mips: code clean up in mips_m4k_debug_entry() function

[fw/openocd] / src / target / mips_ejtag.c

diff --git a/src/target/mips_ejtag.c b/src/target/mips_ejtag.c
index c2bee941d94f4f994322539190cb849b8cbbd2ae..bd7ae14dd70eec587023c277aa607ff7a5c4368c 100644 (file)
--- 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;