-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_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_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_ORI(11, 11, LOWER16(MIPS32_PRACC_PARAM_OUT)),
- /* loop: */
- 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_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 */
- uint32_t *param_out = malloc(count * sizeof(uint32_t));
- if (param_out == NULL) {
- LOG_ERROR("Out of memory");
- return ERROR_FAIL;
- }
-
- int retval = ERROR_OK;
- int blocksize;
- int hwordsread = 0;
- uint32_t param_in[2];
-
- while (count > 0) {
- blocksize = count;
- if (count > 0x400)
- blocksize = 0x400;
-
- param_in[0] = addr;
- param_in[1] = blocksize;
-
- retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code,
- ARRAY_SIZE(param_in), param_in, blocksize, ¶m_out[hwordsread], 1);
-
- if (retval != ERROR_OK)
- return retval;
-
- count -= blocksize;
- addr += blocksize*sizeof(uint16_t);
- hwordsread += blocksize;
- }
-
- int i;
- for (i = 0; i < hwordsread; i++)
- buf[i] = param_out[i];
-
- free(param_out);
- return retval;
-}
-
-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_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_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_ORI(11, 11, LOWER16(MIPS32_PRACC_PARAM_OUT)),
- /* loop: */
- 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_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_B(NEG16(27)), /* b start */
- MIPS32_MFC0(15, 31, 0), /* move COP0 DeSave to $15 */
- };
-
- /* TODO remove array */
- uint32_t *param_out = malloc(count * sizeof(uint32_t));
- if (param_out == NULL) {
- LOG_ERROR("Out of memory");
- return ERROR_FAIL;
- }
-
- int retval = ERROR_OK;
- int blocksize;
- uint32_t param_in[2];
- int bytesread = 0;
-
- while (count > 0) {
- blocksize = count;
- if (count > 0x400)
- blocksize = 0x400;
-
- param_in[0] = addr;
- param_in[1] = blocksize;
-
- retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code,
- ARRAY_SIZE(param_in), param_in, count, ¶m_out[bytesread], 1);
-
- if (retval != ERROR_OK)
- return retval;
-
- count -= blocksize;
- addr += blocksize;
- bytesread += blocksize;
- }
- int i;
- for (i = 0; i < bytesread; i++)
- buf[i] = param_out[i];
-
- free(param_out);
- return retval;
-}
-