For example:
-
LW $2, ($5 +10)
B foo
LW $1, ($2 +100)
struct mips_ejtag *ejtag_info;
};
+static int mips32_pracc_read_mem8(struct mips_ejtag *ejtag_info,
+ uint32_t addr, int count, uint8_t *buf);
+static int mips32_pracc_read_mem16(struct mips_ejtag *ejtag_info,
+ uint32_t addr, int count, uint16_t *buf);
+static int mips32_pracc_read_mem32(struct mips_ejtag *ejtag_info,
+ uint32_t addr, int count, uint32_t *buf);
+static int mips32_pracc_read_u32(struct mips_ejtag *ejtag_info,
+ uint32_t addr, uint32_t *buf);
+
+static int mips32_pracc_write_mem8(struct mips_ejtag *ejtag_info,
+ uint32_t addr, int count, uint8_t *buf);
+static int mips32_pracc_write_mem16(struct mips_ejtag *ejtag_info,
+ uint32_t addr, int count, uint16_t *buf);
+static int mips32_pracc_write_mem32(struct mips_ejtag *ejtag_info,
+ uint32_t addr, int count, uint32_t *buf);
+static int mips32_pracc_write_u32(struct mips_ejtag *ejtag_info,
+ uint32_t addr, uint32_t *buf);
+
static int wait_for_pracc_rw(struct mips_ejtag *ejtag_info, uint32_t *ctrl)
{
uint32_t ejtag_ctrl;
while (1)
{
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL);
ejtag_ctrl = ejtag_info->ejtag_ctrl;
mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl);
if (ejtag_ctrl & EJTAG_CTRL_PRACC)
break;
- LOG_DEBUG("DEBUGMODULE: No memory access in progress!\n");
+ LOG_DEBUG("DEBUGMODULE: No memory access in progress!");
return ERROR_JTAG_DEVICE_ERROR;
}
data = ctx->local_oparam[offset];
}
else if ((address >= MIPS32_PRACC_TEXT)
- && (address <= MIPS32_PRACC_TEXT + ctx->code_len*4))
+ && (address <= MIPS32_PRACC_TEXT + ctx->code_len * 4))
{
offset = (address - MIPS32_PRACC_TEXT) / 4;
data = ctx->code[offset];
* to start of debug vector */
data = 0;
- LOG_ERROR("Error reading unexpected address %8.8" PRIx32 "", address);
+ LOG_ERROR("Error reading unexpected address 0x%8.8" PRIx32 "", address);
return ERROR_JTAG_DEVICE_ERROR;
}
/* Send the data out */
- mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_DATA, NULL);
+ mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_DATA);
mips_ejtag_drscan_32(ctx->ejtag_info, &data);
/* Clear the access pending bit (let the processor eat!) */
-
ejtag_ctrl = ejtag_info->ejtag_ctrl & ~EJTAG_CTRL_PRACC;
- mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_CONTROL, NULL);
+ mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_CONTROL);
mips_ejtag_drscan_32(ctx->ejtag_info, &ejtag_ctrl);
jtag_add_clocks(5);
- jtag_execute_queue();
-
- return ERROR_OK;
+ return jtag_execute_queue();
}
static int mips32_pracc_exec_write(struct mips32_pracc_context *ctx, uint32_t address)
int offset;
struct mips_ejtag *ejtag_info = ctx->ejtag_info;
- mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_DATA, NULL);
+ mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_DATA);
mips_ejtag_drscan_32(ctx->ejtag_info, &data);
/* Clear access pending bit */
ejtag_ctrl = ejtag_info->ejtag_ctrl & ~EJTAG_CTRL_PRACC;
- mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_CONTROL, NULL);
+ mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_CONTROL);
mips_ejtag_drscan_32(ctx->ejtag_info, &ejtag_ctrl);
jtag_add_clocks(5);
- jtag_execute_queue();
+ int retval;
+ retval = jtag_execute_queue();
+ if (retval != ERROR_OK)
+ return retval;
if ((address >= MIPS32_PRACC_PARAM_IN)
&& (address <= MIPS32_PRACC_PARAM_IN + ctx->num_iparam * 4))
}
else
{
- LOG_ERROR("Error writing unexpected address %8.8" PRIx32 "", address);
+ LOG_ERROR("Error writing unexpected address 0x%8.8" PRIx32 "", address);
return ERROR_JTAG_DEVICE_ERROR;
}
return ERROR_OK;
}
-int mips32_pracc_exec(struct mips_ejtag *ejtag_info, int code_len, const uint32_t *code, int num_param_in, uint32_t *param_in, int num_param_out, uint32_t *param_out, int cycle)
+int mips32_pracc_exec(struct mips_ejtag *ejtag_info, int code_len, const uint32_t *code,
+ int num_param_in, uint32_t *param_in, int num_param_out, uint32_t *param_out, int cycle)
{
uint32_t ejtag_ctrl;
uint32_t address, data;
return retval;
address = data = 0;
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL);
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS);
mips_ejtag_drscan_32(ejtag_info, &address);
-// printf("Adres: %.8x\n", address);
-
/* Check for read or write */
if (ejtag_ctrl & EJTAG_CTRL_PRNW)
{
return ERROR_OK;
}
-int mips32_pracc_read_mem32(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint32_t *buf)
+static int mips32_pracc_read_mem32(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint32_t *buf)
{
static const uint32_t code[] = {
/* start: */
MIPS32_MTC0(15,31,0), /* move $15 to COP0 DeSave */
- MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
+ MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
MIPS32_ORI(15,15,LOWER16(MIPS32_PRACC_STACK)),
- MIPS32_SW(8,0,15), /* sw $8,($15) */
- MIPS32_SW(9,0,15), /* sw $9,($15) */
- MIPS32_SW(10,0,15), /* sw $10,($15) */
- MIPS32_SW(11,0,15), /* sw $11,($15) */
+ MIPS32_SW(8,0,15), /* sw $8,($15) */
+ MIPS32_SW(9,0,15), /* sw $9,($15) */
+ MIPS32_SW(10,0,15), /* sw $10,($15) */
+ MIPS32_SW(11,0,15), /* sw $11,($15) */
MIPS32_LUI(8,UPPER16(MIPS32_PRACC_PARAM_IN)), /* $8 = MIPS32_PRACC_PARAM_IN */
MIPS32_ORI(8,8,LOWER16(MIPS32_PRACC_PARAM_IN)),
MIPS32_LW(9,0,8), /* $9 = mem[$8]; read addr */
MIPS32_LW(10,4,8), /* $10 = mem[$8 + 4]; read count */
- MIPS32_LUI(11,UPPER16(MIPS32_PRACC_PARAM_OUT)), /* $11 = MIPS32_PRACC_PARAM_OUT */
+ MIPS32_LUI(11,UPPER16(MIPS32_PRACC_PARAM_OUT)), /* $11 = MIPS32_PRACC_PARAM_OUT */
MIPS32_ORI(11,11,LOWER16(MIPS32_PRACC_PARAM_OUT)),
- MIPS32_NOP,
/* loop: */
- MIPS32_BEQ(0,10,9), /* beq 0, $10, end */
+ MIPS32_BEQ(0,10,8), /* beq 0, $10, end */
MIPS32_NOP,
- MIPS32_LW(8,0,9), /* lw $8,0($9), Load $8 with the word @mem[$9] */
- MIPS32_SW(8,0,11), /* sw $8,0($11) */
+ MIPS32_LW(8,0,9), /* lw $8,0($9), Load $8 with the word @mem[$9] */
+ MIPS32_SW(8,0,11), /* sw $8,0($11) */
- MIPS32_ADDI(10,10,NEG16(1)), /* $10-- */
- MIPS32_ADDI(9,9,4), /* $1 += 4 */
- MIPS32_ADDI(11,11,4), /* $11 += 4 */
+ MIPS32_ADDI(10,10,NEG16(1)), /* $10-- */
+ MIPS32_ADDI(9,9,4), /* $1 += 4 */
+ MIPS32_ADDI(11,11,4), /* $11 += 4 */
- MIPS32_NOP,
- MIPS32_B(NEG16(9)), /* b loop */
+ MIPS32_B(NEG16(8)), /* b loop */
MIPS32_NOP,
/* end: */
- MIPS32_LW(11,0,15), /* lw $11,($15) */
- MIPS32_LW(10,0,15), /* lw $10,($15) */
- MIPS32_LW(9,0,15), /* lw $9,($15) */
- MIPS32_LW(8,0,15), /* lw $8,($15) */
+ MIPS32_LW(11,0,15), /* lw $11,($15) */
+ MIPS32_LW(10,0,15), /* lw $10,($15) */
+ MIPS32_LW(9,0,15), /* lw $9,($15) */
+ MIPS32_LW(8,0,15), /* lw $8,($15) */
+ MIPS32_B(NEG16(27)), /* b start */
MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
- MIPS32_NOP,
- MIPS32_B(NEG16(31)), /* b start */
- MIPS32_NOP,
};
int retval = ERROR_OK;
return retval;
}
-int mips32_pracc_read_u32(struct mips_ejtag *ejtag_info, uint32_t addr, uint32_t *buf)
+static int mips32_pracc_read_u32(struct mips_ejtag *ejtag_info, uint32_t addr, uint32_t *buf)
{
static const uint32_t code[] = {
/* start: */
MIPS32_MTC0(15,31,0), /* move $15 to COP0 DeSave */
- MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
+ MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
MIPS32_ORI(15,15,LOWER16(MIPS32_PRACC_STACK)),
- MIPS32_SW(8,0,15), /* sw $8,($15) */
+ MIPS32_SW(8,0,15), /* sw $8,($15) */
- MIPS32_LW(8,NEG16(MIPS32_PRACC_STACK-MIPS32_PRACC_PARAM_IN), 15), //load R8 @ param_in[0] = address
+ MIPS32_LW(8,NEG16(MIPS32_PRACC_STACK-MIPS32_PRACC_PARAM_IN),15), /* load R8 @ param_in[0] = address */
- MIPS32_LW(8,0,8), /* lw $8,0($8), Load $8 with the word @mem[$8] */
- MIPS32_SW(8,NEG16(MIPS32_PRACC_STACK-MIPS32_PRACC_PARAM_OUT),15), /* sw $8,0($9) */
+ MIPS32_LW(8,0,8), /* lw $8,0($8), Load $8 with the word @mem[$8] */
+ MIPS32_SW(8,NEG16(MIPS32_PRACC_STACK-MIPS32_PRACC_PARAM_OUT),15), /* store R8 @ param_out[0] */
- MIPS32_LW(8,0,15), /* lw $8,($15) */
- MIPS32_B(NEG16(9)), //was 17 /* b start */
- MIPS32_MFC0(15,31,0), //this instruction will be executed (MIPS executes instruction after jump) /* move COP0 DeSave to $15 */
- MIPS32_NOP,
+ MIPS32_LW(8,0,15), /* lw $8,($15) */
+ MIPS32_B(NEG16(9)), /* b start */
+ MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
};
int retval = ERROR_OK;
param_in[0] = addr;
if ((retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code,
- ARRAY_SIZE(param_in), param_in, sizeof(uint32_t), buf, 1)) != ERROR_OK)
+ ARRAY_SIZE(param_in), param_in, 1, buf, 1)) != ERROR_OK)
{
return retval;
}
return retval;
}
-int mips32_pracc_read_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint16_t *buf)
+static int mips32_pracc_read_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint16_t *buf)
{
static const uint32_t code[] = {
/* start: */
MIPS32_MTC0(15,31,0), /* move $15 to COP0 DeSave */
- MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
+ MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
MIPS32_ORI(15,15,LOWER16(MIPS32_PRACC_STACK)),
- MIPS32_SW(8,0,15), /* sw $8,($15) */
- MIPS32_SW(9,0,15), /* sw $9,($15) */
- MIPS32_SW(10,0,15), /* sw $10,($15) */
- MIPS32_SW(11,0,15), /* sw $11,($15) */
+ MIPS32_SW(8,0,15), /* sw $8,($15) */
+ MIPS32_SW(9,0,15), /* sw $9,($15) */
+ MIPS32_SW(10,0,15), /* sw $10,($15) */
+ MIPS32_SW(11,0,15), /* sw $11,($15) */
MIPS32_LUI(8,UPPER16(MIPS32_PRACC_PARAM_IN)), /* $8 = MIPS32_PRACC_PARAM_IN */
MIPS32_ORI(8,8,LOWER16(MIPS32_PRACC_PARAM_IN)),
MIPS32_LW(10,4,8), /* $10 = mem[$8 + 4]; read count */
MIPS32_LUI(11,UPPER16(MIPS32_PRACC_PARAM_OUT)), /* $11 = MIPS32_PRACC_PARAM_OUT */
MIPS32_ORI(11,11,LOWER16(MIPS32_PRACC_PARAM_OUT)),
- MIPS32_NOP,
/* loop: */
- MIPS32_BEQ(0,10,9), /* beq 0, $10, end */
+ MIPS32_BEQ(0,10,8), /* beq 0, $10, end */
MIPS32_NOP,
- MIPS32_LHU(8,0,9), /* lw $8,0($9), Load $8 with the halfword @mem[$9] */
- MIPS32_SW(8,0,11), /* sw $8,0($11) */
-
- MIPS32_ADDI(10,10,NEG16(1)), /* $10-- */
- MIPS32_ADDI(9,9,2), /* $9 += 2 */
- MIPS32_ADDI(11,11,4), /* $11 += 4 */
- MIPS32_NOP,
- MIPS32_B(NEG16(9)), /* b loop */
- MIPS32_NOP,
+ MIPS32_LHU(8,0,9), /* lw $8,0($9), Load $8 with the halfword @mem[$9] */
+ MIPS32_SW(8,0,11), /* sw $8,0($11) */
- MIPS32_LW(11,0,15), /* lw $11,($15) */
- MIPS32_LW(10,0,15), /* lw $10,($15) */
- MIPS32_LW(9,0,15), /* lw $9,($15) */
- MIPS32_LW(8,0,15), /* lw $8,($15) */
- MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
- MIPS32_NOP,
- MIPS32_B(NEG16(31)), /* b start */
+ MIPS32_ADDI(10,10,NEG16(1)), /* $10-- */
+ MIPS32_ADDI(9,9,2), /* $9 += 2 */
+ MIPS32_ADDI(11,11,4), /* $11 += 4 */
+ MIPS32_B(NEG16(8)), /* b loop */
MIPS32_NOP,
+ /* end: */
+ MIPS32_LW(11,0,15), /* lw $11,($15) */
+ MIPS32_LW(10,0,15), /* lw $10,($15) */
+ MIPS32_LW(9,0,15), /* lw $9,($15) */
+ MIPS32_LW(8,0,15), /* lw $8,($15) */
+ MIPS32_B(NEG16(27)), /* b start */
+ MIPS32_MFC0(15,30,0), /* move COP0 DeSave to $15 */
};
-// /* TODO remove array */
+ /* TODO remove array */
uint32_t *param_out = malloc(count * sizeof(uint32_t));
int i;
-// int retval;
+ int retval = ERROR_OK;
int blocksize;
int bytesread;
uint32_t param_in[2];
param_in[0] = addr;
param_in[1] = blocksize;
- mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
+ retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code,
ARRAY_SIZE(param_in), param_in, count, param_out, 1);
// count -= blocksize;
free(param_out);
- return ERROR_OK;
+ return retval;
}
-int mips32_pracc_read_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint8_t *buf)
+static int mips32_pracc_read_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint8_t *buf)
{
static const uint32_t code[] = {
/* start: */
MIPS32_MTC0(15,31,0), /* move $15 to COP0 DeSave */
- MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
+ MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
MIPS32_ORI(15,15,LOWER16(MIPS32_PRACC_STACK)),
- MIPS32_SW(8,0,15), /* sw $8,($15) */
- MIPS32_SW(9,0,15), /* sw $9,($15) */
- MIPS32_SW(10,0,15), /* sw $10,($15) */
- MIPS32_SW(11,0,15), /* sw $11,($15) */
+ MIPS32_SW(8,0,15), /* sw $8,($15) */
+ MIPS32_SW(9,0,15), /* sw $9,($15) */
+ MIPS32_SW(10,0,15), /* sw $10,($15) */
+ MIPS32_SW(11,0,15), /* sw $11,($15) */
- MIPS32_LUI(8,UPPER16(MIPS32_PRACC_PARAM_IN)), /* $8 = MIPS32_PRACC_PARAM_IN */
+ MIPS32_LUI(8,UPPER16(MIPS32_PRACC_PARAM_IN)), /* $8 = MIPS32_PRACC_PARAM_IN */
MIPS32_ORI(8,8,LOWER16(MIPS32_PRACC_PARAM_IN)),
- MIPS32_LW(9,0,8), /* $9 = mem[$8]; read addr */
- MIPS32_LW(10,4,8), /* $10 = mem[$8 + 4]; read count */
- MIPS32_LUI(11,UPPER16(MIPS32_PRACC_PARAM_OUT)), /* $11 = MIPS32_PRACC_PARAM_OUT */
+ MIPS32_LW(9,0,8), /* $9 = mem[$8]; read addr */
+ MIPS32_LW(10,4,8), /* $10 = mem[$8 + 4]; read count */
+ MIPS32_LUI(11,UPPER16(MIPS32_PRACC_PARAM_OUT)), /* $11 = MIPS32_PRACC_PARAM_OUT */
MIPS32_ORI(11,11,LOWER16(MIPS32_PRACC_PARAM_OUT)),
- MIPS32_NOP,
/* loop: */
- MIPS32_BEQ(0,10,9), /* beq 0, $10, end */
+ MIPS32_BEQ(0,10,8), /* beq 0, $10, end */
MIPS32_NOP,
- MIPS32_LBU(8,0,9), /* lw $8,0($9), Load t4 with the byte @mem[t1] */
- MIPS32_SW(8,0,11), /* sw $8,0($11) */
+ MIPS32_LBU(8,0,9), /* lw $8,0($9), Load t4 with the byte @mem[t1] */
+ MIPS32_SW(8,0,11), /* sw $8,0($11) */
- MIPS32_ADDI(10,10,NEG16(1)), /* $10-- */
- MIPS32_ADDI(9,9,1), /* $9 += 1 */
- MIPS32_ADDI(11,11,4), /* $11 += 4 */
- MIPS32_NOP,
- MIPS32_B(NEG16(9)), /* b loop */
+ MIPS32_ADDI(10,10,NEG16(1)), /* $10-- */
+ MIPS32_ADDI(9,9,1), /* $9 += 1 */
+ MIPS32_ADDI(11,11,4), /* $11 += 4 */
+ MIPS32_B(NEG16(8)), /* b loop */
MIPS32_NOP,
/* end: */
- MIPS32_LW(11,0,15), /* lw $11,($15) */
- MIPS32_LW(10,0,15), /* lw $10,($15) */
- MIPS32_LW(9,0,15), /* lw $9,($15) */
- MIPS32_LW(8,0,15), /* lw $8,($15) */
+ MIPS32_LW(11,0,15), /* lw $11,($15) */
+ MIPS32_LW(10,0,15), /* lw $10,($15) */
+ MIPS32_LW(9,0,15), /* lw $9,($15) */
+ MIPS32_LW(8,0,15), /* lw $8,($15) */
+ MIPS32_B(NEG16(27)), /* b start */
MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
- MIPS32_NOP,
- MIPS32_B(NEG16(31)), /* b start */
- MIPS32_NOP,
};
-// /* TODO remove array */
+ /* TODO remove array */
uint32_t *param_out = malloc(count * sizeof(uint32_t));
int i;
-// int retval;
+ int retval = ERROR_OK;
int blocksize;
int bytesread;
uint32_t param_in[2];
param_in[0] = addr;
param_in[1] = blocksize;
- mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
+ retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code,
ARRAY_SIZE(param_in), param_in, count, param_out, 1);
// count -= blocksize;
free(param_out);
- return ERROR_OK;
+ return retval;
}
int mips32_pracc_write_mem(struct mips_ejtag *ejtag_info, uint32_t addr, int size, int count, void *buf)
return ERROR_OK;
}
-int mips32_pracc_write_mem32(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint32_t *buf)
+static int mips32_pracc_write_mem32(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint32_t *buf)
{
-
-//NC: use destination pointer as loop counter (last address is in $10)
static const uint32_t code[] = {
/* start: */
MIPS32_MTC0(15,31,0), /* move $15 to COP0 DeSave */
- MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
+ MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
MIPS32_ORI(15,15,LOWER16(MIPS32_PRACC_STACK)),
- MIPS32_SW(8,0,15), /* sw $8,($15) */
- MIPS32_SW(9,0,15), /* sw $9,($15) */
- MIPS32_SW(10,0,15), /* sw $10,($15) */
- MIPS32_SW(11,0,15), /* sw $11,($15) */
-
- MIPS32_ADDI(8,15,NEG16(MIPS32_PRACC_STACK-MIPS32_PRACC_PARAM_IN)), //$8= MIPS32_PRACC_PARAM_IN
- MIPS32_LW(9,0,8), /* Load write addr to $9 */
- MIPS32_LW(10,4,8), //last address /* Load write count to $10 */
- MIPS32_ADDI(8,8,8), // $8 += 8 beginning of data
-
-//loop:
- MIPS32_LW(11,0,8), /* lw $11,0($8), Load $11 with the word @mem[$8] */
- MIPS32_SW(11,0,9), /* sw $11,0($9) */
-
- MIPS32_ADDI(9,9,4), /* $9 += 4 */
- MIPS32_BNE(10,9,NEG16(4)), //was 9 BNE $10, 9, loop /* b loop */
- MIPS32_ADDI(8,8,4), //this instruction is part of the loop (one delay slot)! /* $8 += 4 */
+ MIPS32_SW(8,0,15), /* sw $8,($15) */
+ MIPS32_SW(9,0,15), /* sw $9,($15) */
+ MIPS32_SW(10,0,15), /* sw $10,($15) */
+ MIPS32_SW(11,0,15), /* sw $11,($15) */
+
+ MIPS32_ADDI(8,15,NEG16(MIPS32_PRACC_STACK-MIPS32_PRACC_PARAM_IN)), /* $8= MIPS32_PRACC_PARAM_IN */
+ MIPS32_LW(9,0,8), /* Load write addr to $9 */
+ MIPS32_LW(10,4,8), /* Load write count to $10 */
+ MIPS32_ADDI(8,8,8), /* $8 += 8 beginning of data */
+
+ /* loop: */
+ MIPS32_LW(11,0,8), /* lw $11,0($8), Load $11 with the word @mem[$8] */
+ MIPS32_SW(11,0,9), /* sw $11,0($9) */
+
+ MIPS32_ADDI(9,9,4), /* $9 += 4 */
+ MIPS32_BNE(10,9,NEG16(4)), /* bne $10, $9, loop */
+ MIPS32_ADDI(8,8,4), /* $8 += 4 */
+
/* end: */
- MIPS32_LW(11,0,15), /* lw $11,($15) */
- MIPS32_LW(10,0,15), /* lw $10,($15) */
- MIPS32_LW(9,0,15), /* lw $9,($15) */
- MIPS32_LW(8,0,15), /* lw $8,($15) */
- MIPS32_B(NEG16(21)), //was 30 /* b start */
+ MIPS32_LW(11,0,15), /* lw $11,($15) */
+ MIPS32_LW(10,0,15), /* lw $10,($15) */
+ MIPS32_LW(9,0,15), /* lw $9,($15) */
+ MIPS32_LW(8,0,15), /* lw $8,($15) */
+ MIPS32_B(NEG16(21)), /* b start */
MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
- MIPS32_NOP, //this one will not be executed
};
/* TODO remove array */
uint32_t *param_in = malloc((count + 2) * sizeof(uint32_t));
param_in[0] = addr;
- param_in[1] = addr + count * sizeof(uint32_t); //last address
+ param_in[1] = addr + (count * sizeof(uint32_t)); /* last address */
memcpy(¶m_in[2], buf, count * sizeof(uint32_t));
- mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
+ int retval;
+ retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code,
count + 2, param_in, 0, NULL, 1);
free(param_in);
- return ERROR_OK;
+ return retval;
}
-int mips32_pracc_write_u32(struct mips_ejtag *ejtag_info, uint32_t addr, uint32_t *buf)
+static int mips32_pracc_write_u32(struct mips_ejtag *ejtag_info, uint32_t addr, uint32_t *buf)
{
static const uint32_t code[] = {
/* start: */
MIPS32_MTC0(15,31,0), /* move $15 to COP0 DeSave */
- MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
+ MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
MIPS32_ORI(15,15,LOWER16(MIPS32_PRACC_STACK)),
- MIPS32_SW(8,0,15), /* sw $8,($15) */
- MIPS32_SW(9,0,15), /* sw $9,($15) */
+ MIPS32_SW(8,0,15), /* sw $8,($15) */
+ MIPS32_SW(9,0,15), /* sw $9,($15) */
- MIPS32_LW(8,NEG16((MIPS32_PRACC_STACK-MIPS32_PRACC_PARAM_IN)-4), 15), //load R8 @ param_in[1] = data
- MIPS32_LW(9,NEG16(MIPS32_PRACC_STACK-MIPS32_PRACC_PARAM_IN), 15), //load R9 @ param_in[0] = address
+ MIPS32_LW(8,NEG16((MIPS32_PRACC_STACK-MIPS32_PRACC_PARAM_IN)-4), 15), /* load R8 @ param_in[1] = data */
+ MIPS32_LW(9,NEG16(MIPS32_PRACC_STACK-MIPS32_PRACC_PARAM_IN), 15), /* load R9 @ param_in[0] = address */
- MIPS32_SW(8,0,9), /* sw $8,0($9) */
+ MIPS32_SW(8,0,9), /* sw $8,0($9) */
- MIPS32_LW(9,0,15), /* lw $9,($15) */
- MIPS32_LW(8,0,15), /* lw $8,($15) */
+ MIPS32_LW(9,0,15), /* lw $9,($15) */
+ MIPS32_LW(8,0,15), /* lw $8,($15) */
MIPS32_B(NEG16(11)), /* b start */
- MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
- MIPS32_NOP,
+ MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
};
/* TODO remove array */
param_in[0] = addr;
param_in[1] = *buf;
- mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
- ARRAY_SIZE(param_in),param_in, 0, NULL, 1);
-
- return ERROR_OK;
+ return mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code,
+ ARRAY_SIZE(param_in), param_in, 0, NULL, 1);
}
-int mips32_pracc_write_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint16_t *buf)
+static int mips32_pracc_write_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint16_t *buf)
{
static const uint32_t code[] = {
/* start: */
MIPS32_MTC0(15,31,0), /* move $15 to COP0 DeSave */
- MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
+ MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
MIPS32_ORI(15,15,LOWER16(MIPS32_PRACC_STACK)),
- MIPS32_SW(8,0,15), /* sw $8,($15) */
- MIPS32_SW(9,0,15), /* sw $9,($15) */
- MIPS32_SW(10,0,15), /* sw $10,($15) */
- MIPS32_SW(11,0,15), /* sw $11,($15) */
+ MIPS32_SW(8,0,15), /* sw $8,($15) */
+ MIPS32_SW(9,0,15), /* sw $9,($15) */
+ MIPS32_SW(10,0,15), /* sw $10,($15) */
+ MIPS32_SW(11,0,15), /* sw $11,($15) */
- MIPS32_LUI(8,UPPER16(MIPS32_PRACC_PARAM_IN)), /* $8 = MIPS32_PRACC_PARAM_IN */
+ MIPS32_LUI(8,UPPER16(MIPS32_PRACC_PARAM_IN)), /* $8 = MIPS32_PRACC_PARAM_IN */
MIPS32_ORI(8,8,LOWER16(MIPS32_PRACC_PARAM_IN)),
- MIPS32_LW(9,0,8), /* Load write addr to $9 */
- MIPS32_LW(10,4,8), /* Load write count to $10 */
- MIPS32_ADDI(8,8,8), /* $8 += 8 */
- MIPS32_NOP,
+ MIPS32_LW(9,0,8), /* Load write addr to $9 */
+ MIPS32_LW(10,4,8), /* Load write count to $10 */
+ MIPS32_ADDI(8,8,8), /* $8 += 8 */
/* loop: */
- MIPS32_BEQ(0,10,9), /* beq $0, $10, end */
+ MIPS32_BEQ(0,10,8), /* beq $0, $10, end */
MIPS32_NOP,
- MIPS32_LW(11,0,8), /* lw $11,0($8), Load $11 with the word @mem[$8] */
- MIPS32_SH(11,0,9), /* sh $11,0($9) */
+ MIPS32_LW(11,0,8), /* lw $11,0($8), Load $11 with the word @mem[$8] */
+ MIPS32_SH(11,0,9), /* sh $11,0($9) */
- MIPS32_ADDI(10,10,NEG16(1)), /* $10-- */
- MIPS32_ADDI(9,9,2), /* $9 += 2 */
- MIPS32_ADDI(8,8,4), /* $8 += 4 */
+ MIPS32_ADDI(10,10,NEG16(1)), /* $10-- */
+ MIPS32_ADDI(9,9,2), /* $9 += 2 */
+ MIPS32_ADDI(8,8,4), /* $8 += 4 */
- MIPS32_NOP,
- MIPS32_B(NEG16(9)), /* b loop */
+ MIPS32_B(NEG16(8)), /* b loop */
MIPS32_NOP,
/* end: */
- MIPS32_LW(11,0,15), /* lw $11,($15) */
- MIPS32_LW(10,0,15), /* lw $10,($15) */
- MIPS32_LW(9,0,15), /* lw $9,($15) */
- MIPS32_LW(8,0,15), /* lw $8,($15) */
+ MIPS32_LW(11,0,15), /* lw $11,($15) */
+ MIPS32_LW(10,0,15), /* lw $10,($15) */
+ MIPS32_LW(9,0,15), /* lw $9,($15) */
+ MIPS32_LW(8,0,15), /* lw $8,($15) */
+ MIPS32_B(NEG16(26)), /* b start */
MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
- MIPS32_NOP,
- MIPS32_B(NEG16(30)), /* b start */
- MIPS32_NOP,
};
/* TODO remove array */
param_in[i + 2] = buf[i];
}
- mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
+ int retval;
+ retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code,
count + 2, param_in, 0, NULL, 1);
free(param_in);
- return ERROR_OK;
+ return retval;
}
-int mips32_pracc_write_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint8_t *buf)
+static int mips32_pracc_write_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint8_t *buf)
{
static const uint32_t code[] = {
/* start: */
MIPS32_MTC0(15,31,0), /* move $15 to COP0 DeSave */
- MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
+ MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
MIPS32_ORI(15,15,LOWER16(MIPS32_PRACC_STACK)),
- MIPS32_SW(8,0,15), /* sw $8,($15) */
- MIPS32_SW(9,0,15), /* sw $9,($15) */
- MIPS32_SW(10,0,15), /* sw $10,($15) */
- MIPS32_SW(11,0,15), /* sw $11,($15) */
+ MIPS32_SW(8,0,15), /* sw $8,($15) */
+ MIPS32_SW(9,0,15), /* sw $9,($15) */
+ MIPS32_SW(10,0,15), /* sw $10,($15) */
+ MIPS32_SW(11,0,15), /* sw $11,($15) */
- MIPS32_LUI(8,UPPER16(MIPS32_PRACC_PARAM_IN)), /* $8 = MIPS32_PRACC_PARAM_IN */
+ MIPS32_LUI(8,UPPER16(MIPS32_PRACC_PARAM_IN)), /* $8 = MIPS32_PRACC_PARAM_IN */
MIPS32_ORI(8,8,LOWER16(MIPS32_PRACC_PARAM_IN)),
- MIPS32_LW(9,0,8), /* Load write addr to $9 */
- MIPS32_LW(10,4,8), /* Load write count to $10 */
- MIPS32_ADDI(8,8,8), /* $8 += 8 */
- MIPS32_NOP,
+ MIPS32_LW(9,0,8), /* Load write addr to $9 */
+ MIPS32_LW(10,4,8), /* Load write count to $10 */
+ MIPS32_ADDI(8,8,8), /* $8 += 8 */
/* loop: */
- MIPS32_BEQ(0,10,9), /* beq $0, $10, end */
+ MIPS32_BEQ(0,10,8), /* beq $0, $10, end */
MIPS32_NOP,
- MIPS32_LW(11,0,8), /* lw $11,0($8), Load $11 with the word @mem[$8] */
- MIPS32_SB(11,0,9), /* sb $11,0($9) */
+ MIPS32_LW(11,0,8), /* lw $11,0($8), Load $11 with the word @mem[$8] */
+ MIPS32_SB(11,0,9), /* sb $11,0($9) */
- MIPS32_ADDI(10,10,NEG16(1)), /* $10-- */
- MIPS32_ADDI(9,9,1), /* $9 += 1 */
- MIPS32_ADDI(8,8,4), /* $8 += 4 */
+ MIPS32_ADDI(10,10,NEG16(1)), /* $10-- */
+ MIPS32_ADDI(9,9,1), /* $9 += 1 */
+ MIPS32_ADDI(8,8,4), /* $8 += 4 */
- MIPS32_NOP,
- MIPS32_B(NEG16(9)), /* b loop */
+ MIPS32_B(NEG16(8)), /* b loop */
MIPS32_NOP,
/* end: */
- MIPS32_LW(11,0,15), /* lw $11,($15) */
- MIPS32_LW(10,0,15), /* lw $10,($15) */
- MIPS32_LW(9,0,15), /* lw $9,($15) */
- MIPS32_LW(8,0,15), /* lw $8,($15) */
+ MIPS32_LW(11,0,15), /* lw $11,($15) */
+ MIPS32_LW(10,0,15), /* lw $10,($15) */
+ MIPS32_LW(9,0,15), /* lw $9,($15) */
+ MIPS32_LW(8,0,15), /* lw $8,($15) */
+ MIPS32_B(NEG16(26)), /* b start */
MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
- MIPS32_NOP,
- MIPS32_B(NEG16(30)), /* b start */
- MIPS32_NOP,
};
/* TODO remove array */
param_in[i + 2] = buf[i];
}
- retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
- count +2, param_in, 0, NULL, 1);
+ retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code,
+ count + 2, param_in, 0, NULL, 1);
free(param_in);
{
static const uint32_t code[] = {
/* start: */
- MIPS32_LUI(2,UPPER16(MIPS32_PRACC_PARAM_IN)), /* $2 = MIPS32_PRACC_PARAM_IN */
+ MIPS32_LUI(2,UPPER16(MIPS32_PRACC_PARAM_IN)), /* $2 = MIPS32_PRACC_PARAM_IN */
MIPS32_ORI(2,2,LOWER16(MIPS32_PRACC_PARAM_IN)),
- MIPS32_LW(1,1*4,2), /* lw $1,1*4($2) */
- MIPS32_LW(15,15*4,2), /* lw $15,15*4($2) */
+ MIPS32_LW(1,1*4,2), /* lw $1,1*4($2) */
+ MIPS32_LW(15,15*4,2), /* lw $15,15*4($2) */
MIPS32_MTC0(15,31,0), /* move $15 to COP0 DeSave */
- MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
+ MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
MIPS32_ORI(15,15,LOWER16(MIPS32_PRACC_STACK)),
- MIPS32_SW(1,0,15), /* sw $1,($15) */
- MIPS32_LUI(1,UPPER16(MIPS32_PRACC_PARAM_IN)), /* $1 = MIPS32_PRACC_PARAM_IN */
+ MIPS32_SW(1,0,15), /* sw $1,($15) */
+ MIPS32_LUI(1,UPPER16(MIPS32_PRACC_PARAM_IN)), /* $1 = MIPS32_PRACC_PARAM_IN */
MIPS32_ORI(1,1,LOWER16(MIPS32_PRACC_PARAM_IN)),
- MIPS32_LW(3,3*4,1), /* lw $3,3*4($1) */
- MIPS32_LW(4,4*4,1), /* lw $4,4*4($1) */
- MIPS32_LW(5,5*4,1), /* lw $5,5*4($1) */
- MIPS32_LW(6,6*4,1), /* lw $6,6*4($1) */
- MIPS32_LW(7,7*4,1), /* lw $7,7*4($1) */
- MIPS32_LW(8,8*4,1), /* lw $8,8*4($1) */
- MIPS32_LW(9,9*4,1), /* lw $9,9*4($1) */
- MIPS32_LW(10,10*4,1), /* lw $10,10*4($1) */
- MIPS32_LW(11,11*4,1), /* lw $11,11*4($1) */
- MIPS32_LW(12,12*4,1), /* lw $12,12*4($1) */
- MIPS32_LW(13,13*4,1), /* lw $13,13*4($1) */
- MIPS32_LW(14,14*4,1), /* lw $14,14*4($1) */
- MIPS32_LW(16,16*4,1), /* lw $16,16*4($1) */
- MIPS32_LW(17,17*4,1), /* lw $17,17*4($1) */
- MIPS32_LW(18,18*4,1), /* lw $18,18*4($1) */
- MIPS32_LW(19,19*4,1), /* lw $19,19*4($1) */
- MIPS32_LW(20,20*4,1), /* lw $20,20*4($1) */
- MIPS32_LW(21,21*4,1), /* lw $21,21*4($1) */
- MIPS32_LW(22,22*4,1), /* lw $22,22*4($1) */
- MIPS32_LW(23,23*4,1), /* lw $23,23*4($1) */
- MIPS32_LW(24,24*4,1), /* lw $24,24*4($1) */
- MIPS32_LW(25,25*4,1), /* lw $25,25*4($1) */
- MIPS32_LW(26,26*4,1), /* lw $26,26*4($1) */
- MIPS32_LW(27,27*4,1), /* lw $27,27*4($1) */
- MIPS32_LW(28,28*4,1), /* lw $28,28*4($1) */
- MIPS32_LW(29,29*4,1), /* lw $29,29*4($1) */
- MIPS32_LW(30,30*4,1), /* lw $30,30*4($1) */
- MIPS32_LW(31,31*4,1), /* lw $31,31*4($1) */
-
- MIPS32_LW(2,32*4,1), /* lw $2,32*4($1) */
+ MIPS32_LW(3,3*4,1), /* lw $3,3*4($1) */
+ MIPS32_LW(4,4*4,1), /* lw $4,4*4($1) */
+ MIPS32_LW(5,5*4,1), /* lw $5,5*4($1) */
+ MIPS32_LW(6,6*4,1), /* lw $6,6*4($1) */
+ MIPS32_LW(7,7*4,1), /* lw $7,7*4($1) */
+ MIPS32_LW(8,8*4,1), /* lw $8,8*4($1) */
+ MIPS32_LW(9,9*4,1), /* lw $9,9*4($1) */
+ MIPS32_LW(10,10*4,1), /* lw $10,10*4($1) */
+ MIPS32_LW(11,11*4,1), /* lw $11,11*4($1) */
+ MIPS32_LW(12,12*4,1), /* lw $12,12*4($1) */
+ MIPS32_LW(13,13*4,1), /* lw $13,13*4($1) */
+ MIPS32_LW(14,14*4,1), /* lw $14,14*4($1) */
+ MIPS32_LW(16,16*4,1), /* lw $16,16*4($1) */
+ MIPS32_LW(17,17*4,1), /* lw $17,17*4($1) */
+ MIPS32_LW(18,18*4,1), /* lw $18,18*4($1) */
+ MIPS32_LW(19,19*4,1), /* lw $19,19*4($1) */
+ MIPS32_LW(20,20*4,1), /* lw $20,20*4($1) */
+ MIPS32_LW(21,21*4,1), /* lw $21,21*4($1) */
+ MIPS32_LW(22,22*4,1), /* lw $22,22*4($1) */
+ MIPS32_LW(23,23*4,1), /* lw $23,23*4($1) */
+ MIPS32_LW(24,24*4,1), /* lw $24,24*4($1) */
+ MIPS32_LW(25,25*4,1), /* lw $25,25*4($1) */
+ MIPS32_LW(26,26*4,1), /* lw $26,26*4($1) */
+ MIPS32_LW(27,27*4,1), /* lw $27,27*4($1) */
+ MIPS32_LW(28,28*4,1), /* lw $28,28*4($1) */
+ MIPS32_LW(29,29*4,1), /* lw $29,29*4($1) */
+ MIPS32_LW(30,30*4,1), /* lw $30,30*4($1) */
+ MIPS32_LW(31,31*4,1), /* lw $31,31*4($1) */
+
+ MIPS32_LW(2,32*4,1), /* lw $2,32*4($1) */
MIPS32_MTC0(2,12,0), /* move $2 to status */
- MIPS32_LW(2,33*4,1), /* lw $2,33*4($1) */
+ MIPS32_LW(2,33*4,1), /* lw $2,33*4($1) */
MIPS32_MTLO(2), /* move $2 to lo */
- MIPS32_LW(2,34*4,1), /* lw $2,34*4($1) */
+ MIPS32_LW(2,34*4,1), /* lw $2,34*4($1) */
MIPS32_MTHI(2), /* move $2 to hi */
- MIPS32_LW(2,35*4,1), /* lw $2,35*4($1) */
+ MIPS32_LW(2,35*4,1), /* lw $2,35*4($1) */
MIPS32_MTC0(2,8,0), /* move $2 to badvaddr */
- MIPS32_LW(2,36*4,1), /* lw $2,36*4($1) */
+ MIPS32_LW(2,36*4,1), /* lw $2,36*4($1) */
MIPS32_MTC0(2,13,0), /* move $2 to cause*/
- MIPS32_LW(2,37*4,1), /* lw $2,37*4($1) */
- MIPS32_MTC0(2,24,0), /* move $2 to pc */
+ MIPS32_LW(2,37*4,1), /* lw $2,37*4($1) */
+ MIPS32_MTC0(2,24,0), /* move $2 to depc (pc) */
- MIPS32_LW(2,2*4,1), /* lw $2,2*4($1) */
- MIPS32_LW(1,0,15), /* lw $1,($15) */
+ MIPS32_LW(2,2*4,1), /* lw $2,2*4($1) */
+ MIPS32_LW(1,0,15), /* lw $1,($15) */
+ MIPS32_B(NEG16(53)), /* b start */
MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
- MIPS32_NOP,
- MIPS32_B(NEG16(55)), /* b start */
- MIPS32_NOP,
};
int retval;
- retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
- 38, regs, 0, NULL, 1);
+ retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code,
+ MIPS32NUMCOREREGS, regs, 0, NULL, 1);
return retval;
}
static const uint32_t code[] = {
/* start: */
MIPS32_MTC0(2,31,0), /* move $2 to COP0 DeSave */
- MIPS32_LUI(2,UPPER16(MIPS32_PRACC_PARAM_OUT)), /* $2 = MIPS32_PRACC_PARAM_OUT */
+ MIPS32_LUI(2,UPPER16(MIPS32_PRACC_PARAM_OUT)), /* $2 = MIPS32_PRACC_PARAM_OUT */
MIPS32_ORI(2,2,LOWER16(MIPS32_PRACC_PARAM_OUT)),
MIPS32_SW(0,0*4,2), /* sw $0,0*4($2) */
- MIPS32_SW(1,1*4,2), /* sw $1,1*4($2) */
- MIPS32_SW(15,15*4,2), /* sw $15,15*4($2) */
+ MIPS32_SW(1,1*4,2), /* sw $1,1*4($2) */
+ MIPS32_SW(15,15*4,2), /* sw $15,15*4($2) */
MIPS32_MFC0(2,31,0), /* move COP0 DeSave to $2 */
MIPS32_MTC0(15,31,0), /* move $15 to COP0 DeSave */
- MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
+ MIPS32_LUI(15,UPPER16(MIPS32_PRACC_STACK)), /* $15 = MIPS32_PRACC_STACK */
MIPS32_ORI(15,15,LOWER16(MIPS32_PRACC_STACK)),
- MIPS32_SW(1,0,15), /* sw $1,($15) */
- MIPS32_SW(2,0,15), /* sw $2,($15) */
- MIPS32_LUI(1,UPPER16(MIPS32_PRACC_PARAM_OUT)), /* $1 = MIPS32_PRACC_PARAM_OUT */
+ MIPS32_SW(1,0,15), /* sw $1,($15) */
+ MIPS32_SW(2,0,15), /* sw $2,($15) */
+ MIPS32_LUI(1,UPPER16(MIPS32_PRACC_PARAM_OUT)), /* $1 = MIPS32_PRACC_PARAM_OUT */
MIPS32_ORI(1,1,LOWER16(MIPS32_PRACC_PARAM_OUT)),
- MIPS32_SW(2,2*4,1), /* sw $2,2*4($1) */
- MIPS32_SW(3,3*4,1), /* sw $3,3*4($1) */
- MIPS32_SW(4,4*4,1), /* sw $4,4*4($1) */
- MIPS32_SW(5,5*4,1), /* sw $5,5*4($1) */
- MIPS32_SW(6,6*4,1), /* sw $6,6*4($1) */
- MIPS32_SW(7,7*4,1), /* sw $7,7*4($1) */
- MIPS32_SW(8,8*4,1), /* sw $8,8*4($1) */
- MIPS32_SW(9,9*4,1), /* sw $9,9*4($1) */
- MIPS32_SW(10,10*4,1), /* sw $10,10*4($1) */
- MIPS32_SW(11,11*4,1), /* sw $11,11*4($1) */
- MIPS32_SW(12,12*4,1), /* sw $12,12*4($1) */
- MIPS32_SW(13,13*4,1), /* sw $13,13*4($1) */
- MIPS32_SW(14,14*4,1), /* sw $14,14*4($1) */
- MIPS32_SW(16,16*4,1), /* sw $16,16*4($1) */
- MIPS32_SW(17,17*4,1), /* sw $17,17*4($1) */
- MIPS32_SW(18,18*4,1), /* sw $18,18*4($1) */
- MIPS32_SW(19,19*4,1), /* sw $19,19*4($1) */
- MIPS32_SW(20,20*4,1), /* sw $20,20*4($1) */
- MIPS32_SW(21,21*4,1), /* sw $21,21*4($1) */
- MIPS32_SW(22,22*4,1), /* sw $22,22*4($1) */
- MIPS32_SW(23,23*4,1), /* sw $23,23*4($1) */
- MIPS32_SW(24,24*4,1), /* sw $24,24*4($1) */
- MIPS32_SW(25,25*4,1), /* sw $25,25*4($1) */
- MIPS32_SW(26,26*4,1), /* sw $26,26*4($1) */
- MIPS32_SW(27,27*4,1), /* sw $27,27*4($1) */
- MIPS32_SW(28,28*4,1), /* sw $28,28*4($1) */
- MIPS32_SW(29,29*4,1), /* sw $29,29*4($1) */
- MIPS32_SW(30,30*4,1), /* sw $30,30*4($1) */
- MIPS32_SW(31,31*4,1), /* sw $31,31*4($1) */
+ MIPS32_SW(2,2*4,1), /* sw $2,2*4($1) */
+ MIPS32_SW(3,3*4,1), /* sw $3,3*4($1) */
+ MIPS32_SW(4,4*4,1), /* sw $4,4*4($1) */
+ MIPS32_SW(5,5*4,1), /* sw $5,5*4($1) */
+ MIPS32_SW(6,6*4,1), /* sw $6,6*4($1) */
+ MIPS32_SW(7,7*4,1), /* sw $7,7*4($1) */
+ MIPS32_SW(8,8*4,1), /* sw $8,8*4($1) */
+ MIPS32_SW(9,9*4,1), /* sw $9,9*4($1) */
+ MIPS32_SW(10,10*4,1), /* sw $10,10*4($1) */
+ MIPS32_SW(11,11*4,1), /* sw $11,11*4($1) */
+ MIPS32_SW(12,12*4,1), /* sw $12,12*4($1) */
+ MIPS32_SW(13,13*4,1), /* sw $13,13*4($1) */
+ MIPS32_SW(14,14*4,1), /* sw $14,14*4($1) */
+ MIPS32_SW(16,16*4,1), /* sw $16,16*4($1) */
+ MIPS32_SW(17,17*4,1), /* sw $17,17*4($1) */
+ MIPS32_SW(18,18*4,1), /* sw $18,18*4($1) */
+ MIPS32_SW(19,19*4,1), /* sw $19,19*4($1) */
+ MIPS32_SW(20,20*4,1), /* sw $20,20*4($1) */
+ MIPS32_SW(21,21*4,1), /* sw $21,21*4($1) */
+ MIPS32_SW(22,22*4,1), /* sw $22,22*4($1) */
+ MIPS32_SW(23,23*4,1), /* sw $23,23*4($1) */
+ MIPS32_SW(24,24*4,1), /* sw $24,24*4($1) */
+ MIPS32_SW(25,25*4,1), /* sw $25,25*4($1) */
+ MIPS32_SW(26,26*4,1), /* sw $26,26*4($1) */
+ MIPS32_SW(27,27*4,1), /* sw $27,27*4($1) */
+ MIPS32_SW(28,28*4,1), /* sw $28,28*4($1) */
+ MIPS32_SW(29,29*4,1), /* sw $29,29*4($1) */
+ MIPS32_SW(30,30*4,1), /* sw $30,30*4($1) */
+ MIPS32_SW(31,31*4,1), /* sw $31,31*4($1) */
MIPS32_MFC0(2,12,0), /* move status to $2 */
- MIPS32_SW(2,32*4,1), /* sw $2,32*4($1) */
+ MIPS32_SW(2,32*4,1), /* sw $2,32*4($1) */
MIPS32_MFLO(2), /* move lo to $2 */
- MIPS32_SW(2,33*4,1), /* sw $2,33*4($1) */
+ MIPS32_SW(2,33*4,1), /* sw $2,33*4($1) */
MIPS32_MFHI(2), /* move hi to $2 */
- MIPS32_SW(2,34*4,1), /* sw $2,34*4($1) */
+ MIPS32_SW(2,34*4,1), /* sw $2,34*4($1) */
MIPS32_MFC0(2,8,0), /* move badvaddr to $2 */
- MIPS32_SW(2,35*4,1), /* sw $2,35*4($1) */
+ MIPS32_SW(2,35*4,1), /* sw $2,35*4($1) */
MIPS32_MFC0(2,13,0), /* move cause to $2 */
- MIPS32_SW(2,36*4,1), /* sw $2,36*4($1) */
- MIPS32_MFC0(2,24,0), /* move pc to $2 */
- MIPS32_SW(2,37*4,1), /* sw $2,37*4($1) */
+ MIPS32_SW(2,36*4,1), /* sw $2,36*4($1) */
+ MIPS32_MFC0(2,24,0), /* move depc (pc) to $2 */
+ MIPS32_SW(2,37*4,1), /* sw $2,37*4($1) */
- MIPS32_LW(2,0,15), /* lw $2,($15) */
- MIPS32_LW(1,0,15), /* lw $1,($15) */
+ MIPS32_LW(2,0,15), /* lw $2,($15) */
+ MIPS32_LW(1,0,15), /* lw $1,($15) */
+ MIPS32_B(NEG16(58)), /* b start */
MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
- MIPS32_NOP,
- MIPS32_B(NEG16(60)), /* b start */
- MIPS32_NOP,
};
int retval;
- retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
- 0, NULL, 38, regs, 1);
+ retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code,
+ 0, NULL, MIPS32NUMCOREREGS, regs, 1);
return retval;
}
* 3. data ...
*/
int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_area *source,
- int write, uint32_t addr, int count, uint32_t *buf)
+ int write_t, uint32_t addr, int count, uint32_t *buf)
{
uint32_t handler_code[] = {
/* caution when editing, table is modified below */
MIPS32_ORI(15,15,LOWER16(MIPS32_PRACC_TEXT)),
MIPS32_JR(15), /* jr start */
MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
- MIPS32_NOP,
};
uint32_t jmp_code[] = {
MIPS32_NOP,
};
-#define JMP_CODE_SIZE (sizeof(jmp_code)/sizeof(jmp_code[0]))
-#define HANDLER_CODE_SIZE sizeof(handler_code)/sizeof(handler_code[0])
-
int retval, i;
uint32_t val, ejtag_ctrl, address;
if (source->size < MIPS32_FASTDATA_HANDLER_SIZE)
return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
- if (write)
+ if (write_t)
{
handler_code[8] = MIPS32_LW(11,0,8); /* load data from probe at fastdata area */
handler_code[9] = MIPS32_SW(11,0,9); /* store data to RAM @ r9 */
}
/* write program into RAM */
- mips32_pracc_write_mem32(ejtag_info, source->address, HANDLER_CODE_SIZE, handler_code);
-
- /* quick verify RAM is working */
- mips32_pracc_read_u32(ejtag_info, source->address, &val);
- if (val != handler_code[0])
+ if (write_t != ejtag_info->fast_access_save)
{
- LOG_ERROR("fastdata handler verify failed\n");
- return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
+ mips32_pracc_write_mem32(ejtag_info, source->address, ARRAY_SIZE(handler_code), handler_code);
+ /* save previous operation to speed to any consecutive read/writes */
+ ejtag_info->fast_access_save = write_t;
}
- LOG_INFO("%s using 0x%.8x for write handler\n", __func__, source->address);
+ LOG_DEBUG("%s using 0x%.8" PRIx32 " for write handler", __func__, source->address);
jmp_code[1] |= UPPER16(source->address);
jmp_code[2] |= LOWER16(source->address);
- for (i = 0; i < (int) JMP_CODE_SIZE; i++)
+ for (i = 0; i < (int) ARRAY_SIZE(jmp_code); i++)
{
if ((retval = wait_for_pracc_rw(ejtag_info, &ejtag_ctrl)) != ERROR_OK)
return retval;
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA, NULL);
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA);
mips_ejtag_drscan_32(ejtag_info, &jmp_code[i]);
/* Clear the access pending bit (let the processor eat!) */
-
ejtag_ctrl = ejtag_info->ejtag_ctrl & ~EJTAG_CTRL_PRACC;
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL);
mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl);
}
/* next fetch to dmseg should be in FASTDATA_AREA, check */
address = 0;
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL);
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS);
mips_ejtag_drscan_32(ejtag_info, &address);
if (address != MIPS32_PRACC_FASTDATA_AREA)
/* Send the load start address */
val = addr;
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_FASTDATA, NULL);
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_FASTDATA);
mips_ejtag_fastdata_scan(ejtag_info, 1, &val);
/* Send the load end address */
val = addr + (count - 1) * 4;
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_FASTDATA, NULL);
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_FASTDATA);
mips_ejtag_fastdata_scan(ejtag_info, 1, &val);
for (i = 0; i < count; i++)
{
/* Send the data out using fastdata (clears the access pending bit) */
- if ((retval = mips_ejtag_fastdata_scan(ejtag_info, write, buf++)) != ERROR_OK)
+ if ((retval = mips_ejtag_fastdata_scan(ejtag_info, write_t, buf++)) != ERROR_OK)
return retval;
}
return retval;
address = 0;
- mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL);
+ mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS);
mips_ejtag_drscan_32(ejtag_info, &address);
if (address != MIPS32_PRACC_TEXT)
- LOG_ERROR("mini program did not return to start\n");
+ LOG_ERROR("mini program did not return to start");
return retval;
}
Code Review / openocd.git / blobdiff