diff options
Diffstat (limited to 'src/target/mips_ejtag.c')
| -rw-r--r-- | src/target/mips_ejtag.c | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/src/target/mips_ejtag.c b/src/target/mips_ejtag.c index c2bee941..bd7ae14d 100644 --- a/src/target/mips_ejtag.c +++ b/src/target/mips_ejtag.c @@ -248,29 +248,6 @@ int mips_ejtag_exit_debug(struct mips_ejtag *ejtag_info) return mips32_pracc_exec(ejtag_info, 1, &inst, 0, NULL, 0, NULL, 0); } -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 */ - }; - - return mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, - 0, NULL, 1, debug_reg, 1); -} - int mips_ejtag_init(struct mips_ejtag *ejtag_info) { uint32_t ejtag_version; |