#include "arm_jtag.h"
#include "arm_simulator.h"
#include "arm_disassembler.h"
-#include "time_support.h"
+#include <helper/time_support.h>
#include "register.h"
#include "image.h"
static int xscale_resume(struct target *, int current,
uint32_t address, int handle_breakpoints, int debug_execution);
static int xscale_debug_entry(struct target *);
-static int xscale_restore_context(struct target *);
+static int xscale_restore_banked(struct target *);
static int xscale_get_reg(struct reg *reg);
static int xscale_set_reg(struct reg *reg, uint8_t *buf);
static int xscale_set_breakpoint(struct target *, struct breakpoint *);
xscale_enable_single_step(target, next_pc);
/* restore banked registers */
- xscale_restore_context(target);
+ retval = xscale_restore_banked(target);
/* send resume request (command 0x30 or 0x31)
* clean the trace buffer if it is to be enabled (0x62) */
xscale_enable_watchpoints(target);
/* restore banked registers */
- xscale_restore_context(target);
+ retval = xscale_restore_banked(target);
/* send resume request (command 0x30 or 0x31)
* clean the trace buffer if it is to be enabled (0x62) */
return retval;
/* restore banked registers */
- if ((retval = xscale_restore_context(target)) != ERROR_OK)
+ if ((retval = xscale_restore_banked(target)) != ERROR_OK)
return retval;
/* send resume request (command 0x30 or 0x31)
return ERROR_OK;
}
-static int xscale_restore_context(struct target *target)
+static int xscale_restore_banked(struct target *target)
{
struct arm *armv4_5 = target_to_armv4_5(target);
*/
for (i = 1; i < 7; i++)
{
- int dirty = 0;
enum armv4_5_mode mode = armv4_5_number_to_mode(i);
+ struct reg *r;
if (mode == ARMV4_5_MODE_USR)
continue;
{
if (ARMV4_5_CORE_REG_MODE(armv4_5->core_cache,
mode, j).dirty)
- dirty = 1;
+ goto dirty;
}
/* if not USR/SYS, check if the SPSR needs to be written */
{
if (ARMV4_5_CORE_REG_MODE(armv4_5->core_cache,
mode, 16).dirty)
- dirty = 1;
+ goto dirty;
}
- /* is there anything to flush for this mode? */
- if (dirty)
- {
- uint32_t tmp_cpsr;
- struct reg *r;
-
- /* command 0x1: "send banked registers" */
- xscale_send_u32(target, 0x1);
+ /* there's nothing to flush for this mode */
+ continue;
- tmp_cpsr = 0x0;
- tmp_cpsr |= mode;
- tmp_cpsr |= 0xc0; /* I/F bits */
+dirty:
+ /* command 0x1: "send banked registers" */
+ xscale_send_u32(target, 0x1);
- /* send CPSR for desired mode */
- xscale_send_u32(target, tmp_cpsr);
+ /* send CPSR for desired mode */
+ xscale_send_u32(target, mode | 0xc0 /* I/F bits */);
- /* send banked registers, r8 to r14, and spsr if not in USR/SYS mode */
- for (j = 8; j <= 14; j++)
- {
- r = &ARMV4_5_CORE_REG_MODE(armv4_5->core_cache,
- mode, j);
- xscale_send_u32(target,
- buf_get_u32(r->value, 0, 32));
- r->dirty = false;
- }
+ /* send r8 to r14/lr ... only FIQ needs more than r13..r14,
+ * but this protocol doesn't understand that nuance.
+ */
+ for (j = 8; j <= 14; j++) {
+ r = &ARMV4_5_CORE_REG_MODE(armv4_5->core_cache,
+ mode, j);
+ xscale_send_u32(target, buf_get_u32(r->value, 0, 32));
+ r->dirty = false;
+ }
- if (mode != ARMV4_5_MODE_SYS)
- {
- r = &ARMV4_5_CORE_REG_MODE(armv4_5->core_cache,
- mode, 16);
- xscale_send_u32(target,
- buf_get_u32(r->value, 0, 32));
- r->dirty = false;
- }
+ /* send spsr if not in USR/SYS mode */
+ if (mode != ARMV4_5_MODE_SYS) {
+ r = &ARMV4_5_CORE_REG_MODE(armv4_5->core_cache,
+ mode, 16);
+ xscale_send_u32(target, buf_get_u32(r->value, 0, 32));
+ r->dirty = false;
}
}
return ERROR_TRACE_INSTRUCTION_UNAVAILABLE;
}
- if (xscale->trace.core_state == ARMV4_5_STATE_ARM)
+ if (xscale->trace.core_state == ARM_STATE_ARM)
{
uint8_t buf[4];
if ((retval = image_read_section(xscale->trace.image, section,
opcode = target_buffer_get_u32(target, buf);
arm_evaluate_opcode(opcode, xscale->trace.current_pc, instruction);
}
- else if (xscale->trace.core_state == ARMV4_5_STATE_THUMB)
+ else if (xscale->trace.core_state == ARM_STATE_THUMB)
{
uint8_t buf[2];
if ((retval = image_read_section(xscale->trace.image, section,
int rollover;
int branch;
int exception;
- xscale->trace.core_state = ARMV4_5_STATE_ARM;
+ xscale->trace.core_state = ARM_STATE_ARM;
chkpt = 0;
rollover = 0;
}
else
{
- xscale->trace.current_pc += (xscale->trace.core_state == ARMV4_5_STATE_ARM) ? 4 : 2;
+ xscale->trace.current_pc += (xscale->trace.core_state == ARM_STATE_ARM) ? 4 : 2;
}
command_print(cmd_ctx, "%s", instruction.text);
}
}
}
- for (; xscale->trace.current_pc < trace_data->last_instruction; xscale->trace.current_pc += (xscale->trace.core_state == ARMV4_5_STATE_ARM) ? 4 : 2)
+ for (; xscale->trace.current_pc < trace_data->last_instruction; xscale->trace.current_pc += (xscale->trace.core_state == ARM_STATE_ARM) ? 4 : 2)
{
struct arm_instruction instruction;
if ((retval = xscale_read_instruction(target, &instruction)) != ERROR_OK)