src/target/arm7_9_common.c +++ b/src/target/arm7_9_common.c @@ -2706,156 +2706,6 @@ int arm7_9_bulk_write_memory(struct target *target, uint32_t address, uint32_t c return retval; } -int arm7_9_checksum_memory(struct target *target, uint32_t address, uint32_t count, uint32_t* checksum) -{ - struct working_area *crc_algorithm; - struct armv4_5_algorithm armv4_5_info; - struct reg_param reg_params[2]; - int retval; - - static const uint32_t arm7_9_crc_code[] = { - 0xE1A02000, /* mov r2, r0 */ - 0xE3E00000, /* mov r0, #0xffffffff */ - 0xE1A03001, /* mov r3, r1 */ - 0xE3A04000, /* mov r4, #0 */ - 0xEA00000B, /* b ncomp */ - /* nbyte: */ - 0xE7D21004, /* ldrb r1, [r2, r4] */ - 0xE59F7030, /* ldr r7, CRC32XOR */ - 0xE0200C01, /* eor r0, r0, r1, asl 24 */ - 0xE3A05000, /* mov r5, #0 */ - /* loop: */ - 0xE3500000, /* cmp r0, #0 */ - 0xE1A06080, /* mov r6, r0, asl #1 */ - 0xE2855001, /* add r5, r5, #1 */ - 0xE1A00006, /* mov r0, r6 */ - 0xB0260007, /* eorlt r0, r6, r7 */ - 0xE3550008, /* cmp r5, #8 */ - 0x1AFFFFF8, /* bne loop */ - 0xE2844001, /* add r4, r4, #1 */ - /* ncomp: */ - 0xE1540003, /* cmp r4, r3 */ - 0x1AFFFFF1, /* bne nbyte */ - /* end: */ - 0xEAFFFFFE, /* b end */ - 0x04C11DB7 /* CRC32XOR: .word 0x04C11DB7 */ - }; - - uint32_t i; - - if (target_alloc_working_area(target, sizeof(arm7_9_crc_code), &crc_algorithm) != ERROR_OK) - { - return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; - } - - /* convert flash writing code into a buffer in target endianness */ - for (i = 0; i < (sizeof(arm7_9_crc_code)/sizeof(uint32_t)); i++) - { - if ((retval = target_write_u32(target, crc_algorithm->address + i*sizeof(uint32_t), arm7_9_crc_code[i])) != ERROR_OK) - { - return retval; - } - } - - armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC; - armv4_5_info.core_mode = ARMV4_5_MODE_SVC; - armv4_5_info.core_state = ARMV4_5_STATE_ARM; - - init_reg_param(®_params[0], "r0", 32, PARAM_IN_OUT); - init_reg_param(®_params[1], "r1", 32, PARAM_OUT); - - buf_set_u32(reg_params[0].value, 0, 32, address); - buf_set_u32(reg_params[1].value, 0, 32, count); - - /* 20 second timeout/megabyte */ - int timeout = 20000 * (1 + (count / (1024*1024))); - - if ((retval = target_run_algorithm(target, 0, NULL, 2, reg_params, - crc_algorithm->address, crc_algorithm->address + (sizeof(arm7_9_crc_code) - 8), timeout, &armv4_5_info)) != ERROR_OK) - { - LOG_ERROR("error executing arm7_9 crc algorithm"); - destroy_reg_param(®_params[0]); - destroy_reg_param(®_params[1]); - target_free_working_area(target, crc_algorithm); - return retval; - } - - *checksum = buf_get_u32(reg_params[0].value, 0, 32); - - destroy_reg_param(®_params[0]); - destroy_reg_param(®_params[1]); - - target_free_working_area(target, crc_algorithm); - - return ERROR_OK; -} - -int arm7_9_blank_check_memory(struct target *target, uint32_t address, uint32_t count, uint32_t* blank) -{ - struct working_area *erase_check_algorithm; - struct reg_param reg_params[3]; - struct armv4_5_algorithm armv4_5_info; - int retval; - uint32_t i; - - static const uint32_t erase_check_code[] = - { - /* loop: */ - 0xe4d03001, /* ldrb r3, [r0], #1 */ - 0xe0022003, /* and r2, r2, r3 */ - 0xe2511001, /* subs r1, r1, #1 */ - 0x1afffffb, /* bne loop */ - /* end: */ - 0xeafffffe /* b end */ - }; - - /* make sure we have a working area */ - if (target_alloc_working_area(target, sizeof(erase_check_code), &erase_check_algorithm) != ERROR_OK) - { - return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; - } - - /* convert flash writing code into a buffer in target endianness */ - for (i = 0; i < (sizeof(erase_check_code)/sizeof(uint32_t)); i++) - if ((retval = target_write_u32(target, erase_check_algorithm->address + i*sizeof(uint32_t), erase_check_code[i])) != ERROR_OK) - { - return retval; - } - - armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC; - armv4_5_info.core_mode = ARMV4_5_MODE_SVC; - armv4_5_info.core_state = ARMV4_5_STATE_ARM; - - init_reg_param(®_params[0], "r0", 32, PARAM_OUT); - buf_set_u32(reg_params[0].value, 0, 32, address); - - init_reg_param(®_params[1], "r1", 32, PARAM_OUT); - 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); - - if ((retval = target_run_algorithm(target, 0, NULL, 3, reg_params, - erase_check_algorithm->address, erase_check_algorithm->address + (sizeof(erase_check_code) - 4), 10000, &armv4_5_info)) != ERROR_OK) - { - destroy_reg_param(®_params[0]); - destroy_reg_param(®_params[1]); - destroy_reg_param(®_params[2]); - target_free_working_area(target, erase_check_algorithm); - return 0; - } - - *blank = buf_get_u32(reg_params[2].value, 0, 32); - - destroy_reg_param(®_params[0]); - destroy_reg_param(®_params[1]); - destroy_reg_param(®_params[2]); - - target_free_working_area(target, erase_check_algorithm); - - return ERROR_OK; -} - /** * Perform per-target setup that requires JTAG access. */ |