- mips32_pracc_exec(ejtag_info, 1, &inst, 0, NULL, 0, NULL, 0);
-
- return ERROR_OK;
-}
-
-int mips_ejtag_read_debug(struct mips_ejtag *ejtag_info, uint32_t* debug_reg)
-{
- /* read ejtag ECR */
- static const uint32_t code[] = {
- 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(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_MFC0(2,23,0), /* move COP0 Debug to $2 */
- MIPS32_SW(2,0,1),
- MIPS32_LW(2,0,15),
- MIPS32_LW(1,0,15),
- MIPS32_B(NEG16(12)),
- MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
- };
-
- mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
- 0, NULL, 1, debug_reg, 1);
-
- return ERROR_OK;