#endif
#include "arm9tdmi.h"
-
-#include "arm7_9_common.h"
+#include "target_type.h"
#include "register.h"
-#include "target.h"
-#include "armv4_5.h"
-#include "embeddedice.h"
-#include "etm.h"
-#include "etb.h"
-#include "log.h"
-#include "jtag.h"
-#include "arm_jtag.h"
-
-#include <stdlib.h>
-#include <string.h>
+
+
+/*
+ * NOTE: this holds code that's used with multiple ARM9 processors:
+ * - ARM9TDMI (ARMv4T) ... in ARM920, ARM922, and ARM940 cores
+ * - ARM9E-S (ARMv5TE) ... in ARM946, ARM966, and ARM968 cores
+ * - ARM9EJS (ARMv5TEJ) ... in ARM926 core
+ *
+ * In short, the file name is a misnomer ... it is NOT specific to
+ * that first generation ARM9 processor, or cores using it.
+ */
#if 0
#define _DEBUG_INSTRUCTION_EXECUTION_
#endif
-/* cli handling */
-int handle_arm9tdmi_catch_vectors_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
-
-/* forward declarations */
-int arm9tdmi_target_create( struct target_s *target, Jim_Interp *interp );
-
-int arm9tdmi_quit(void);
-
-target_type_t arm9tdmi_target =
+enum arm9tdmi_vector_bit
{
- .name = "arm9tdmi",
-
- .poll = arm7_9_poll,
- .arch_state = armv4_5_arch_state,
-
- .target_request_data = arm7_9_target_request_data,
-
- .halt = arm7_9_halt,
- .resume = arm7_9_resume,
- .step = arm7_9_step,
-
- .assert_reset = arm7_9_assert_reset,
- .deassert_reset = arm7_9_deassert_reset,
- .soft_reset_halt = arm7_9_soft_reset_halt,
-
- .get_gdb_reg_list = armv4_5_get_gdb_reg_list,
-
- .read_memory = arm7_9_read_memory,
- .write_memory = arm7_9_write_memory,
- .bulk_write_memory = arm7_9_bulk_write_memory,
- .checksum_memory = arm7_9_checksum_memory,
- .blank_check_memory = arm7_9_blank_check_memory,
-
- .run_algorithm = armv4_5_run_algorithm,
-
- .add_breakpoint = arm7_9_add_breakpoint,
- .remove_breakpoint = arm7_9_remove_breakpoint,
- .add_watchpoint = arm7_9_add_watchpoint,
- .remove_watchpoint = arm7_9_remove_watchpoint,
-
- .register_commands = arm9tdmi_register_commands,
- .target_create = arm9tdmi_target_create,
- .init_target = arm9tdmi_init_target,
- .examine = arm9tdmi_examine,
- .quit = arm9tdmi_quit
+ ARM9TDMI_RESET_VECTOR = 0x01,
+ ARM9TDMI_UNDEF_VECTOR = 0x02,
+ ARM9TDMI_SWI_VECTOR = 0x04,
+ ARM9TDMI_PABT_VECTOR = 0x08,
+ ARM9TDMI_DABT_VECTOR = 0x10,
+ /* BIT(5) reserved -- must be zero */
+ ARM9TDMI_IRQ_VECTOR = 0x40,
+ ARM9TDMI_FIQ_VECTOR = 0x80,
};
-arm9tdmi_vector_t arm9tdmi_vectors[] =
-{
+static const struct arm9tdmi_vector {
+ char *name;
+ uint32_t value;
+} arm9tdmi_vectors[] = {
{"reset", ARM9TDMI_RESET_VECTOR},
{"undef", ARM9TDMI_UNDEF_VECTOR},
{"swi", ARM9TDMI_SWI_VECTOR},
{"pabt", ARM9TDMI_PABT_VECTOR},
{"dabt", ARM9TDMI_DABT_VECTOR},
- {"reserved", ARM9TDMI_RESERVED_VECTOR},
{"irq", ARM9TDMI_IRQ_VECTOR},
{"fiq", ARM9TDMI_FIQ_VECTOR},
{0, 0},
};
-int arm9tdmi_examine_debug_reason(target_t *target)
+int arm9tdmi_examine_debug_reason(struct target *target)
{
int retval = ERROR_OK;
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
/* only check the debug reason if we don't know it already */
if ((target->debug_reason != DBG_REASON_DBGRQ)
&& (target->debug_reason != DBG_REASON_SINGLESTEP))
{
- scan_field_t fields[3];
- u8 databus[4];
- u8 instructionbus[4];
- u8 debug_reason;
+ struct scan_field fields[3];
+ uint8_t databus[4];
+ uint8_t instructionbus[4];
+ uint8_t debug_reason;
- jtag_add_end_state(TAP_DRPAUSE);
+ jtag_set_end_state(TAP_DRPAUSE);
fields[0].tap = arm7_9->jtag_info.tap;
fields[0].num_bits = 32;
fields[0].out_value = NULL;
- fields[0].out_mask = NULL;
fields[0].in_value = databus;
- fields[0].in_check_value = NULL;
- fields[0].in_check_mask = NULL;
- fields[0].in_handler = NULL;
- fields[0].in_handler_priv = NULL;
fields[1].tap = arm7_9->jtag_info.tap;
fields[1].num_bits = 3;
fields[1].out_value = NULL;
- fields[1].out_mask = NULL;
fields[1].in_value = &debug_reason;
- fields[1].in_check_value = NULL;
- fields[1].in_check_mask = NULL;
- fields[1].in_handler = NULL;
- fields[1].in_handler_priv = NULL;
fields[2].tap = arm7_9->jtag_info.tap;
fields[2].num_bits = 32;
fields[2].out_value = NULL;
- fields[2].out_mask = NULL;
fields[2].in_value = instructionbus;
- fields[2].in_check_value = NULL;
- fields[2].in_check_mask = NULL;
- fields[2].in_handler = NULL;
- fields[2].in_handler_priv = NULL;
- if((retval = arm_jtag_scann(&arm7_9->jtag_info, 0x1)) != ERROR_OK)
+ if ((retval = arm_jtag_scann(&arm7_9->jtag_info, 0x1)) != ERROR_OK)
{
return retval;
}
arm_jtag_set_instr(&arm7_9->jtag_info, arm7_9->jtag_info.intest_instr, NULL);
- jtag_add_dr_scan(3, fields, TAP_DRPAUSE);
- if((retval = jtag_execute_queue()) != ERROR_OK)
+ jtag_add_dr_scan(3, fields, jtag_set_end_state(TAP_DRPAUSE));
+ if ((retval = jtag_execute_queue()) != ERROR_OK)
{
return retval;
}
fields[2].in_value = NULL;
fields[2].out_value = instructionbus;
- jtag_add_dr_scan(3, fields, TAP_DRPAUSE);
+ jtag_add_dr_scan(3, fields, jtag_set_end_state(TAP_DRPAUSE));
if (debug_reason & 0x4)
if (debug_reason & 0x2)
return ERROR_OK;
}
-/* put an instruction in the ARM9TDMI pipeline or write the data bus, and optionally read data */
-int arm9tdmi_clock_out(arm_jtag_t *jtag_info, u32 instr, u32 out, u32 *in, int sysspeed)
+/* put an instruction in the ARM9TDMI pipeline or write the data bus,
+ * and optionally read data
+ */
+int arm9tdmi_clock_out(struct arm_jtag *jtag_info, uint32_t instr,
+ uint32_t out, uint32_t *in, int sysspeed)
{
int retval = ERROR_OK;
- scan_field_t fields[3];
- u8 out_buf[4];
- u8 instr_buf[4];
- u8 sysspeed_buf = 0x0;
+ struct scan_field fields[3];
+ uint8_t out_buf[4];
+ uint8_t instr_buf[4];
+ uint8_t sysspeed_buf = 0x0;
/* prepare buffer */
buf_set_u32(out_buf, 0, 32, out);
if (sysspeed)
buf_set_u32(&sysspeed_buf, 2, 1, 1);
- jtag_add_end_state(TAP_DRPAUSE);
- if((retval = arm_jtag_scann(jtag_info, 0x1)) != ERROR_OK)
+ jtag_set_end_state(TAP_DRPAUSE);
+ if ((retval = arm_jtag_scann(jtag_info, 0x1)) != ERROR_OK)
{
return retval;
}
fields[0].tap = jtag_info->tap;
fields[0].num_bits = 32;
fields[0].out_value = out_buf;
- fields[0].out_mask = NULL;
fields[0].in_value = NULL;
- if (in)
- {
- fields[0].in_handler = arm_jtag_buf_to_u32; /* deprecated! invoke this from user code! */
- fields[0].in_handler_priv = in;
- }
- else
- {
- fields[0].in_handler = NULL;
- fields[0].in_handler_priv = NULL;
- }
- fields[0].in_check_value = NULL;
- fields[0].in_check_mask = NULL;
fields[1].tap = jtag_info->tap;
fields[1].num_bits = 3;
fields[1].out_value = &sysspeed_buf;
- fields[1].out_mask = NULL;
fields[1].in_value = NULL;
- fields[1].in_check_value = NULL;
- fields[1].in_check_mask = NULL;
- fields[1].in_handler = NULL;
- fields[1].in_handler_priv = NULL;
fields[2].tap = jtag_info->tap;
fields[2].num_bits = 32;
fields[2].out_value = instr_buf;
- fields[2].out_mask = NULL;
fields[2].in_value = NULL;
- fields[2].in_check_value = NULL;
- fields[2].in_check_mask = NULL;
- fields[2].in_handler = NULL;
- fields[2].in_handler_priv = NULL;
- jtag_add_dr_scan(3, fields, TAP_INVALID);
+ if (in)
+ {
+ fields[0].in_value = (uint8_t *)in;
+ jtag_add_dr_scan(3, fields, jtag_get_end_state());
+
+ jtag_add_callback(arm_le_to_h_u32, (jtag_callback_data_t)in);
+ }
+ else
+ {
+ jtag_add_dr_scan(3, fields, jtag_get_end_state());
+ }
- jtag_add_runtest(0, TAP_INVALID);
+ jtag_add_runtest(0, jtag_get_end_state());
#ifdef _DEBUG_INSTRUCTION_EXECUTION_
{
- if((retval = jtag_execute_queue()) != ERROR_OK)
+ if ((retval = jtag_execute_queue()) != ERROR_OK)
{
return retval;
}
}
/* just read data (instruction and data-out = don't care) */
-int arm9tdmi_clock_data_in(arm_jtag_t *jtag_info, u32 *in)
+int arm9tdmi_clock_data_in(struct arm_jtag *jtag_info, uint32_t *in)
{
int retval = ERROR_OK;;
- scan_field_t fields[3];
+ struct scan_field fields[3];
- jtag_add_end_state(TAP_DRPAUSE);
- if((retval = arm_jtag_scann(jtag_info, 0x1)) != ERROR_OK)
+ jtag_set_end_state(TAP_DRPAUSE);
+ if ((retval = arm_jtag_scann(jtag_info, 0x1)) != ERROR_OK)
{
return retval;
}
fields[0].tap = jtag_info->tap;
fields[0].num_bits = 32;
fields[0].out_value = NULL;
- fields[0].out_mask = NULL;
- fields[0].in_value = NULL;
- fields[0].in_handler = arm_jtag_buf_to_u32; /* deprecated! invoke this from user code! */
- fields[0].in_handler_priv = in;
- fields[0].in_check_value = NULL;
- fields[0].in_check_mask = NULL;
+ fields[0].in_value = (uint8_t *)in;
fields[1].tap = jtag_info->tap;
fields[1].num_bits = 3;
fields[1].out_value = NULL;
- fields[1].out_mask = NULL;
fields[1].in_value = NULL;
- fields[1].in_handler = NULL;
- fields[1].in_handler_priv = NULL;
- fields[1].in_check_value = NULL;
- fields[1].in_check_mask = NULL;
fields[2].tap = jtag_info->tap;
fields[2].num_bits = 32;
fields[2].out_value = NULL;
- fields[2].out_mask = NULL;
fields[2].in_value = NULL;
- fields[2].in_check_value = NULL;
- fields[2].in_check_mask = NULL;
- fields[2].in_handler = NULL;
- fields[2].in_handler_priv = NULL;
- jtag_add_dr_scan(3, fields, TAP_INVALID);
+ jtag_add_dr_scan(3, fields, jtag_get_end_state());
- jtag_add_runtest(0, TAP_INVALID);
+ jtag_add_callback(arm_le_to_h_u32, (jtag_callback_data_t)in);
+
+ jtag_add_runtest(0, jtag_get_end_state());
#ifdef _DEBUG_INSTRUCTION_EXECUTION_
{
- if((retval = jtag_execute_queue()) != ERROR_OK)
+ if ((retval = jtag_execute_queue()) != ERROR_OK)
{
return retval;
}
return ERROR_OK;
}
+extern void arm_endianness(uint8_t *tmp, void *in, int size, int be, int flip);
+
+static int arm9endianness(jtag_callback_data_t arg,
+ jtag_callback_data_t size, jtag_callback_data_t be,
+ jtag_callback_data_t captured)
+{
+ uint8_t *in = (uint8_t *)arg;
+
+ arm_endianness((uint8_t *)captured, in, (int)size, (int)be, 0);
+ return ERROR_OK;
+}
+
/* clock the target, and read the databus
* the *in pointer points to a buffer where elements of 'size' bytes
- * are stored in big (be==1) or little (be==0) endianness
+ * are stored in big (be == 1) or little (be == 0) endianness
*/
-int arm9tdmi_clock_data_in_endianness(arm_jtag_t *jtag_info, void *in, int size, int be)
+int arm9tdmi_clock_data_in_endianness(struct arm_jtag *jtag_info,
+ void *in, int size, int be)
{
int retval = ERROR_OK;
- scan_field_t fields[3];
+ struct scan_field fields[3];
- jtag_add_end_state(TAP_DRPAUSE);
- if((retval = arm_jtag_scann(jtag_info, 0x1)) != ERROR_OK)
+ jtag_set_end_state(TAP_DRPAUSE);
+ if ((retval = arm_jtag_scann(jtag_info, 0x1)) != ERROR_OK)
{
return retval;
}
fields[0].tap = jtag_info->tap;
fields[0].num_bits = 32;
fields[0].out_value = NULL;
- fields[0].out_mask = NULL;
- fields[0].in_value = NULL;
- switch (size)
- {
- case 4:
- fields[0].in_handler = (be) ? arm_jtag_buf_to_be32 : arm_jtag_buf_to_le32; /* deprecated! invoke this from user code! */
- break;
- case 2:
- fields[0].in_handler = (be) ? arm_jtag_buf_to_be16 : arm_jtag_buf_to_le16; /* deprecated! invoke this from user code! */
- break;
- case 1:
- fields[0].in_handler = arm_jtag_buf_to_8; /* deprecated! invoke this from user code! */
- break;
- }
- fields[0].in_handler_priv = in;
- fields[0].in_check_value = NULL;
- fields[0].in_check_mask = NULL;
+ jtag_alloc_in_value32(&fields[0]);
fields[1].tap = jtag_info->tap;
fields[1].num_bits = 3;
fields[1].out_value = NULL;
- fields[1].out_mask = NULL;
fields[1].in_value = NULL;
- fields[1].in_handler = NULL;
- fields[1].in_handler_priv = NULL;
- fields[1].in_check_value = NULL;
- fields[1].in_check_mask = NULL;
fields[2].tap = jtag_info->tap;
fields[2].num_bits = 32;
fields[2].out_value = NULL;
- fields[2].out_mask = NULL;
fields[2].in_value = NULL;
- fields[2].in_check_value = NULL;
- fields[2].in_check_mask = NULL;
- fields[2].in_handler = NULL;
- fields[2].in_handler_priv = NULL;
- jtag_add_dr_scan(3, fields, TAP_INVALID);
+ jtag_add_dr_scan(3, fields, jtag_get_end_state());
- jtag_add_runtest(0, TAP_INVALID);
+ jtag_add_callback4(arm9endianness, (jtag_callback_data_t)in, (jtag_callback_data_t)size, (jtag_callback_data_t)be, (jtag_callback_data_t)fields[0].in_value);
+
+ jtag_add_runtest(0, jtag_get_end_state());
#ifdef _DEBUG_INSTRUCTION_EXECUTION_
{
- if((retval = jtag_execute_queue()) != ERROR_OK)
+ if ((retval = jtag_execute_queue()) != ERROR_OK)
{
return retval;
}
if (in)
{
- LOG_DEBUG("in: 0x%8.8x", *(u32*)in);
+ LOG_DEBUG("in: 0x%8.8x", *(uint32_t*)in);
}
else
{
return ERROR_OK;
}
-void arm9tdmi_change_to_arm(target_t *target, u32 *r0, u32 *pc)
+static void arm9tdmi_change_to_arm(struct target *target,
+ uint32_t *r0, uint32_t *pc)
{
int retval = ERROR_OK;
- /* get pointers to arch-specific information */
- 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;
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+ struct arm_jtag *jtag_info = &arm7_9->jtag_info;
/* save r0 before using it and put system in ARM state
* to allow common handling of ARM and THUMB debugging */
/* NOP fetched, BX in Execute (1) */
arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, 0, NULL, 0);
- if((retval = jtag_execute_queue()) != ERROR_OK)
+ if ((retval = jtag_execute_queue()) != ERROR_OK)
{
return;
}
*pc -= 0xc;
}
-void arm9tdmi_read_core_regs(target_t *target, u32 mask, u32* core_regs[16])
+void arm9tdmi_read_core_regs(struct target *target,
+ uint32_t mask, uint32_t* core_regs[16])
{
int i;
- /* get pointers to arch-specific information */
- 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;
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+ struct arm_jtag *jtag_info = &arm7_9->jtag_info;
/* STMIA r0-15, [r0] at debug speed
* register values will start to appear on 4th DCLK
}
}
-void arm9tdmi_read_core_regs_target_buffer(target_t *target, u32 mask, void* buffer, int size)
+static void arm9tdmi_read_core_regs_target_buffer(struct target *target,
+ uint32_t mask, void* buffer, int size)
{
int i;
- /* get pointers to arch-specific information */
- 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;
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+ struct arm_jtag *jtag_info = &arm7_9->jtag_info;
int be = (target->endianness == TARGET_BIG_ENDIAN) ? 1 : 0;
- u32 *buf_u32 = buffer;
- u16 *buf_u16 = buffer;
- u8 *buf_u8 = buffer;
+ uint32_t *buf_u32 = buffer;
+ uint16_t *buf_u16 = buffer;
+ uint8_t *buf_u8 = buffer;
/* STMIA r0-15, [r0] at debug speed
* register values will start to appear on 4th DCLK
}
}
-void arm9tdmi_read_xpsr(target_t *target, u32 *xpsr, int spsr)
+static void arm9tdmi_read_xpsr(struct target *target, uint32_t *xpsr, int spsr)
{
- /* get pointers to arch-specific information */
- 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;
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+ struct arm_jtag *jtag_info = &arm7_9->jtag_info;
/* MRS r0, cpsr */
arm9tdmi_clock_out(jtag_info, ARMV4_5_MRS(0, spsr & 1), 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, xpsr, 0);
}
-void arm9tdmi_write_xpsr(target_t *target, u32 xpsr, int spsr)
+static void arm9tdmi_write_xpsr(struct target *target, uint32_t xpsr, int spsr)
{
- /* get pointers to arch-specific information */
- 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;
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+ struct arm_jtag *jtag_info = &arm7_9->jtag_info;
- LOG_DEBUG("xpsr: %8.8x, spsr: %i", xpsr, spsr);
+ LOG_DEBUG("xpsr: %8.8" PRIx32 ", spsr: %i", xpsr, spsr);
/* MSR1 fetched */
arm9tdmi_clock_out(jtag_info, ARMV4_5_MSR_IM(xpsr & 0xff, 0, 1, spsr), 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0);
}
-void arm9tdmi_write_xpsr_im8(target_t *target, u8 xpsr_im, int rot, int spsr)
+static void arm9tdmi_write_xpsr_im8(struct target *target,
+ uint8_t xpsr_im, int rot, int spsr)
{
- /* get pointers to arch-specific information */
- 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;
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+ struct arm_jtag *jtag_info = &arm7_9->jtag_info;
LOG_DEBUG("xpsr_im: %2.2x, rot: %i, spsr: %i", xpsr_im, rot, spsr);
}
}
-void arm9tdmi_write_core_regs(target_t *target, u32 mask, u32 core_regs[16])
+void arm9tdmi_write_core_regs(struct target *target,
+ uint32_t mask, uint32_t core_regs[16])
{
int i;
- /* get pointers to arch-specific information */
- 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;
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+ struct arm_jtag *jtag_info = &arm7_9->jtag_info;
/* LDMIA r0-15, [r0] at debug speed
* register values will start to appear on 4th DCLK
for (i = 0; i <= 15; i++)
{
if (mask & (1 << i))
- /* nothing fetched, LDM still in EXECUTE (1+i cycle) */
+ /* nothing fetched, LDM still in EXECUTE (1 + i cycle) */
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, core_regs[i], NULL, 0);
}
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0);
}
-void arm9tdmi_load_word_regs(target_t *target, u32 mask)
+void arm9tdmi_load_word_regs(struct target *target, uint32_t mask)
{
- /* get pointers to arch-specific information */
- 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;
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+ struct arm_jtag *jtag_info = &arm7_9->jtag_info;
/* put system-speed load-multiple into the pipeline */
arm9tdmi_clock_out(jtag_info, ARMV4_5_LDMIA(0, mask & 0xffff, 0, 1), 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1);
}
-void arm9tdmi_load_hword_reg(target_t *target, int num)
+void arm9tdmi_load_hword_reg(struct target *target, int num)
{
- /* get pointers to arch-specific information */
- 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;
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+ struct arm_jtag *jtag_info = &arm7_9->jtag_info;
/* put system-speed load half-word into the pipeline */
arm9tdmi_clock_out(jtag_info, ARMV4_5_LDRH_IP(num, 0), 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1);
}
-void arm9tdmi_load_byte_reg(target_t *target, int num)
+void arm9tdmi_load_byte_reg(struct target *target, int num)
{
- /* get pointers to arch-specific information */
- 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;
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+ struct arm_jtag *jtag_info = &arm7_9->jtag_info;
/* put system-speed load byte into the pipeline */
arm9tdmi_clock_out(jtag_info, ARMV4_5_LDRB_IP(num, 0), 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1);
}
-void arm9tdmi_store_word_regs(target_t *target, u32 mask)
+void arm9tdmi_store_word_regs(struct target *target, uint32_t mask)
{
- /* get pointers to arch-specific information */
- 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;
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+ struct arm_jtag *jtag_info = &arm7_9->jtag_info;
/* put system-speed store-multiple into the pipeline */
arm9tdmi_clock_out(jtag_info, ARMV4_5_STMIA(0, mask, 0, 1), 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1);
}
-void arm9tdmi_store_hword_reg(target_t *target, int num)
+void arm9tdmi_store_hword_reg(struct target *target, int num)
{
- /* get pointers to arch-specific information */
- 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;
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+ struct arm_jtag *jtag_info = &arm7_9->jtag_info;
/* put system-speed store half-word into the pipeline */
arm9tdmi_clock_out(jtag_info, ARMV4_5_STRH_IP(num, 0), 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1);
}
-void arm9tdmi_store_byte_reg(target_t *target, int num)
+void arm9tdmi_store_byte_reg(struct target *target, int num)
{
- /* get pointers to arch-specific information */
- 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;
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+ struct arm_jtag *jtag_info = &arm7_9->jtag_info;
/* put system-speed store byte into the pipeline */
arm9tdmi_clock_out(jtag_info, ARMV4_5_STRB_IP(num, 0), 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1);
}
-void arm9tdmi_write_pc(target_t *target, u32 pc)
+static void arm9tdmi_write_pc(struct target *target, uint32_t pc)
{
- /* get pointers to arch-specific information */
- 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;
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+ struct arm_jtag *jtag_info = &arm7_9->jtag_info;
/* LDMIA r0-15, [r0] at debug speed
* register values will start to appear on 4th DCLK
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 0);
}
-void arm9tdmi_branch_resume(target_t *target)
+void arm9tdmi_branch_resume(struct target *target)
{
- /* get pointers to arch-specific information */
- 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;
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+ struct arm_jtag *jtag_info = &arm7_9->jtag_info;
arm9tdmi_clock_out(jtag_info, ARMV4_5_B(0xfffffc, 0), 0, NULL, 0);
arm9tdmi_clock_out(jtag_info, ARMV4_5_NOP, 0, NULL, 1);
}
-void arm9tdmi_branch_resume_thumb(target_t *target)
+static void arm9tdmi_branch_resume_thumb(struct target *target)
{
LOG_DEBUG("-");
- /* get pointers to arch-specific information */
- 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;
- reg_t *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+ struct armv4_5_common_s *armv4_5 = &arm7_9->armv4_5_common;
+ struct arm_jtag *jtag_info = &arm7_9->jtag_info;
+ struct reg *dbg_stat = &arm7_9->eice_cache->reg_list[EICE_DBG_STAT];
/* LDMIA r0-15, [r0] at debug speed
* register values will start to appear on 4th DCLK
arm9tdmi_clock_out(jtag_info, ARMV4_5_T_NOP, 0, NULL, 0);
}
-void arm9tdmi_enable_single_step(target_t *target, u32 next_pc)
+void arm9tdmi_enable_single_step(struct target *target, uint32_t next_pc)
{
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
if (arm7_9->has_single_step)
{
}
}
-void arm9tdmi_disable_single_step(target_t *target)
+void arm9tdmi_disable_single_step(struct target *target)
{
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
if (arm7_9->has_single_step)
{
}
}
-void arm9tdmi_build_reg_cache(target_t *target)
+static void arm9tdmi_build_reg_cache(struct target *target)
{
- reg_cache_t **cache_p = register_get_last_cache_p(&target->reg_cache);
- /* get pointers to arch-specific information */
- armv4_5_common_t *armv4_5 = target->arch_info;
+ struct reg_cache **cache_p = register_get_last_cache_p(&target->reg_cache);
+ struct armv4_5_common_s *armv4_5 = target_to_armv4_5(target);
(*cache_p) = armv4_5_build_reg_cache(target, armv4_5);
armv4_5->core_cache = (*cache_p);
}
-int arm9tdmi_examine(struct target_s *target)
+int arm9tdmi_init_target(struct command_context *cmd_ctx,
+ struct target *target)
{
- /* get pointers to arch-specific information */
- int retval;
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9 = armv4_5->arch_info;
- if (!target->type->examined)
- {
- reg_cache_t **cache_p = register_get_last_cache_p(&target->reg_cache);
- reg_cache_t *t;
- /* one extra register (vector catch) */
- t=embeddedice_build_reg_cache(target, arm7_9);
- if (t==NULL)
- return ERROR_FAIL;
- (*cache_p) = t;
- arm7_9->eice_cache = (*cache_p);
-
- if (arm7_9->etm_ctx)
- {
- arm_jtag_t *jtag_info = &arm7_9->jtag_info;
- (*cache_p)->next = etm_build_reg_cache(target, jtag_info, arm7_9->etm_ctx);
- arm7_9->etm_ctx->reg_cache = (*cache_p)->next;
- }
- target->type->examined = 1;
- }
- if ((retval=embeddedice_setup(target))!=ERROR_OK)
- return retval;
- if ((retval=arm7_9_setup(target))!=ERROR_OK)
- return retval;
- if (arm7_9->etm_ctx)
- {
- if ((retval=etm_setup(target))!=ERROR_OK)
- return retval;
- }
- return ERROR_OK;
-}
-
-int arm9tdmi_init_target(struct command_context_s *cmd_ctx, struct target_s *target)
-{
-
arm9tdmi_build_reg_cache(target);
-
- return ERROR_OK;
-}
-
-int arm9tdmi_quit(void)
-{
return ERROR_OK;
}
-int arm9tdmi_init_arch_info(target_t *target, arm9tdmi_common_t *arm9tdmi, jtag_tap_t *tap)
+int arm9tdmi_init_arch_info(struct target *target,
+ struct arm7_9_common *arm7_9, struct jtag_tap *tap)
{
- armv4_5_common_t *armv4_5;
- arm7_9_common_t *arm7_9;
-
- arm7_9 = &arm9tdmi->arm7_9_common;
- armv4_5 = &arm7_9->armv4_5_common;
-
/* prepare JTAG information for the new target */
arm7_9->jtag_info.tap = tap;
arm7_9->jtag_info.scann_size = 5;
arm7_9->enable_single_step = arm9tdmi_enable_single_step;
arm7_9->disable_single_step = arm9tdmi_disable_single_step;
- arm7_9->pre_debug_entry = NULL;
arm7_9->post_debug_entry = NULL;
arm7_9->pre_restore_context = NULL;
arm7_9->thumb_bkpt = 0xdeee;
arm7_9->dbgreq_adjust_pc = 3;
- arm7_9->arch_info = arm9tdmi;
-
- arm9tdmi->common_magic = ARM9TDMI_COMMON_MAGIC;
- arm9tdmi->arch_info = NULL;
arm7_9_init_arch_info(target, arm7_9);
return ERROR_OK;
}
-int arm9tdmi_get_arch_pointers(target_t *target, armv4_5_common_t **armv4_5_p, arm7_9_common_t **arm7_9_p, arm9tdmi_common_t **arm9tdmi_p)
+static int arm9tdmi_target_create(struct target *target, Jim_Interp *interp)
{
- armv4_5_common_t *armv4_5 = target->arch_info;
- arm7_9_common_t *arm7_9;
- arm9tdmi_common_t *arm9tdmi;
+ struct arm7_9_common *arm7_9 = calloc(1,sizeof(struct arm7_9_common));
- if (armv4_5->common_magic != ARMV4_5_COMMON_MAGIC)
- {
- return -1;
- }
-
- arm7_9 = armv4_5->arch_info;
- if (arm7_9->common_magic != ARM7_9_COMMON_MAGIC)
- {
- return -1;
- }
-
- arm9tdmi = arm7_9->arch_info;
- if (arm9tdmi->common_magic != ARM9TDMI_COMMON_MAGIC)
- {
- return -1;
- }
-
- *armv4_5_p = armv4_5;
- *arm7_9_p = arm7_9;
- *arm9tdmi_p = arm9tdmi;
+ arm9tdmi_init_arch_info(target, arm7_9, target->tap);
+ arm7_9->armv4_5_common.is_armv4 = true;
return ERROR_OK;
}
-int arm9tdmi_target_create(struct target_s *target, Jim_Interp *interp)
+COMMAND_HANDLER(handle_arm9tdmi_catch_vectors_command)
{
- arm9tdmi_common_t *arm9tdmi = calloc(1,sizeof(arm9tdmi_common_t));
-
- arm9tdmi_init_arch_info(target, arm9tdmi, target->tap);
+ struct target *target = get_current_target(cmd_ctx);
+ struct arm7_9_common *arm7_9 = target_to_arm7_9(target);
+ struct reg *vector_catch;
+ uint32_t vector_catch_value;
- return ERROR_OK;
-}
-
-int arm9tdmi_register_commands(struct command_context_s *cmd_ctx)
-{
- int retval;
- command_t *arm9tdmi_cmd;
-
- retval = arm7_9_register_commands(cmd_ctx);
- arm9tdmi_cmd = register_command(cmd_ctx, NULL, "arm9tdmi", NULL, COMMAND_ANY, "arm9tdmi specific commands");
- register_command(cmd_ctx, arm9tdmi_cmd, "vector_catch", handle_arm9tdmi_catch_vectors_command, COMMAND_EXEC, "catch arm920t vectors ['all'|'none'|'<vec1 vec2 ...>']");
-
- return retval;
-}
-
-int handle_arm9tdmi_catch_vectors_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
-{
- target_t *target = get_current_target(cmd_ctx);
- armv4_5_common_t *armv4_5;
- arm7_9_common_t *arm7_9;
- arm9tdmi_common_t *arm9tdmi;
- reg_t *vector_catch;
- u32 vector_catch_value;
- int i, j;
-
- if (arm9tdmi_get_arch_pointers(target, &armv4_5, &arm7_9, &arm9tdmi) != ERROR_OK)
- {
- command_print(cmd_ctx, "current target isn't an ARM9TDMI based target");
- return ERROR_OK;
+ /* it's uncommon, but some ARM7 chips can support this */
+ if (arm7_9->common_magic != ARM7_9_COMMON_MAGIC
+ || !arm7_9->has_vector_catch) {
+ command_print(cmd_ctx, "target doesn't have EmbeddedICE "
+ "with vector_catch");
+ return ERROR_TARGET_INVALID;
}
vector_catch = &arm7_9->eice_cache->reg_list[EICE_VEC_CATCH];
embeddedice_read_reg(vector_catch);
/* get the current setting */
- vector_catch_value = buf_get_u32(vector_catch->value, 0, 32);
+ vector_catch_value = buf_get_u32(vector_catch->value, 0, 8);
- if (argc > 0)
+ if (CMD_ARGC > 0)
{
vector_catch_value = 0x0;
if (strcmp(args[0], "all") == 0)
}
else
{
- for (i = 0; i < argc; i++)
+ for (unsigned i = 0; i < CMD_ARGC; i++)
{
/* go through list of vectors */
- for(j = 0; arm9tdmi_vectors[j].name; j++)
+ unsigned j;
+ for (j = 0; arm9tdmi_vectors[j].name; j++)
{
if (strcmp(args[i], arm9tdmi_vectors[j].name) == 0)
{
command_print(cmd_ctx, "vector '%s' not found, leaving current setting unchanged", args[i]);
/* reread current setting */
- vector_catch_value = buf_get_u32(vector_catch->value, 0, 32);
+ vector_catch_value = buf_get_u32(
+ vector_catch->value,
+ 0, 8);
break;
}
}
/* store new settings */
- buf_set_u32(vector_catch->value, 0, 32, vector_catch_value);
+ buf_set_u32(vector_catch->value, 0, 8, vector_catch_value);
embeddedice_store_reg(vector_catch);
}
- /* output current settings (skip RESERVED vector) */
- for (i = 0; i < 8; i++)
- {
- if (i != 5)
- {
- command_print(cmd_ctx, "%s: %s", arm9tdmi_vectors[i].name,
- (vector_catch_value & (1 << i)) ? "catch" : "don't catch");
- }
+ /* output current settings */
+ for (unsigned i = 0; arm9tdmi_vectors[i].name; i++) {
+ command_print(cmd_ctx, "%s: %s", arm9tdmi_vectors[i].name,
+ (vector_catch_value & arm9tdmi_vectors[i].value)
+ ? "catch" : "don't catch");
}
return ERROR_OK;
}
+
+int arm9tdmi_register_commands(struct command_context *cmd_ctx)
+{
+ int retval;
+ struct command *arm9tdmi_cmd;
+
+ retval = arm7_9_register_commands(cmd_ctx);
+ arm9tdmi_cmd = register_command(cmd_ctx, NULL, "arm9",
+ NULL, COMMAND_ANY,
+ "arm9 specific commands");
+ register_command(cmd_ctx, arm9tdmi_cmd, "vector_catch",
+ handle_arm9tdmi_catch_vectors_command, COMMAND_EXEC,
+ "arm9 vector_catch [all|none|reset|undef|swi|pabt|dabt|irq|fiq] ...");
+
+ return retval;
+}
+
+/** Holds methods for ARM9TDMI targets. */
+struct target_type arm9tdmi_target =
+{
+ .name = "arm9tdmi",
+
+ .poll = arm7_9_poll,
+ .arch_state = armv4_5_arch_state,
+
+ .target_request_data = arm7_9_target_request_data,
+
+ .halt = arm7_9_halt,
+ .resume = arm7_9_resume,
+ .step = arm7_9_step,
+
+ .assert_reset = arm7_9_assert_reset,
+ .deassert_reset = arm7_9_deassert_reset,
+ .soft_reset_halt = arm7_9_soft_reset_halt,
+
+ .get_gdb_reg_list = armv4_5_get_gdb_reg_list,
+
+ .read_memory = arm7_9_read_memory,
+ .write_memory = arm7_9_write_memory,
+ .bulk_write_memory = arm7_9_bulk_write_memory,
+
+ .checksum_memory = arm_checksum_memory,
+ .blank_check_memory = arm_blank_check_memory,
+
+ .run_algorithm = armv4_5_run_algorithm,
+
+ .add_breakpoint = arm7_9_add_breakpoint,
+ .remove_breakpoint = arm7_9_remove_breakpoint,
+ .add_watchpoint = arm7_9_add_watchpoint,
+ .remove_watchpoint = arm7_9_remove_watchpoint,
+
+ .register_commands = arm9tdmi_register_commands,
+ .target_create = arm9tdmi_target_create,
+ .init_target = arm9tdmi_init_target,
+ .examine = arm7_9_examine,
+};
projects / fw / openocd / blobdiff