From ccc2e3fe760a425f831b9e1f0e143d7d01d73a25 Mon Sep 17 00:00:00 2001 From: oharboe Date: Wed, 15 Oct 2008 11:44:36 +0000 Subject: [PATCH] Laurentiu Cocanu - memory read/write and exit() error path fixes git-svn-id: svn://svn.berlios.de/openocd/trunk@1064 b42882b7-edfa-0310-969c-e2dbd0fdcd60 --- src/flash/at91sam7.c | 6 +- src/flash/cfi.c | 345 ++++++++++++++++++++++++++++--------- src/flash/lpc2000.c | 6 +- src/flash/nand.c | 4 +- src/jtag/ft2232.c | 4 +- src/jtag/jtag.c | 7 +- src/target/arm7_9_common.c | 47 +++-- src/target/arm920t.c | 5 +- src/target/cortex_m3.c | 22 ++- src/target/embeddedice.c | 13 +- src/target/etb.c | 18 +- src/target/etm.c | 18 +- src/target/feroceon.c | 6 +- src/target/target.c | 4 +- src/target/xscale.c | 32 +++- 15 files changed, 406 insertions(+), 131 deletions(-) diff --git a/src/flash/at91sam7.c b/src/flash/at91sam7.c index 69b89c0bd..10ef55ba7 100644 --- a/src/flash/at91sam7.c +++ b/src/flash/at91sam7.c @@ -983,6 +983,7 @@ int at91sam7_protect(struct flash_bank_s *bank, int set, int first, int last) int at91sam7_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count) { + int retval; at91sam7_flash_bank_t *at91sam7_info = bank->driver_priv; target_t *target = bank->target; u32 dst_min_alignment, wcount, bytes_remaining = count; @@ -1033,7 +1034,10 @@ int at91sam7_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count) /* Write one block to the PageWriteBuffer */ buffer_pos = (pagen-first_page)*dst_min_alignment; wcount = CEIL(count,4); - target->type->write_memory(target, bank->base+pagen*dst_min_alignment, 4, wcount, buffer+buffer_pos); + if((retval = target->type->write_memory(target, bank->base+pagen*dst_min_alignment, 4, wcount, buffer+buffer_pos)) != ERROR_OK) + { + return retval; + } /* Send Write Page command to Flash Controller */ if (at91sam7_flash_command(bank, WP, pagen) != ERROR_OK) diff --git a/src/flash/cfi.c b/src/flash/cfi.c index a5f04d09d..be5bfb7d3 100644 --- a/src/flash/cfi.c +++ b/src/flash/cfi.c @@ -345,6 +345,7 @@ int cfi_spansion_wait_status_busy(flash_bank_t *bank, int timeout) int cfi_read_intel_pri_ext(flash_bank_t *bank) { + int retval; cfi_flash_bank_t *cfi_info = bank->driver_priv; cfi_intel_pri_ext_t *pri_ext = malloc(sizeof(cfi_intel_pri_ext_t)); target_t *target = bank->target; @@ -359,9 +360,15 @@ int cfi_read_intel_pri_ext(flash_bank_t *bank) if ((pri_ext->pri[0] != 'P') || (pri_ext->pri[1] != 'R') || (pri_ext->pri[2] != 'I')) { cfi_command(bank, 0xf0, command); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_command(bank, 0xff, command); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } LOG_ERROR("Could not read bank flash bank information"); return ERROR_FLASH_BANK_INVALID; } @@ -401,6 +408,7 @@ int cfi_read_intel_pri_ext(flash_bank_t *bank) int cfi_read_spansion_pri_ext(flash_bank_t *bank) { + int retval; cfi_flash_bank_t *cfi_info = bank->driver_priv; cfi_spansion_pri_ext_t *pri_ext = malloc(sizeof(cfi_spansion_pri_ext_t)); target_t *target = bank->target; @@ -415,7 +423,10 @@ int cfi_read_spansion_pri_ext(flash_bank_t *bank) if ((pri_ext->pri[0] != 'P') || (pri_ext->pri[1] != 'R') || (pri_ext->pri[2] != 'I')) { cfi_command(bank, 0xf0, command); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } LOG_ERROR("Could not read spansion bank information"); return ERROR_FLASH_BANK_INVALID; } @@ -462,6 +473,7 @@ int cfi_read_spansion_pri_ext(flash_bank_t *bank) int cfi_read_atmel_pri_ext(flash_bank_t *bank) { + int retval; cfi_atmel_pri_ext_t atmel_pri_ext; cfi_flash_bank_t *cfi_info = bank->driver_priv; cfi_spansion_pri_ext_t *pri_ext = malloc(sizeof(cfi_spansion_pri_ext_t)); @@ -484,7 +496,10 @@ int cfi_read_atmel_pri_ext(flash_bank_t *bank) if ((atmel_pri_ext.pri[0] != 'P') || (atmel_pri_ext.pri[1] != 'R') || (atmel_pri_ext.pri[2] != 'I')) { cfi_command(bank, 0xf0, command); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } LOG_ERROR("Could not read atmel bank information"); return ERROR_FLASH_BANK_INVALID; } @@ -664,6 +679,7 @@ int cfi_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char ** int cfi_intel_erase(struct flash_bank_s *bank, int first, int last) { + int retval; cfi_flash_bank_t *cfi_info = bank->driver_priv; target_t *target = bank->target; u8 command[8]; @@ -674,17 +690,26 @@ int cfi_intel_erase(struct flash_bank_s *bank, int first, int last) for (i = first; i <= last; i++) { cfi_command(bank, 0x20, command); - target->type->write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_command(bank, 0xd0, command); - target->type->write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } if (cfi_intel_wait_status_busy(bank, 1000 * (1 << cfi_info->block_erase_timeout_typ)) == 0x80) bank->sectors[i].is_erased = 1; else { cfi_command(bank, 0xff, command); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } LOG_ERROR("couldn't erase block %i of flash bank at base 0x%x", i, bank->base); return ERROR_FLASH_OPERATION_FAILED; @@ -692,13 +717,13 @@ int cfi_intel_erase(struct flash_bank_s *bank, int first, int last) } cfi_command(bank, 0xff, command); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + return target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); - return ERROR_OK; } int cfi_spansion_erase(struct flash_bank_s *bank, int first, int last) { + int retval; cfi_flash_bank_t *cfi_info = bank->driver_priv; cfi_spansion_pri_ext_t *pri_ext = cfi_info->pri_ext; target_t *target = bank->target; @@ -708,29 +733,50 @@ int cfi_spansion_erase(struct flash_bank_s *bank, int first, int last) for (i = first; i <= last; i++) { cfi_command(bank, 0xaa, command); - target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_command(bank, 0x55, command); - target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_command(bank, 0x80, command); - target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_command(bank, 0xaa, command); - target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_command(bank, 0x55, command); - target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_command(bank, 0x30, command); - target->type->write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } if (cfi_spansion_wait_status_busy(bank, 1000 * (1 << cfi_info->block_erase_timeout_typ)) == ERROR_OK) bank->sectors[i].is_erased = 1; else { cfi_command(bank, 0xf0, command); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } LOG_ERROR("couldn't erase block %i of flash bank at base 0x%x", i, bank->base); return ERROR_FLASH_OPERATION_FAILED; @@ -738,9 +784,7 @@ int cfi_spansion_erase(struct flash_bank_s *bank, int first, int last) } cfi_command(bank, 0xf0, command); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); - - return ERROR_OK; + return target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); } int cfi_erase(struct flash_bank_s *bank, int first, int last) @@ -780,6 +824,7 @@ int cfi_erase(struct flash_bank_s *bank, int first, int last) int cfi_intel_protect(struct flash_bank_s *bank, int set, int first, int last) { + int retval; cfi_flash_bank_t *cfi_info = bank->driver_priv; cfi_intel_pri_ext_t *pri_ext = cfi_info->pri_ext; target_t *target = bank->target; @@ -799,19 +844,28 @@ int cfi_intel_protect(struct flash_bank_s *bank, int set, int first, int last) { cfi_command(bank, 0x60, command); LOG_DEBUG("address: 0x%4.4x, command: 0x%4.4x", flash_address(bank, i, 0x0), target_buffer_get_u32(target, command)); - target->type->write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } if (set) { cfi_command(bank, 0x01, command); LOG_DEBUG("address: 0x%4.4x, command: 0x%4.4x", flash_address(bank, i, 0x0), target_buffer_get_u32(target, command)); - target->type->write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } bank->sectors[i].is_protected = 1; } else { cfi_command(bank, 0xd0, command); LOG_DEBUG("address: 0x%4.4x, command: 0x%4.4x", flash_address(bank, i, 0x0), target_buffer_get_u32(target, command)); - target->type->write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } bank->sectors[i].is_protected = 0; } @@ -826,14 +880,20 @@ int cfi_intel_protect(struct flash_bank_s *bank, int set, int first, int last) u8 block_status; /* read block lock bit, to verify status */ cfi_command(bank, 0x90, command); - target->type->write_memory(target, flash_address(bank, 0, 0x55), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x55), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } block_status = cfi_get_u8(bank, i, 0x2); if ((block_status & 0x1) != set) { LOG_ERROR("couldn't change block lock status (set = %i, block_status = 0x%2.2x)", set, block_status); cfi_command(bank, 0x70, command); - target->type->write_memory(target, flash_address(bank, 0, 0x55), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x55), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_intel_wait_status_busy(bank, 10); if (retry > 10) @@ -859,10 +919,16 @@ int cfi_intel_protect(struct flash_bank_s *bank, int set, int first, int last) cfi_intel_clear_status_register(bank); cfi_command(bank, 0x60, command); - target->type->write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_command(bank, 0x01, command); - target->type->write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, i, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_intel_wait_status_busy(bank, 100); } @@ -870,9 +936,7 @@ int cfi_intel_protect(struct flash_bank_s *bank, int set, int first, int last) } cfi_command(bank, 0xff, command); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); - - return ERROR_OK; + return target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); } int cfi_protect(struct flash_bank_s *bank, int set, int first, int last) @@ -1485,20 +1549,30 @@ int cfi_spansion_write_block(struct flash_bank_s *bank, u8 *buffer, u32 address, int cfi_intel_write_word(struct flash_bank_s *bank, u8 *word, u32 address) { + int retval; cfi_flash_bank_t *cfi_info = bank->driver_priv; target_t *target = bank->target; u8 command[8]; cfi_intel_clear_status_register(bank); cfi_command(bank, 0x40, command); - target->type->write_memory(target, address, bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } - target->type->write_memory(target, address, bank->bus_width, 1, word); + if((retval = target->type->write_memory(target, address, bank->bus_width, 1, word)) != ERROR_OK) + { + return retval; + } if (cfi_intel_wait_status_busy(bank, 1000 * (1 << cfi_info->word_write_timeout_max)) != 0x80) { cfi_command(bank, 0xff, command); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } LOG_ERROR("couldn't write word at base 0x%x, address %x", bank->base, address); return ERROR_FLASH_OPERATION_FAILED; @@ -1509,6 +1583,7 @@ int cfi_intel_write_word(struct flash_bank_s *bank, u8 *word, u32 address) int cfi_intel_write_words(struct flash_bank_s *bank, u8 *word, u32 wordcount, u32 address) { + int retval; cfi_flash_bank_t *cfi_info = bank->driver_priv; target_t *target = bank->target; u8 command[8]; @@ -1546,11 +1621,17 @@ int cfi_intel_write_words(struct flash_bank_s *bank, u8 *word, u32 wordcount, u3 /* Initiate buffer operation _*/ cfi_command(bank, 0xE8, command); - target->type->write_memory(target, address, bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } if (cfi_intel_wait_status_busy(bank, 1000 * (1 << cfi_info->buf_write_timeout_max)) != 0x80) { cfi_command(bank, 0xff, command); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } LOG_ERROR("couldn't start buffer write operation at base 0x%x, address %x", bank->base, address); return ERROR_FLASH_OPERATION_FAILED; @@ -1558,17 +1639,29 @@ int cfi_intel_write_words(struct flash_bank_s *bank, u8 *word, u32 wordcount, u3 /* Write buffer wordcount-1 and data words */ cfi_command(bank, bufferwsize-1, command); - target->type->write_memory(target, address, bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } - target->type->write_memory(target, address, bank->bus_width, bufferwsize, word); + if((retval = target->type->write_memory(target, address, bank->bus_width, bufferwsize, word)) != ERROR_OK) + { + return retval; + } /* Commit write operation */ cfi_command(bank, 0xd0, command); - target->type->write_memory(target, address, bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } if (cfi_intel_wait_status_busy(bank, 1000 * (1 << cfi_info->buf_write_timeout_max)) != 0x80) { cfi_command(bank, 0xff, command); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } LOG_ERROR("Buffer write at base 0x%x, address %x failed.", bank->base, address); return ERROR_FLASH_OPERATION_FAILED; @@ -1579,26 +1672,42 @@ int cfi_intel_write_words(struct flash_bank_s *bank, u8 *word, u32 wordcount, u3 int cfi_spansion_write_word(struct flash_bank_s *bank, u8 *word, u32 address) { + int retval; cfi_flash_bank_t *cfi_info = bank->driver_priv; cfi_spansion_pri_ext_t *pri_ext = cfi_info->pri_ext; target_t *target = bank->target; u8 command[8]; cfi_command(bank, 0xaa, command); - target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_command(bank, 0x55, command); - target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_command(bank, 0xa0, command); - target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } - target->type->write_memory(target, address, bank->bus_width, 1, word); + if((retval = target->type->write_memory(target, address, bank->bus_width, 1, word)) != ERROR_OK) + { + return retval; + } if (cfi_spansion_wait_status_busy(bank, 1000 * (1 << cfi_info->word_write_timeout_max)) != ERROR_OK) { cfi_command(bank, 0xf0, command); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } LOG_ERROR("couldn't write word at base 0x%x, address %x", bank->base, address); return ERROR_FLASH_OPERATION_FAILED; @@ -1609,6 +1718,7 @@ int cfi_spansion_write_word(struct flash_bank_s *bank, u8 *word, u32 address) int cfi_spansion_write_words(struct flash_bank_s *bank, u8 *word, u32 wordcount, u32 address) { + int retval; cfi_flash_bank_t *cfi_info = bank->driver_priv; target_t *target = bank->target; u8 command[8]; @@ -1644,29 +1754,50 @@ int cfi_spansion_write_words(struct flash_bank_s *bank, u8 *word, u32 wordcount, // Unlock cfi_command(bank, 0xaa, command); - target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_command(bank, 0x55, command); - target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } // Buffer load command cfi_command(bank, 0x25, command); - target->type->write_memory(target, address, bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } /* Write buffer wordcount-1 and data words */ cfi_command(bank, bufferwsize-1, command); - target->type->write_memory(target, address, bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } - target->type->write_memory(target, address, bank->bus_width, bufferwsize, word); + if((retval = target->type->write_memory(target, address, bank->bus_width, bufferwsize, word)) != ERROR_OK) + { + return retval; + } /* Commit write operation */ cfi_command(bank, 0x29, command); - target->type->write_memory(target, address, bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, address, bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } if (cfi_spansion_wait_status_busy(bank, 1000 * (1 << cfi_info->word_write_timeout_max)) != ERROR_OK) { cfi_command(bank, 0xf0, command); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } LOG_ERROR("couldn't write block at base 0x%x, address %x, size %x", bank->base, address, bufferwsize); return ERROR_FLASH_OPERATION_FAILED; @@ -1755,7 +1886,10 @@ int cfi_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count) for (i = 0; i < align; ++i, ++copy_p) { u8 byte; - target->type->read_memory(target, copy_p, 1, 1, &byte); + if((retval = target->type->read_memory(target, copy_p, 1, 1, &byte)) != ERROR_OK) + { + return retval; + } cfi_add_byte(bank, current_word, byte); } @@ -1771,7 +1905,10 @@ int cfi_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count) for (; (count == 0) && (i < bank->bus_width); ++i, ++copy_p) { u8 byte; - target->type->read_memory(target, copy_p, 1, 1, &byte); + if((retval = target->type->read_memory(target, copy_p, 1, 1, &byte)) != ERROR_OK) + { + return retval; + } cfi_add_byte(bank, current_word, byte); } @@ -1869,9 +2006,15 @@ int cfi_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count) /* return to read array mode, so we can read from flash again for padding */ cfi_command(bank, 0xf0, current_word); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, current_word); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, current_word)) != ERROR_OK) + { + return retval; + } cfi_command(bank, 0xff, current_word); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, current_word); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, current_word)) != ERROR_OK) + { + return retval; + } /* handle unaligned tail bytes */ if (count > 0) @@ -1890,7 +2033,10 @@ int cfi_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count) for (; i < bank->bus_width; ++i, ++copy_p) { u8 byte; - target->type->read_memory(target, copy_p, 1, 1, &byte); + if((retval = target->type->read_memory(target, copy_p, 1, 1, &byte)) != ERROR_OK) + { + return retval; + } cfi_add_byte(bank, current_word, byte); } retval = cfi_write_word(bank, current_word, write_p); @@ -1900,11 +2046,12 @@ int cfi_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count) /* return to read array mode */ cfi_command(bank, 0xf0, current_word); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, current_word); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, current_word)) != ERROR_OK) + { + return retval; + } cfi_command(bank, 0xff, current_word); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, current_word); - - return ERROR_OK; + return target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, current_word); } void cfi_fixup_atmel_reversed_erase_regions(flash_bank_t *bank, void *param) @@ -1979,11 +2126,20 @@ int cfi_probe(struct flash_bank_s *bank) /* switch to read identifier codes mode ("AUTOSELECT") */ cfi_command(bank, 0xaa, command); - target->type->write_memory(target, flash_address(bank, 0, unlock1), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, unlock1), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_command(bank, 0x55, command); - target->type->write_memory(target, flash_address(bank, 0, unlock2), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, unlock2), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_command(bank, 0x90, command); - target->type->write_memory(target, flash_address(bank, 0, unlock1), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, unlock1), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } if (bank->chip_width == 1) { @@ -2013,9 +2169,15 @@ int cfi_probe(struct flash_bank_s *bank) /* switch back to read array mode */ cfi_command(bank, 0xf0, command); - target->type->write_memory(target, flash_address(bank, 0, 0x00), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x00), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_command(bank, 0xff, command); - target->type->write_memory(target, flash_address(bank, 0, 0x00), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x00), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_fixup(bank, cfi_jedec_fixups); @@ -2032,7 +2194,10 @@ int cfi_probe(struct flash_bank_s *bank) * SST flashes clearly violate this, and we will consider them incompatbile for now */ cfi_command(bank, 0x98, command); - target->type->write_memory(target, flash_address(bank, 0, 0x55), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x55), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_info->qry[0] = cfi_query_u8(bank, 0, 0x10); cfi_info->qry[1] = cfi_query_u8(bank, 0, 0x11); @@ -2043,9 +2208,15 @@ int cfi_probe(struct flash_bank_s *bank) if ((cfi_info->qry[0] != 'Q') || (cfi_info->qry[1] != 'R') || (cfi_info->qry[2] != 'Y')) { cfi_command(bank, 0xf0, command); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_command(bank, 0xff, command); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } LOG_ERROR("Could not probe bank"); return ERROR_FLASH_BANK_INVALID; } @@ -2131,9 +2302,15 @@ int cfi_probe(struct flash_bank_s *bank) * we use both reset commands, as some Intel flashes fail to recognize the 0xF0 command */ cfi_command(bank, 0xf0, command); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_command(bank, 0xff, command); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } } /* apply fixups depending on the primary command set */ @@ -2205,6 +2382,7 @@ int cfi_auto_probe(struct flash_bank_s *bank) int cfi_intel_protect_check(struct flash_bank_s *bank) { + int retval; cfi_flash_bank_t *cfi_info = bank->driver_priv; cfi_intel_pri_ext_t *pri_ext = cfi_info->pri_ext; target_t *target = bank->target; @@ -2216,7 +2394,10 @@ int cfi_intel_protect_check(struct flash_bank_s *bank) return ERROR_FLASH_OPERATION_FAILED; cfi_command(bank, 0x90, command); - target->type->write_memory(target, flash_address(bank, 0, 0x55), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x55), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } for (i = 0; i < bank->num_sectors; i++) { @@ -2229,13 +2410,12 @@ int cfi_intel_protect_check(struct flash_bank_s *bank) } cfi_command(bank, 0xff, command); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); - - return ERROR_OK; + return target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); } int cfi_spansion_protect_check(struct flash_bank_s *bank) { + int retval; cfi_flash_bank_t *cfi_info = bank->driver_priv; cfi_spansion_pri_ext_t *pri_ext = cfi_info->pri_ext; target_t *target = bank->target; @@ -2243,13 +2423,22 @@ int cfi_spansion_protect_check(struct flash_bank_s *bank) int i; cfi_command(bank, 0xaa, command); - target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_command(bank, 0x55, command); - target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock2), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } cfi_command(bank, 0x90, command); - target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command); + if((retval = target->type->write_memory(target, flash_address(bank, 0, pri_ext->_unlock1), bank->bus_width, 1, command)) != ERROR_OK) + { + return retval; + } for (i = 0; i < bank->num_sectors; i++) { @@ -2262,9 +2451,7 @@ int cfi_spansion_protect_check(struct flash_bank_s *bank) } cfi_command(bank, 0xf0, command); - target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); - - return ERROR_OK; + return target->type->write_memory(target, flash_address(bank, 0, 0x0), bank->bus_width, 1, command); } int cfi_protect_check(struct flash_bank_s *bank) diff --git a/src/flash/lpc2000.c b/src/flash/lpc2000.c index f449380e0..830e380ab 100644 --- a/src/flash/lpc2000.c +++ b/src/flash/lpc2000.c @@ -241,6 +241,7 @@ int lpc2000_build_sector_list(struct flash_bank_s *bank) */ int lpc2000_iap_call(flash_bank_t *bank, int code, u32 param_table[5], u32 result_table[2]) { + int retval; lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv; target_t *target = bank->target; mem_param_t mem_params[2]; @@ -263,7 +264,10 @@ int lpc2000_iap_call(flash_bank_t *bank, int code, u32 param_table[5], u32 resul /* write IAP code to working area */ target_buffer_set_u32(target, jump_gate, ARMV4_5_BX(12)); target_buffer_set_u32(target, jump_gate + 4, ARMV4_5_B(0xfffffe, 0)); - target->type->write_memory(target, lpc2000_info->iap_working_area->address, 4, 2, jump_gate); + if((retval = target->type->write_memory(target, lpc2000_info->iap_working_area->address, 4, 2, jump_gate)) != ERROR_OK) + { + return retval; + } } armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC; diff --git a/src/flash/nand.c b/src/flash/nand.c index a2d46cfda..f55a81bb6 100644 --- a/src/flash/nand.c +++ b/src/flash/nand.c @@ -204,10 +204,10 @@ int handle_nand_device_command(struct command_context_s *cmd_ctx, char *cmd, cha if (strcmp(args[0], nand_flash_controllers[i]->name) == 0) { /* register flash specific commands */ - if (nand_flash_controllers[i]->register_commands(cmd_ctx) != ERROR_OK) + if ((retval = nand_flash_controllers[i]->register_commands(cmd_ctx)) != ERROR_OK) { LOG_ERROR("couldn't register '%s' commands", args[0]); - exit(-1); + return retval; } c = malloc(sizeof(nand_device_t)); diff --git a/src/jtag/ft2232.c b/src/jtag/ft2232.c index 6fdb546e6..6754d9aad 100644 --- a/src/jtag/ft2232.c +++ b/src/jtag/ft2232.c @@ -410,7 +410,7 @@ int ft2232_send_and_recv(jtag_command_t *first, jtag_command_t *last) if ((retval = ft2232_write(ft2232_buffer, ft2232_buffer_size, &bytes_written)) != ERROR_OK) { LOG_ERROR("couldn't write MPSSE commands to FT2232"); - exit(-1); + return retval; } #ifdef _DEBUG_USB_IO_ @@ -429,7 +429,7 @@ int ft2232_send_and_recv(jtag_command_t *first, jtag_command_t *last) if ((retval = ft2232_read(ft2232_buffer, ft2232_expect_read, &bytes_read)) != ERROR_OK) { LOG_ERROR("couldn't read from FT2232"); - exit(-1); + return retval; } #ifdef _DEBUG_USB_IO_ diff --git a/src/jtag/jtag.c b/src/jtag/jtag.c index 90d52d0f0..0af99f93c 100644 --- a/src/jtag/jtag.c +++ b/src/jtag/jtag.c @@ -1720,6 +1720,7 @@ static int default_speed_div(int speed, int *khz) int handle_interface_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc) { int i; + int retval; /* check whether the interface is already configured */ if (jtag_interface) @@ -1738,8 +1739,10 @@ int handle_interface_command(struct command_context_s *cmd_ctx, char *cmd, char { if (strcmp(args[0], jtag_interfaces[i]->name) == 0) { - if (jtag_interfaces[i]->register_commands(cmd_ctx) != ERROR_OK) - exit(-1); + if ((retval = jtag_interfaces[i]->register_commands(cmd_ctx)) != ERROR_OK) + { + return retval; + } jtag_interface = jtag_interfaces[i]; diff --git a/src/target/arm7_9_common.c b/src/target/arm7_9_common.c index 39e469819..a814d2e97 100644 --- a/src/target/arm7_9_common.c +++ b/src/target/arm7_9_common.c @@ -217,14 +217,20 @@ int arm7_9_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) { u32 verify = 0xffffffff; /* keep the original instruction in target endianness */ - target->type->read_memory(target, breakpoint->address, 4, 1, breakpoint->orig_instr); + if ((retval = target->type->read_memory(target, breakpoint->address, 4, 1, breakpoint->orig_instr)) != ERROR_OK) + { + return retval; + } /* write the breakpoint instruction in target endianness (arm7_9->arm_bkpt is host endian) */ if ((retval = target_write_u32(target, breakpoint->address, arm7_9->arm_bkpt)) != ERROR_OK) { return retval; } - target->type->read_memory(target, breakpoint->address, 4, 1, (u8 *)&verify); + if ((retval = target->type->read_memory(target, breakpoint->address, 4, 1, (u8 *)&verify)) != ERROR_OK) + { + return retval; + } if (verify != arm7_9->arm_bkpt) { LOG_ERROR("Unable to set 32 bit software breakpoint at address %08x - check that memory is read/writable", breakpoint->address); @@ -235,14 +241,20 @@ int arm7_9_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) { u16 verify = 0xffff; /* keep the original instruction in target endianness */ - target->type->read_memory(target, breakpoint->address, 2, 1, breakpoint->orig_instr); + if ((retval = target->type->read_memory(target, breakpoint->address, 2, 1, breakpoint->orig_instr)) != ERROR_OK) + { + return retval; + } /* write the breakpoint instruction in target endianness (arm7_9->thumb_bkpt is host endian) */ if ((retval = target_write_u16(target, breakpoint->address, arm7_9->thumb_bkpt)) != ERROR_OK) { return retval; } - target->type->read_memory(target, breakpoint->address, 2, 1, (u8 *)&verify); + if ((retval = target->type->read_memory(target, breakpoint->address, 2, 1, (u8 *)&verify)) != ERROR_OK) + { + return retval; + } if (verify != arm7_9->thumb_bkpt) { LOG_ERROR("Unable to set thumb software breakpoint at address %08x - check that memory is read/writable", breakpoint->address); @@ -291,17 +303,29 @@ int arm7_9_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint) { u32 current_instr; /* check that user program as not modified breakpoint instruction */ - target->type->read_memory(target, breakpoint->address, 4, 1, (u8*)¤t_instr); + if ((retval = target->type->read_memory(target, breakpoint->address, 4, 1, (u8*)¤t_instr)) != ERROR_OK) + { + return retval; + } if (current_instr==arm7_9->arm_bkpt) - target->type->write_memory(target, breakpoint->address, 4, 1, breakpoint->orig_instr); + if ((retval = target->type->write_memory(target, breakpoint->address, 4, 1, breakpoint->orig_instr)) != ERROR_OK) + { + return retval; + } } else { u16 current_instr; /* check that user program as not modified breakpoint instruction */ - target->type->read_memory(target, breakpoint->address, 2, 1, (u8*)¤t_instr); + if ((retval = target->type->read_memory(target, breakpoint->address, 2, 1, (u8*)¤t_instr)) != ERROR_OK) + { + return retval; + } if (current_instr==arm7_9->thumb_bkpt) - target->type->write_memory(target, breakpoint->address, 2, 1, breakpoint->orig_instr); + if ((retval = target->type->write_memory(target, breakpoint->address, 2, 1, breakpoint->orig_instr)) != ERROR_OK) + { + return retval; + } } breakpoint->set = 0; } @@ -2306,6 +2330,7 @@ int armv4_5_run_algorithm_inner(struct target_s *target, int num_mem_params, mem int arm7_9_bulk_write_memory(target_t *target, u32 address, u32 count, u8 *buffer) { + int retval; armv4_5_common_t *armv4_5 = target->arch_info; arm7_9_common_t *arm7_9 = armv4_5->arch_info; int i; @@ -2332,7 +2357,10 @@ int arm7_9_bulk_write_memory(target_t *target, u32 address, u32 count, u8 *buffe } /* write DCC code to working area */ - target->type->write_memory(target, arm7_9->dcc_working_area->address, 4, 6, dcc_code_buf); + if ((retval = target->type->write_memory(target, arm7_9->dcc_working_area->address, 4, 6, dcc_code_buf)) != ERROR_OK) + { + return retval; + } } armv4_5_algorithm_t armv4_5_info; @@ -2348,7 +2376,6 @@ int arm7_9_bulk_write_memory(target_t *target, u32 address, u32 count, u8 *buffe //armv4_5_run_algorithm_inner(struct target_s *target, int num_mem_params, mem_param_t *mem_params, // int num_reg_params, reg_param_t *reg_params, u32 entry_point, u32 exit_point, int timeout_ms, void *arch_info, int (*run_it)(struct target_s *target, u32 exit_point, int timeout_ms, void *arch_info)) - int retval; dcc_count=count; dcc_buffer=buffer; retval = armv4_5_run_algorithm_inner(target, 0, NULL, 1, reg_params, diff --git a/src/target/arm920t.c b/src/target/arm920t.c index b45d0f613..5f499d64d 100644 --- a/src/target/arm920t.c +++ b/src/target/arm920t.c @@ -233,6 +233,7 @@ int arm920t_write_cp15_physical(target_t *target, int reg_addr, u32 value) int arm920t_execute_cp15(target_t *target, u32 cp15_opcode, u32 arm_opcode) { + int retval; armv4_5_common_t *armv4_5 = target->arch_info; arm7_9_common_t *arm7_9 = armv4_5->arch_info; arm_jtag_t *jtag_info = &arm7_9->jtag_info; @@ -294,10 +295,10 @@ int arm920t_execute_cp15(target_t *target, u32 cp15_opcode, u32 arm_opcode) arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1); arm7_9_execute_sys_speed(target); - if (jtag_execute_queue() != ERROR_OK) + if ((retval = jtag_execute_queue()) != ERROR_OK) { LOG_ERROR("failed executing JTAG queue, exiting"); - exit(-1); + return retval; } return ERROR_OK; diff --git a/src/target/cortex_m3.c b/src/target/cortex_m3.c index 7b65c8bdf..ee9ee2577 100644 --- a/src/target/cortex_m3.c +++ b/src/target/cortex_m3.c @@ -810,6 +810,7 @@ void cortex_m3_enable_breakpoints(struct target_s *target) int cortex_m3_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) { + int retval; int fp_num=0; u32 hilo; @@ -851,8 +852,14 @@ int cortex_m3_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) { u8 code[4]; buf_set_u32(code, 0, 32, ARMV7M_T_BKPT(0x11)); - target->type->read_memory(target, breakpoint->address & 0xFFFFFFFE, breakpoint->length, 1, breakpoint->orig_instr); - target->type->write_memory(target, breakpoint->address & 0xFFFFFFFE, breakpoint->length, 1, code); + if((retval = target->type->read_memory(target, breakpoint->address & 0xFFFFFFFE, breakpoint->length, 1, breakpoint->orig_instr)) != ERROR_OK) + { + return retval; + } + if((retval = target->type->write_memory(target, breakpoint->address & 0xFFFFFFFE, breakpoint->length, 1, code)) != ERROR_OK) + { + return retval; + } breakpoint->set = 0x11; /* Any nice value but 0 */ } @@ -861,6 +868,7 @@ int cortex_m3_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) int cortex_m3_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint) { + int retval; /* get pointers to arch-specific information */ armv7m_common_t *armv7m = target->arch_info; cortex_m3_common_t *cortex_m3 = armv7m->arch_info; @@ -889,11 +897,17 @@ int cortex_m3_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint /* restore original instruction (kept in target endianness) */ if (breakpoint->length == 4) { - target->type->write_memory(target, breakpoint->address & 0xFFFFFFFE, 4, 1, breakpoint->orig_instr); + if((retval = target->type->write_memory(target, breakpoint->address & 0xFFFFFFFE, 4, 1, breakpoint->orig_instr)) != ERROR_OK) + { + return retval; + } } else { - target->type->write_memory(target, breakpoint->address & 0xFFFFFFFE, 2, 1, breakpoint->orig_instr); + if((retval = target->type->write_memory(target, breakpoint->address & 0xFFFFFFFE, 2, 1, breakpoint->orig_instr)) != ERROR_OK) + { + return retval; + } } } breakpoint->set = 0; diff --git a/src/target/embeddedice.c b/src/target/embeddedice.c index 7da32fa80..19021cab3 100644 --- a/src/target/embeddedice.c +++ b/src/target/embeddedice.c @@ -222,15 +222,17 @@ int embeddedice_setup(target_t *target) int embeddedice_get_reg(reg_t *reg) { - if (embeddedice_read_reg(reg) != ERROR_OK) + int retval; + if ((retval = embeddedice_read_reg(reg)) != ERROR_OK) { LOG_ERROR("BUG: error scheduling EmbeddedICE register read"); - exit(-1); + return retval; } - if (jtag_execute_queue() != ERROR_OK) + if ((retval = jtag_execute_queue()) != ERROR_OK) { LOG_ERROR("register read failed"); + return retval; } return ERROR_OK; @@ -381,12 +383,13 @@ void embeddedice_set_reg(reg_t *reg, u32 value) int embeddedice_set_reg_w_exec(reg_t *reg, u8 *buf) { + int retval; embeddedice_set_reg(reg, buf_get_u32(buf, 0, reg->size)); - if (jtag_execute_queue() != ERROR_OK) + if ((retval = jtag_execute_queue()) != ERROR_OK) { LOG_ERROR("register write failed"); - exit(-1); + return retval; } return ERROR_OK; } diff --git a/src/target/etb.c b/src/target/etb.c index e81049d34..5aa85a1f1 100644 --- a/src/target/etb.c +++ b/src/target/etb.c @@ -160,15 +160,17 @@ reg_cache_t* etb_build_reg_cache(etb_t *etb) int etb_get_reg(reg_t *reg) { - if (etb_read_reg(reg) != ERROR_OK) + int retval; + if ((retval = etb_read_reg(reg)) != ERROR_OK) { LOG_ERROR("BUG: error scheduling etm register read"); - exit(-1); + return retval; } - if (jtag_execute_queue() != ERROR_OK) + if ((retval = jtag_execute_queue()) != ERROR_OK) { LOG_ERROR("register read failed"); + return retval; } return ERROR_OK; @@ -311,10 +313,11 @@ int etb_read_reg(reg_t *reg) int etb_set_reg(reg_t *reg, u32 value) { - if (etb_write_reg(reg, value) != ERROR_OK) + int retval; + if ((retval = etb_write_reg(reg, value)) != ERROR_OK) { LOG_ERROR("BUG: error scheduling etm register write"); - exit(-1); + return retval; } buf_set_u32(reg->value, 0, reg->size, value); @@ -326,12 +329,13 @@ int etb_set_reg(reg_t *reg, u32 value) int etb_set_reg_w_exec(reg_t *reg, u8 *buf) { + int retval; etb_set_reg(reg, buf_get_u32(buf, 0, reg->size)); - if (jtag_execute_queue() != ERROR_OK) + if ((retval = jtag_execute_queue()) != ERROR_OK) { LOG_ERROR("register write failed"); - exit(-1); + return retval; } return ERROR_OK; } diff --git a/src/target/etm.c b/src/target/etm.c index b07f1a75a..c3750557d 100644 --- a/src/target/etm.c +++ b/src/target/etm.c @@ -311,15 +311,17 @@ int etm_setup(target_t *target) int etm_get_reg(reg_t *reg) { - if (etm_read_reg(reg) != ERROR_OK) + int retval; + if ((retval = etm_read_reg(reg)) != ERROR_OK) { LOG_ERROR("BUG: error scheduling etm register read"); - exit(-1); + return retval; } - if (jtag_execute_queue() != ERROR_OK) + if ((retval = jtag_execute_queue()) != ERROR_OK) { LOG_ERROR("register read failed"); + return retval; } return ERROR_OK; @@ -389,10 +391,11 @@ int etm_read_reg(reg_t *reg) int etm_set_reg(reg_t *reg, u32 value) { - if (etm_write_reg(reg, value) != ERROR_OK) + int retval; + if ((retval = etm_write_reg(reg, value)) != ERROR_OK) { LOG_ERROR("BUG: error scheduling etm register write"); - exit(-1); + return retval; } buf_set_u32(reg->value, 0, reg->size, value); @@ -404,12 +407,13 @@ int etm_set_reg(reg_t *reg, u32 value) int etm_set_reg_w_exec(reg_t *reg, u8 *buf) { + int retval; etm_set_reg(reg, buf_get_u32(buf, 0, reg->size)); - if (jtag_execute_queue() != ERROR_OK) + if ((retval = jtag_execute_queue()) != ERROR_OK) { LOG_ERROR("register write failed"); - exit(-1); + return retval; } return ERROR_OK; } diff --git a/src/target/feroceon.c b/src/target/feroceon.c index 7388307df..4baa20ca2 100644 --- a/src/target/feroceon.c +++ b/src/target/feroceon.c @@ -523,6 +523,7 @@ int feroceon_examine_debug_reason(target_t *target) int feroceon_bulk_write_memory(target_t *target, u32 address, u32 count, u8 *buffer) { + int retval; armv4_5_common_t *armv4_5 = target->arch_info; arm7_9_common_t *arm7_9 = armv4_5->arch_info; enum armv4_5_state core_state = armv4_5->core_state; @@ -579,7 +580,10 @@ int feroceon_bulk_write_memory(target_t *target, u32 address, u32 count, u8 *buf target_buffer_set_u32(target, dcc_code_buf + i*4, dcc_code[i]); /* write DCC code to working area */ - target->type->write_memory(target, arm7_9->dcc_working_area->address, 4, dcc_size, dcc_code_buf); + if((retval = target->type->write_memory(target, arm7_9->dcc_working_area->address, 4, dcc_size, dcc_code_buf)) != ERROR_OK) + { + return retval; + } } /* backup clobbered processor state */ diff --git a/src/target/target.c b/src/target/target.c index 5fde4f8f1..5805d0c7c 100644 --- a/src/target/target.c +++ b/src/target/target.c @@ -533,10 +533,10 @@ int target_init(struct command_context_s *cmd_ctx) target->type->examine = default_examine; } - if (target->type->init_target(cmd_ctx, target) != ERROR_OK) + if ((retval = target->type->init_target(cmd_ctx, target)) != ERROR_OK) { LOG_ERROR("target '%s' init failed", target->type->name); - exit(-1); + return retval; } /* Set up default functions if none are provided by target */ diff --git a/src/target/xscale.c b/src/target/xscale.c index 20c7f646a..9cf438919 100644 --- a/src/target/xscale.c +++ b/src/target/xscale.c @@ -2142,6 +2142,7 @@ void xscale_enable_mmu_caches(target_t *target, int mmu, int d_u_cache, int i_ca int xscale_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) { + int retval; armv4_5_common_t *armv4_5 = target->arch_info; xscale_common_t *xscale = armv4_5->arch_info; @@ -2186,16 +2187,28 @@ int xscale_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint) if (breakpoint->length == 4) { /* keep the original instruction in target endianness */ - target->type->read_memory(target, breakpoint->address, 4, 1, breakpoint->orig_instr); + if((retval = target->type->read_memory(target, breakpoint->address, 4, 1, breakpoint->orig_instr)) != ERROR_OK) + { + return retval; + } /* write the original instruction in target endianness (arm7_9->arm_bkpt is host endian) */ - target_write_u32(target, breakpoint->address, xscale->arm_bkpt); + if((retval = target_write_u32(target, breakpoint->address, xscale->arm_bkpt)) != ERROR_OK) + { + return retval; + } } else { /* keep the original instruction in target endianness */ - target->type->read_memory(target, breakpoint->address, 2, 1, breakpoint->orig_instr); + if((retval = target->type->read_memory(target, breakpoint->address, 2, 1, breakpoint->orig_instr)) != ERROR_OK) + { + return retval; + } /* write the original instruction in target endianness (arm7_9->arm_bkpt is host endian) */ - target_write_u32(target, breakpoint->address, xscale->thumb_bkpt); + if((retval = target_write_u32(target, breakpoint->address, xscale->thumb_bkpt)) != ERROR_OK) + { + return retval; + } } breakpoint->set = 1; } @@ -2242,6 +2255,7 @@ int xscale_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint) int xscale_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint) { + int retval; armv4_5_common_t *armv4_5 = target->arch_info; xscale_common_t *xscale = armv4_5->arch_info; @@ -2276,11 +2290,17 @@ int xscale_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint) /* restore original instruction (kept in target endianness) */ if (breakpoint->length == 4) { - target->type->write_memory(target, breakpoint->address, 4, 1, breakpoint->orig_instr); + if((retval = target->type->write_memory(target, breakpoint->address, 4, 1, breakpoint->orig_instr)) != ERROR_OK) + { + return retval; + } } else { - target->type->write_memory(target, breakpoint->address, 2, 1, breakpoint->orig_instr); + if((retval = target->type->write_memory(target, breakpoint->address, 2, 1, breakpoint->orig_instr)) != ERROR_OK) + { + return retval; + } } breakpoint->set = 0; }