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author | Spencer Oliver <ntfreak@users.sourceforge.net> | 2010-01-13 10:12:34 +0000 |
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committer | Spencer Oliver <ntfreak@users.sourceforge.net> | 2010-02-28 22:26:53 +0000 |
commit | b8d8953ae9995829a61ce7b34e544f004bb23c55 (patch) | |
tree | a49edb41880e6cfc308e428a781f7773373a581e /src/target/mips_m4k.c | |
parent | a851ce0d6f2b961f94e09746304e0fb0dad6a15f (diff) | |
download | riscv-openocd-b8d8953ae9995829a61ce7b34e544f004bb23c55.zip riscv-openocd-b8d8953ae9995829a61ce7b34e544f004bb23c55.tar.gz riscv-openocd-b8d8953ae9995829a61ce7b34e544f004bb23c55.tar.bz2 |
MIPS: add mips algorithm support
- add mips support for target algorithms.
- added handlers for target_checksum_memory and target_blank_check_memory.
- clean up long lines
Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
Diffstat (limited to 'src/target/mips_m4k.c')
-rw-r--r-- | src/target/mips_m4k.c | 146 |
1 files changed, 68 insertions, 78 deletions
diff --git a/src/target/mips_m4k.c b/src/target/mips_m4k.c index 5f5aa72..f581ddf 100644 --- a/src/target/mips_m4k.c +++ b/src/target/mips_m4k.c @@ -32,61 +32,6 @@ #include "target_type.h" #include "register.h" -/* cli handling */ - -/* forward declarations */ -int mips_m4k_poll(struct target *target); -int mips_m4k_halt(struct target *target); -int mips_m4k_soft_reset_halt(struct target *target); -int mips_m4k_resume(struct target *target, int current, uint32_t address, int handle_breakpoints, int debug_execution); -int mips_m4k_step(struct target *target, int current, uint32_t address, int handle_breakpoints); -int mips_m4k_read_memory(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer); -int mips_m4k_write_memory(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer); -int mips_m4k_init_target(struct command_context *cmd_ctx, struct target *target); -int mips_m4k_target_create(struct target *target, Jim_Interp *interp); - -int mips_m4k_examine(struct target *target); -int mips_m4k_assert_reset(struct target *target); -int mips_m4k_deassert_reset(struct target *target); -int mips_m4k_checksum_memory(struct target *target, uint32_t address, uint32_t size, uint32_t *checksum); - -struct target_type mips_m4k_target = -{ - .name = "mips_m4k", - - .poll = mips_m4k_poll, - .arch_state = mips32_arch_state, - - .target_request_data = NULL, - - .halt = mips_m4k_halt, - .resume = mips_m4k_resume, - .step = mips_m4k_step, - - .assert_reset = mips_m4k_assert_reset, - .deassert_reset = mips_m4k_deassert_reset, - .soft_reset_halt = mips_m4k_soft_reset_halt, - - .get_gdb_reg_list = mips32_get_gdb_reg_list, - - .read_memory = mips_m4k_read_memory, - .write_memory = mips_m4k_write_memory, - .bulk_write_memory = mips_m4k_bulk_write_memory, - .checksum_memory = mips_m4k_checksum_memory, - .blank_check_memory = NULL, - - .run_algorithm = mips32_run_algorithm, - - .add_breakpoint = mips_m4k_add_breakpoint, - .remove_breakpoint = mips_m4k_remove_breakpoint, - .add_watchpoint = mips_m4k_add_watchpoint, - .remove_watchpoint = mips_m4k_remove_watchpoint, - - .target_create = mips_m4k_target_create, - .init_target = mips_m4k_init_target, - .examine = mips_m4k_examine, -}; - int mips_m4k_examine_debug_reason(struct target *target) { uint32_t break_status; @@ -148,13 +93,8 @@ int mips_m4k_debug_entry(struct target *target) /* default to mips32 isa, it will be changed below if required */ mips32->isa_mode = MIPS32_ISA_MIPS32; - if (ejtag_info->impcode & EJTAG_IMP_MIPS16) - { - if (buf_get_u32(mips32->core_cache->reg_list[MIPS32_PC].value, 0, 32) & 0x01) - { - /* core is running mips16e isa */ - mips32->isa_mode = MIPS32_ISA_MIPS16E; - } + if (ejtag_info->impcode & EJTAG_IMP_MIPS16) { + mips32->isa_mode = buf_get_u32(mips32->core_cache->reg_list[MIPS32_PC].value, 0, 1); } LOG_DEBUG("entered debug state at PC 0x%" PRIx32 ", target->state: %s", @@ -396,6 +336,10 @@ int mips_m4k_resume(struct target *target, int current, uint32_t address, int ha mips32->core_cache->reg_list[MIPS32_PC].valid = 1; } + if (ejtag_info->impcode & EJTAG_IMP_MIPS16) { + buf_set_u32(mips32->core_cache->reg_list[MIPS32_PC].value, 0, 1, mips32->isa_mode); + } + resume_pc = buf_get_u32(mips32->core_cache->reg_list[MIPS32_PC].value, 0, 32); mips32_restore_context(target); @@ -457,9 +401,12 @@ int mips_m4k_step(struct target *target, int current, uint32_t address, int hand buf_set_u32(mips32->core_cache->reg_list[MIPS32_PC].value, 0, 32, address); /* the front-end may request us not to handle breakpoints */ - if (handle_breakpoints) - if ((breakpoint = breakpoint_find(target, buf_get_u32(mips32->core_cache->reg_list[MIPS32_PC].value, 0, 32)))) + if (handle_breakpoints) { + breakpoint = breakpoint_find(target, + buf_get_u32(mips32->core_cache->reg_list[MIPS32_PC].value, 0, 32)); + if (breakpoint) mips_m4k_unset_breakpoint(target, breakpoint); + } /* restore context */ mips32_restore_context(target); @@ -545,7 +492,8 @@ int mips_m4k_set_breakpoint(struct target *target, struct breakpoint *breakpoint { uint32_t verify = 0xffffffff; - if ((retval = target_read_memory(target, breakpoint->address, breakpoint->length, 1, breakpoint->orig_instr)) != ERROR_OK) + if ((retval = target_read_memory(target, breakpoint->address, breakpoint->length, 1, + breakpoint->orig_instr)) != ERROR_OK) { return retval; } @@ -568,7 +516,8 @@ int mips_m4k_set_breakpoint(struct target *target, struct breakpoint *breakpoint { uint16_t verify = 0xffff; - if ((retval = target_read_memory(target, breakpoint->address, breakpoint->length, 1, breakpoint->orig_instr)) != ERROR_OK) + if ((retval = target_read_memory(target, breakpoint->address, breakpoint->length, 1, + breakpoint->orig_instr)) != ERROR_OK) { return retval; } @@ -633,13 +582,15 @@ int mips_m4k_unset_breakpoint(struct target *target, struct breakpoint *breakpoi uint32_t current_instr; /* check that user program has not modified breakpoint instruction */ - if ((retval = target_read_memory(target, breakpoint->address, 4, 1, (uint8_t*)¤t_instr)) != ERROR_OK) + if ((retval = target_read_memory(target, breakpoint->address, 4, 1, + (uint8_t*)¤t_instr)) != ERROR_OK) { return retval; } if (current_instr == MIPS32_SDBBP) { - if ((retval = target_write_memory(target, breakpoint->address, 4, 1, breakpoint->orig_instr)) != ERROR_OK) + if ((retval = target_write_memory(target, breakpoint->address, 4, 1, + breakpoint->orig_instr)) != ERROR_OK) { return retval; } @@ -650,14 +601,16 @@ int mips_m4k_unset_breakpoint(struct target *target, struct breakpoint *breakpoi uint16_t current_instr; /* check that user program has not modified breakpoint instruction */ - if ((retval = target_read_memory(target, breakpoint->address, 2, 1, (uint8_t*)¤t_instr)) != ERROR_OK) + if ((retval = target_read_memory(target, breakpoint->address, 2, 1, + (uint8_t*)¤t_instr)) != ERROR_OK) { return retval; } if (current_instr == MIPS16_SDBBP) { - if ((retval = target_write_memory(target, breakpoint->address, 2, 1, breakpoint->orig_instr)) != ERROR_OK) + if ((retval = target_write_memory(target, breakpoint->address, 2, 1, + breakpoint->orig_instr)) != ERROR_OK) { return retval; } @@ -886,12 +839,14 @@ int mips_m4k_read_memory(struct target *target, uint32_t address, uint32_t size, return ERROR_OK; } -int mips_m4k_write_memory(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer) +int mips_m4k_write_memory(struct target *target, uint32_t address, uint32_t size, + uint32_t count, uint8_t *buffer) { struct mips32_common *mips32 = target_to_mips32(target); struct mips_ejtag *ejtag_info = &mips32->ejtag_info; - LOG_DEBUG("address: 0x%8.8" PRIx32 ", size: 0x%8.8" PRIx32 ", count: 0x%8.8" PRIx32 "", address, size, count); + LOG_DEBUG("address: 0x%8.8" PRIx32 ", size: 0x%8.8" PRIx32 ", count: 0x%8.8" PRIx32 "", + address, size, count); if (target->state != TARGET_HALTED) { @@ -920,7 +875,8 @@ int mips_m4k_init_target(struct command_context *cmd_ctx, struct target *target) return ERROR_OK; } -int mips_m4k_init_arch_info(struct target *target, struct mips_m4k_common *mips_m4k, struct jtag_tap *tap) +int mips_m4k_init_arch_info(struct target *target, struct mips_m4k_common *mips_m4k, + struct jtag_tap *tap) { struct mips32_common *mips32 = &mips_m4k->mips32_common; @@ -973,7 +929,8 @@ int mips_m4k_examine(struct target *target) return ERROR_OK; } -int mips_m4k_bulk_write_memory(struct target *target, uint32_t address, uint32_t count, uint8_t *buffer) +int mips_m4k_bulk_write_memory(struct target *target, uint32_t address, + uint32_t count, uint8_t *buffer) { struct mips32_common *mips32 = target_to_mips32(target); struct mips_ejtag *ejtag_info = &mips32->ejtag_info; @@ -1012,7 +969,8 @@ int mips_m4k_bulk_write_memory(struct target *target, uint32_t address, uint32_t } } - retval = mips32_pracc_fastdata_xfer(ejtag_info, source, write, address, count, (uint32_t*) buffer); + retval = mips32_pracc_fastdata_xfer(ejtag_info, source, write, address, + count, (uint32_t*) buffer); if (retval != ERROR_OK) { /* FASTDATA access failed, try normal memory write */ @@ -1026,7 +984,39 @@ int mips_m4k_bulk_write_memory(struct target *target, uint32_t address, uint32_t return retval; } -int mips_m4k_checksum_memory(struct target *target, uint32_t address, uint32_t size, uint32_t *checksum) +struct target_type mips_m4k_target = { - return ERROR_FAIL; /* use bulk read method */ -} + .name = "mips_m4k", + + .poll = mips_m4k_poll, + .arch_state = mips32_arch_state, + + .target_request_data = NULL, + + .halt = mips_m4k_halt, + .resume = mips_m4k_resume, + .step = mips_m4k_step, + + .assert_reset = mips_m4k_assert_reset, + .deassert_reset = mips_m4k_deassert_reset, + .soft_reset_halt = mips_m4k_soft_reset_halt, + + .get_gdb_reg_list = mips32_get_gdb_reg_list, + + .read_memory = mips_m4k_read_memory, + .write_memory = mips_m4k_write_memory, + .bulk_write_memory = mips_m4k_bulk_write_memory, + .checksum_memory = mips32_checksum_memory, + .blank_check_memory = mips32_blank_check_memory, + + .run_algorithm = mips32_run_algorithm, + + .add_breakpoint = mips_m4k_add_breakpoint, + .remove_breakpoint = mips_m4k_remove_breakpoint, + .add_watchpoint = mips_m4k_add_watchpoint, + .remove_watchpoint = mips_m4k_remove_watchpoint, + + .target_create = mips_m4k_target_create, + .init_target = mips_m4k_init_target, + .examine = mips_m4k_examine, +}; 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