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MIPS: pracc access tweaks 

reorder the pracc access so we can save a few access cycles

Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
__archive__
Spencer Oliver 2010-01-05 17:43:29 +00:00
parent ba96fc3e9d
commit 9d83df72dc
1 changed files with 8 additions and 15 deletions
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23
src/target/mips32_pracc.c
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@ -319,9 +319,8 @@ int mips32_pracc_read_mem32(struct mips_ejtag *ejtag_info, uint32_t addr, int co
MIPS32_LW(10,0,15), /* lw $10,($15) */ MIPS32_LW(10,0,15), /* lw $10,($15) */
MIPS32_LW(9,0,15), /* lw $9,($15) */ MIPS32_LW(9,0,15), /* lw $9,($15) */
MIPS32_LW(8,0,15), /* lw $8,($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_MFC0(15,31,0), /* move COP0 DeSave to $15 */
MIPS32_B(NEG16(28)), /* b start */
MIPS32_NOP,
}; };
int retval = ERROR_OK; int retval = ERROR_OK;
@ -422,9 +421,8 @@ int mips32_pracc_read_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int co
MIPS32_LW(10,0,15), /* lw $10,($15) */ MIPS32_LW(10,0,15), /* lw $10,($15) */
MIPS32_LW(9,0,15), /* lw $9,($15) */ MIPS32_LW(9,0,15), /* lw $9,($15) */
MIPS32_LW(8,0,15), /* lw $8,($15) */ MIPS32_LW(8,0,15), /* lw $8,($15) */
MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */ MIPS32_B(NEG16(27)), /* b start */
MIPS32_B(NEG16(28)), /* b start */ MIPS32_MFC0(15,30,0), /* move COP0 DeSave to $15 */
MIPS32_NOP,
}; };
/* TODO remove array */ /* TODO remove array */
@ -500,9 +498,8 @@ int mips32_pracc_read_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int cou
MIPS32_LW(10,0,15), /* lw $10,($15) */ MIPS32_LW(10,0,15), /* lw $10,($15) */
MIPS32_LW(9,0,15), /* lw $9,($15) */ MIPS32_LW(9,0,15), /* lw $9,($15) */
MIPS32_LW(8,0,15), /* lw $8,($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_MFC0(15,31,0), /* move COP0 DeSave to $15 */
MIPS32_B(NEG16(28)), /* b start */
MIPS32_NOP,
}; };
/* TODO remove array */ /* TODO remove array */
@ -677,9 +674,8 @@ int mips32_pracc_write_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int c
MIPS32_LW(10,0,15), /* lw $10,($15) */ MIPS32_LW(10,0,15), /* lw $10,($15) */
MIPS32_LW(9,0,15), /* lw $9,($15) */ MIPS32_LW(9,0,15), /* lw $9,($15) */
MIPS32_LW(8,0,15), /* lw $8,($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_MFC0(15,31,0), /* move COP0 DeSave to $15 */
MIPS32_B(NEG16(27)), /* b start */
MIPS32_NOP,
}; };
/* TODO remove array */ /* TODO remove array */
@ -736,9 +732,8 @@ int mips32_pracc_write_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int co
MIPS32_LW(10,0,15), /* lw $10,($15) */ MIPS32_LW(10,0,15), /* lw $10,($15) */
MIPS32_LW(9,0,15), /* lw $9,($15) */ MIPS32_LW(9,0,15), /* lw $9,($15) */
MIPS32_LW(8,0,15), /* lw $8,($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_MFC0(15,31,0), /* move COP0 DeSave to $15 */
MIPS32_B(NEG16(27)), /* b start */
MIPS32_NOP,
}; };
/* TODO remove array */ /* TODO remove array */
@ -819,9 +814,8 @@ int mips32_pracc_write_regs(struct mips_ejtag *ejtag_info, uint32_t *regs)
MIPS32_LW(2,2*4,1), /* lw $2,2*4($1) */ MIPS32_LW(2,2*4,1), /* lw $2,2*4($1) */
MIPS32_LW(1,0,15), /* lw $1,($15) */ 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_MFC0(15,31,0), /* move COP0 DeSave to $15 */
MIPS32_B(NEG16(54)), /* b start */
MIPS32_NOP,
}; };
int retval; int retval;
@ -895,9 +889,8 @@ int mips32_pracc_read_regs(struct mips_ejtag *ejtag_info, uint32_t *regs)
MIPS32_LW(2,0,15), /* lw $2,($15) */ MIPS32_LW(2,0,15), /* lw $2,($15) */
MIPS32_LW(1,0,15), /* lw $1,($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_MFC0(15,31,0), /* move COP0 DeSave to $15 */
MIPS32_B(NEG16(59)), /* b start */
MIPS32_NOP,
}; };
int retval; int retval;