* *
* Copyright (C) 2008 by David T.L. Wong *
* *
+ * Copyright (C) 2009 by David N. Claffey <dnclaffey@gmail.com> *
+ * *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
#include "config.h"
#endif
+#include "breakpoints.h"
#include "mips32.h"
#include "mips_m4k.h"
#include "mips32_dmaacc.h"
#include "target_type.h"
-
+#include "register.h"
/* cli handling */
/* forward declarations */
-int mips_m4k_poll(target_t *target);
-int mips_m4k_halt(struct target_s *target);
-int mips_m4k_soft_reset_halt(struct target_s *target);
-int mips_m4k_resume(struct target_s *target, int current, uint32_t address, int handle_breakpoints, int debug_execution);
-int mips_m4k_step(struct target_s *target, int current, uint32_t address, int handle_breakpoints);
-int mips_m4k_read_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
-int mips_m4k_write_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
-int mips_m4k_register_commands(struct command_context_s *cmd_ctx);
-int mips_m4k_init_target(struct command_context_s *cmd_ctx, struct target_s *target);
-int mips_m4k_target_create(struct target_s *target, Jim_Interp *interp);
-
-int mips_m4k_examine(struct target_s *target);
-int mips_m4k_assert_reset(target_t *target);
-int mips_m4k_deassert_reset(target_t *target);
-int mips_m4k_checksum_memory(target_t *target, uint32_t address, uint32_t size, uint32_t *checksum);
-
-target_type_t mips_m4k_target =
+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",
.add_watchpoint = mips_m4k_add_watchpoint,
.remove_watchpoint = mips_m4k_remove_watchpoint,
- .register_commands = mips_m4k_register_commands,
.target_create = mips_m4k_target_create,
.init_target = mips_m4k_init_target,
.examine = mips_m4k_examine,
};
-int mips_m4k_examine_debug_reason(target_t *target)
+int mips_m4k_examine_debug_reason(struct target *target)
{
uint32_t break_status;
int retval;
return ERROR_OK;
}
-int mips_m4k_debug_entry(target_t *target)
+int mips_m4k_debug_entry(struct target *target)
{
struct mips32_common *mips32 = target->arch_info;
struct mips_ejtag *ejtag_info = &mips32->ejtag_info;
return ERROR_OK;
}
-int mips_m4k_poll(target_t *target)
+int mips_m4k_poll(struct target *target)
{
int retval;
struct mips32_common *mips32 = target->arch_info;
return ERROR_OK;
}
-int mips_m4k_halt(struct target_s *target)
+int mips_m4k_halt(struct target *target)
{
struct mips32_common *mips32 = target->arch_info;
struct mips_ejtag *ejtag_info = &mips32->ejtag_info;
return ERROR_OK;
}
-int mips_m4k_assert_reset(target_t *target)
+int mips_m4k_assert_reset(struct target *target)
{
struct mips32_common *mips32 = target->arch_info;
struct mips_ejtag *ejtag_info = &mips32->ejtag_info;
target->state = TARGET_RESET;
jtag_add_sleep(50000);
- mips32_invalidate_core_regs(target);
+ register_cache_invalidate(mips32->core_cache);
if (target->reset_halt)
{
return ERROR_OK;
}
-int mips_m4k_deassert_reset(target_t *target)
+int mips_m4k_deassert_reset(struct target *target)
{
LOG_DEBUG("target->state: %s",
target_state_name(target));
return ERROR_OK;
}
-int mips_m4k_soft_reset_halt(struct target_s *target)
+int mips_m4k_soft_reset_halt(struct target *target)
{
/* TODO */
return ERROR_OK;
}
-int mips_m4k_single_step_core(target_t *target)
+int mips_m4k_single_step_core(struct target *target)
{
struct mips32_common *mips32 = target->arch_info;
struct mips_ejtag *ejtag_info = &mips32->ejtag_info;
return ERROR_OK;
}
-int mips_m4k_resume(struct target_s *target, int current, uint32_t address, int handle_breakpoints, int debug_execution)
+int mips_m4k_resume(struct target *target, int current, uint32_t address, int handle_breakpoints, int debug_execution)
{
struct mips32_common *mips32 = target->arch_info;
struct mips_ejtag *ejtag_info = &mips32->ejtag_info;
- breakpoint_t *breakpoint = NULL;
+ struct breakpoint *breakpoint = NULL;
uint32_t resume_pc;
if (target->state != TARGET_HALTED)
target->debug_reason = DBG_REASON_NOTHALTED;
/* registers are now invalid */
- mips32_invalidate_core_regs(target);
+ register_cache_invalidate(mips32->core_cache);
if (!debug_execution)
{
return ERROR_OK;
}
-int mips_m4k_step(struct target_s *target, int current, uint32_t address, int handle_breakpoints)
+int mips_m4k_step(struct target *target, int current, uint32_t address, int handle_breakpoints)
{
/* get pointers to arch-specific information */
struct mips32_common *mips32 = target->arch_info;
struct mips_ejtag *ejtag_info = &mips32->ejtag_info;
- breakpoint_t *breakpoint = NULL;
+ struct breakpoint *breakpoint = NULL;
if (target->state != TARGET_HALTED)
{
mips_ejtag_exit_debug(ejtag_info);
/* registers are now invalid */
- mips32_invalidate_core_regs(target);
+ register_cache_invalidate(mips32->core_cache);
if (breakpoint)
mips_m4k_set_breakpoint(target, breakpoint);
return ERROR_OK;
}
-void mips_m4k_enable_breakpoints(struct target_s *target)
+void mips_m4k_enable_breakpoints(struct target *target)
{
- breakpoint_t *breakpoint = target->breakpoints;
+ struct breakpoint *breakpoint = target->breakpoints;
/* set any pending breakpoints */
while (breakpoint)
}
}
-int mips_m4k_set_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
+int mips_m4k_set_breakpoint(struct target *target, struct breakpoint *breakpoint)
{
struct mips32_common *mips32 = target->arch_info;
struct mips32_comparator * comparator_list = mips32->inst_break_list;
bp_num++;
if (bp_num >= mips32->num_inst_bpoints)
{
- LOG_DEBUG("ERROR Can not find free FP Comparator(bpid: %d)",
+ LOG_ERROR("Can not find free FP Comparator(bpid: %d)",
breakpoint->unique_id );
- LOG_WARNING("ERROR Can not find free FP Comparator");
- exit(-1);
+ return ERROR_FAIL;
}
breakpoint->set = bp_num + 1;
comparator_list[bp_num].used = 1;
return ERROR_OK;
}
-int mips_m4k_unset_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
+int mips_m4k_unset_breakpoint(struct target *target, struct breakpoint *breakpoint)
{
/* get pointers to arch-specific information */
struct mips32_common *mips32 = target->arch_info;
return ERROR_OK;
}
-int mips_m4k_add_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
+int mips_m4k_add_breakpoint(struct target *target, struct breakpoint *breakpoint)
{
struct mips32_common *mips32 = target->arch_info;
return ERROR_OK;
}
-int mips_m4k_remove_breakpoint(struct target_s *target, breakpoint_t *breakpoint)
+int mips_m4k_remove_breakpoint(struct target *target, struct breakpoint *breakpoint)
{
/* get pointers to arch-specific information */
struct mips32_common *mips32 = target->arch_info;
return ERROR_OK;
}
-int mips_m4k_set_watchpoint(struct target_s *target, struct watchpoint *watchpoint)
+int mips_m4k_set_watchpoint(struct target *target, struct watchpoint *watchpoint)
{
struct mips32_common *mips32 = target->arch_info;
struct mips32_comparator * comparator_list = mips32->data_break_list;
wp_num++;
if (wp_num >= mips32->num_data_bpoints)
{
- LOG_DEBUG("ERROR Can not find free FP Comparator");
- LOG_WARNING("ERROR Can not find free FP Comparator");
- exit(-1);
+ LOG_ERROR("Can not find free FP Comparator");
+ return ERROR_FAIL;
}
if (watchpoint->length != 4)
return ERROR_OK;
}
-int mips_m4k_unset_watchpoint(struct target_s *target, struct watchpoint *watchpoint)
+int mips_m4k_unset_watchpoint(struct target *target, struct watchpoint *watchpoint)
{
/* get pointers to arch-specific information */
struct mips32_common *mips32 = target->arch_info;
return ERROR_OK;
}
-int mips_m4k_add_watchpoint(struct target_s *target, struct watchpoint *watchpoint)
+int mips_m4k_add_watchpoint(struct target *target, struct watchpoint *watchpoint)
{
struct mips32_common *mips32 = target->arch_info;
return ERROR_OK;
}
-int mips_m4k_remove_watchpoint(struct target_s *target, struct watchpoint *watchpoint)
+int mips_m4k_remove_watchpoint(struct target *target, struct watchpoint *watchpoint)
{
/* get pointers to arch-specific information */
struct mips32_common *mips32 = target->arch_info;
return ERROR_OK;
}
-void mips_m4k_enable_watchpoints(struct target_s *target)
+void mips_m4k_enable_watchpoints(struct target *target)
{
struct watchpoint *watchpoint = target->watchpoints;
}
}
-int mips_m4k_read_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
+int mips_m4k_read_memory(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer)
{
struct mips32_common *mips32 = target->arch_info;
struct mips_ejtag *ejtag_info = &mips32->ejtag_info;
return ERROR_OK;
}
-int mips_m4k_write_memory(struct target_s *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->arch_info;
struct mips_ejtag *ejtag_info = &mips32->ejtag_info;
return mips32_dmaacc_write_mem(ejtag_info, address, size, count, (void *)buffer);
}
-int mips_m4k_register_commands(struct command_context_s *cmd_ctx)
-{
- int retval;
-
- retval = mips32_register_commands(cmd_ctx);
- return retval;
-}
-
-int mips_m4k_init_target(struct command_context_s *cmd_ctx, struct target_s *target)
+int mips_m4k_init_target(struct command_context *cmd_ctx, struct target *target)
{
mips32_build_reg_cache(target);
return ERROR_OK;
}
-int mips_m4k_init_arch_info(target_t *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;
return ERROR_OK;
}
-int mips_m4k_target_create(struct target_s *target, Jim_Interp *interp)
+int mips_m4k_target_create(struct target *target, Jim_Interp *interp)
{
struct mips_m4k_common *mips_m4k = calloc(1,sizeof(struct mips_m4k_common));
return ERROR_OK;
}
-int mips_m4k_examine(struct target_s *target)
+int mips_m4k_examine(struct target *target)
{
int retval;
struct mips32_common *mips32 = target->arch_info;
return ERROR_OK;
}
-int mips_m4k_bulk_write_memory(target_t *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)
{
- return mips_m4k_write_memory(target, address, 4, count, buffer);
+ struct mips32_common *mips32 = target->arch_info;
+ struct mips_ejtag *ejtag_info = &mips32->ejtag_info;
+ struct working_area *source;
+ int retval;
+ int write = 1;
+
+ LOG_DEBUG("address: 0x%8.8x, count: 0x%8.8x", address, count);
+
+ if (target->state != TARGET_HALTED)
+ {
+ LOG_WARNING("target not halted");
+ return ERROR_TARGET_NOT_HALTED;
+ }
+
+ /* check alignment */
+ if (address & 0x3u)
+ return ERROR_TARGET_UNALIGNED_ACCESS;
+
+ /* Get memory for block write handler */
+ retval = target_alloc_working_area(target, MIPS32_FASTDATA_HANDLER_SIZE, &source);
+ if (retval != ERROR_OK)
+ {
+ LOG_WARNING("No working area available, falling back to non-bulk write");
+ return mips_m4k_write_memory(target, address, 4, count, buffer);
+ }
+
+ /* TAP data register is loaded LSB first (little endian) */
+ if (target->endianness == TARGET_BIG_ENDIAN)
+ {
+ uint32_t i, t32;
+ for(i = 0; i < (count * 4); i += 4)
+ {
+ t32 = be_to_h_u32((uint8_t *) &buffer[i]);
+ h_u32_to_le(&buffer[i], t32);
+ }
+ }
+
+ retval = mips32_pracc_fastdata_xfer(ejtag_info, source, write, address, count, (uint32_t*) buffer);
+
+ if (source)
+ target_free_working_area(target, source);
+
+ return retval;
}
-int mips_m4k_checksum_memory(target_t *target, uint32_t address, uint32_t size, uint32_t *checksum)
+int mips_m4k_checksum_memory(struct target *target, uint32_t address, uint32_t size, uint32_t *checksum)
{
return ERROR_FAIL; /* use bulk read method */
}
projects / fw / openocd / blobdiff