MIPS: optimize pracc access
remove unnecessary nops when accessing ejtag pracc general fastdata patch cleanup Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
This commit is contained in:
Spencer Oliver
parent
faad9e5923
commit
f6412d9c7b
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@ -33,7 +33,6 @@ instruction after a branch instruction (one delay slot).
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For example:
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LW $2, ($5 +10)
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B foo
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LW $1, ($2 +100)
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@ -129,7 +128,7 @@ static int mips32_pracc_exec_read(struct mips32_pracc_context *ctx, uint32_t add
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data = ctx->local_oparam[offset];
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}
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else if ((address >= MIPS32_PRACC_TEXT)
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&& (address <= MIPS32_PRACC_TEXT + ctx->code_len*4))
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&& (address <= MIPS32_PRACC_TEXT + ctx->code_len * 4))
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{
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offset = (address - MIPS32_PRACC_TEXT) / 4;
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data = ctx->code[offset];
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@ -145,7 +144,7 @@ static int mips32_pracc_exec_read(struct mips32_pracc_context *ctx, uint32_t add
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* to start of debug vector */
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data = 0;
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LOG_ERROR("Error reading unexpected address %8.8" PRIx32 "", address);
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LOG_ERROR("Error reading unexpected address 0x%8.8" PRIx32 "", address);
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return ERROR_JTAG_DEVICE_ERROR;
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}
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@ -154,7 +153,6 @@ static int mips32_pracc_exec_read(struct mips32_pracc_context *ctx, uint32_t add
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mips_ejtag_drscan_32(ctx->ejtag_info, &data);
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/* Clear the access pending bit (let the processor eat!) */
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ejtag_ctrl = ejtag_info->ejtag_ctrl & ~EJTAG_CTRL_PRACC;
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mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_CONTROL, NULL);
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mips_ejtag_drscan_32(ctx->ejtag_info, &ejtag_ctrl);
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@ -201,7 +199,7 @@ static int mips32_pracc_exec_write(struct mips32_pracc_context *ctx, uint32_t ad
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}
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else
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{
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LOG_ERROR("Error writing unexpected address %8.8" PRIx32 "", address);
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LOG_ERROR("Error writing unexpected address 0x%8.8" PRIx32 "", address);
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return ERROR_JTAG_DEVICE_ERROR;
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}
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@ -234,8 +232,6 @@ int mips32_pracc_exec(struct mips_ejtag *ejtag_info, int code_len, const uint32_
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mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS, NULL);
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mips_ejtag_drscan_32(ejtag_info, &address);
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// printf("Adres: %.8x\n", address);
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/* Check for read or write */
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if (ejtag_ctrl & EJTAG_CTRL_PRNW)
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{
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@ -305,9 +301,8 @@ int mips32_pracc_read_mem32(struct mips_ejtag *ejtag_info, uint32_t addr, int co
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MIPS32_LW(10,4,8), /* $10 = mem[$8 + 4]; read count */
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MIPS32_LUI(11,UPPER16(MIPS32_PRACC_PARAM_OUT)), /* $11 = MIPS32_PRACC_PARAM_OUT */
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MIPS32_ORI(11,11,LOWER16(MIPS32_PRACC_PARAM_OUT)),
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MIPS32_NOP,
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/* loop: */
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MIPS32_BEQ(0,10,9), /* beq 0, $10, end */
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MIPS32_BEQ(0,10,8), /* beq 0, $10, end */
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MIPS32_NOP,
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MIPS32_LW(8,0,9), /* lw $8,0($9), Load $8 with the word @mem[$9] */
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@ -317,8 +312,7 @@ int mips32_pracc_read_mem32(struct mips_ejtag *ejtag_info, uint32_t addr, int co
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MIPS32_ADDI(9,9,4), /* $1 += 4 */
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MIPS32_ADDI(11,11,4), /* $11 += 4 */
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MIPS32_NOP,
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MIPS32_B(NEG16(9)), /* b loop */
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MIPS32_B(NEG16(8)), /* b loop */
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MIPS32_NOP,
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/* end: */
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MIPS32_LW(11,0,15), /* lw $11,($15) */
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@ -326,8 +320,7 @@ int mips32_pracc_read_mem32(struct mips_ejtag *ejtag_info, uint32_t addr, int co
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MIPS32_LW(9,0,15), /* lw $9,($15) */
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MIPS32_LW(8,0,15), /* lw $8,($15) */
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MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
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MIPS32_NOP,
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MIPS32_B(NEG16(31)), /* b start */
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MIPS32_B(NEG16(28)), /* b start */
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MIPS32_NOP,
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};
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@ -370,15 +363,14 @@ int mips32_pracc_read_u32(struct mips_ejtag *ejtag_info, uint32_t addr, uint32_t
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MIPS32_ORI(15,15,LOWER16(MIPS32_PRACC_STACK)),
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MIPS32_SW(8,0,15), /* sw $8,($15) */
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MIPS32_LW(8,NEG16(MIPS32_PRACC_STACK-MIPS32_PRACC_PARAM_IN), 15), //load R8 @ param_in[0] = address
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MIPS32_LW(8,NEG16(MIPS32_PRACC_STACK-MIPS32_PRACC_PARAM_IN),15), /* load R8 @ param_in[0] = address */
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MIPS32_LW(8,0,8), /* lw $8,0($8), Load $8 with the word @mem[$8] */
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MIPS32_SW(8,NEG16(MIPS32_PRACC_STACK-MIPS32_PRACC_PARAM_OUT),15), /* sw $8,0($9) */
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MIPS32_SW(8,NEG16(MIPS32_PRACC_STACK-MIPS32_PRACC_PARAM_OUT),15), /* store R8 @ param_out[0] */
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MIPS32_LW(8,0,15), /* lw $8,($15) */
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MIPS32_B(NEG16(9)), //was 17 /* b start */
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MIPS32_MFC0(15,31,0), //this instruction will be executed (MIPS executes instruction after jump) /* move COP0 DeSave to $15 */
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MIPS32_NOP,
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MIPS32_B(NEG16(9)), /* b start */
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MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
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};
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int retval = ERROR_OK;
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@ -387,7 +379,7 @@ int mips32_pracc_read_u32(struct mips_ejtag *ejtag_info, uint32_t addr, uint32_t
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param_in[0] = addr;
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if ((retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code,
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ARRAY_SIZE(param_in), param_in, sizeof(uint32_t), buf, 1)) != ERROR_OK)
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ARRAY_SIZE(param_in), param_in, 1, buf, 1)) != ERROR_OK)
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{
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return retval;
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}
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@ -413,9 +405,8 @@ int mips32_pracc_read_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int co
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MIPS32_LW(10,4,8), /* $10 = mem[$8 + 4]; read count */
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MIPS32_LUI(11,UPPER16(MIPS32_PRACC_PARAM_OUT)), /* $11 = MIPS32_PRACC_PARAM_OUT */
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MIPS32_ORI(11,11,LOWER16(MIPS32_PRACC_PARAM_OUT)),
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MIPS32_NOP,
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/* loop: */
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MIPS32_BEQ(0,10,9), /* beq 0, $10, end */
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MIPS32_BEQ(0,10,8), /* beq 0, $10, end */
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MIPS32_NOP,
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MIPS32_LHU(8,0,9), /* lw $8,0($9), Load $8 with the halfword @mem[$9] */
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@ -424,21 +415,19 @@ int mips32_pracc_read_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int co
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MIPS32_ADDI(10,10,NEG16(1)), /* $10-- */
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MIPS32_ADDI(9,9,2), /* $9 += 2 */
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MIPS32_ADDI(11,11,4), /* $11 += 4 */
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MIPS32_B(NEG16(8)), /* b loop */
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MIPS32_NOP,
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MIPS32_B(NEG16(9)), /* b loop */
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MIPS32_NOP,
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/* end: */
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MIPS32_LW(11,0,15), /* lw $11,($15) */
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MIPS32_LW(10,0,15), /* lw $10,($15) */
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MIPS32_LW(9,0,15), /* lw $9,($15) */
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MIPS32_LW(8,0,15), /* lw $8,($15) */
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MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
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MIPS32_NOP,
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MIPS32_B(NEG16(31)), /* b start */
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MIPS32_B(NEG16(28)), /* b start */
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MIPS32_NOP,
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};
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// /* TODO remove array */
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/* TODO remove array */
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uint32_t *param_out = malloc(count * sizeof(uint32_t));
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int i;
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@ -494,9 +483,8 @@ int mips32_pracc_read_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int cou
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MIPS32_LW(10,4,8), /* $10 = mem[$8 + 4]; read count */
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MIPS32_LUI(11,UPPER16(MIPS32_PRACC_PARAM_OUT)), /* $11 = MIPS32_PRACC_PARAM_OUT */
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MIPS32_ORI(11,11,LOWER16(MIPS32_PRACC_PARAM_OUT)),
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MIPS32_NOP,
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/* loop: */
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MIPS32_BEQ(0,10,9), /* beq 0, $10, end */
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MIPS32_BEQ(0,10,8), /* beq 0, $10, end */
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MIPS32_NOP,
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MIPS32_LBU(8,0,9), /* lw $8,0($9), Load t4 with the byte @mem[t1] */
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@ -505,8 +493,7 @@ int mips32_pracc_read_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int cou
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MIPS32_ADDI(10,10,NEG16(1)), /* $10-- */
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MIPS32_ADDI(9,9,1), /* $9 += 1 */
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MIPS32_ADDI(11,11,4), /* $11 += 4 */
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MIPS32_NOP,
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MIPS32_B(NEG16(9)), /* b loop */
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MIPS32_B(NEG16(8)), /* b loop */
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MIPS32_NOP,
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/* end: */
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MIPS32_LW(11,0,15), /* lw $11,($15) */
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@ -514,12 +501,11 @@ int mips32_pracc_read_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int cou
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MIPS32_LW(9,0,15), /* lw $9,($15) */
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MIPS32_LW(8,0,15), /* lw $8,($15) */
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MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
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MIPS32_NOP,
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MIPS32_B(NEG16(31)), /* b start */
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MIPS32_B(NEG16(28)), /* b start */
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MIPS32_NOP,
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};
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// /* TODO remove array */
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/* TODO remove array */
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uint32_t *param_out = malloc(count * sizeof(uint32_t));
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int i;
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@ -577,8 +563,6 @@ int mips32_pracc_write_mem(struct mips_ejtag *ejtag_info, uint32_t addr, int siz
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int mips32_pracc_write_mem32(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint32_t *buf)
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{
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//NC: use destination pointer as loop counter (last address is in $10)
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static const uint32_t code[] = {
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/* start: */
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MIPS32_MTC0(15,31,0), /* move $15 to COP0 DeSave */
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@ -589,32 +573,32 @@ int mips32_pracc_write_mem32(struct mips_ejtag *ejtag_info, uint32_t addr, int c
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MIPS32_SW(10,0,15), /* sw $10,($15) */
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MIPS32_SW(11,0,15), /* sw $11,($15) */
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MIPS32_ADDI(8,15,NEG16(MIPS32_PRACC_STACK-MIPS32_PRACC_PARAM_IN)), //$8= MIPS32_PRACC_PARAM_IN
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MIPS32_ADDI(8,15,NEG16(MIPS32_PRACC_STACK-MIPS32_PRACC_PARAM_IN)), /* $8= MIPS32_PRACC_PARAM_IN */
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MIPS32_LW(9,0,8), /* Load write addr to $9 */
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MIPS32_LW(10,4,8), //last address /* Load write count to $10 */
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MIPS32_ADDI(8,8,8), // $8 += 8 beginning of data
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MIPS32_LW(10,4,8), /* Load write count to $10 */
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MIPS32_ADDI(8,8,8), /* $8 += 8 beginning of data */
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//loop:
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/* loop: */
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MIPS32_LW(11,0,8), /* lw $11,0($8), Load $11 with the word @mem[$8] */
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MIPS32_SW(11,0,9), /* sw $11,0($9) */
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MIPS32_ADDI(9,9,4), /* $9 += 4 */
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MIPS32_BNE(10,9,NEG16(4)), //was 9 BNE $10, 9, loop /* b loop */
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MIPS32_ADDI(8,8,4), //this instruction is part of the loop (one delay slot)! /* $8 += 4 */
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MIPS32_BNE(10,9,NEG16(4)), /* bne $10, $9, loop */
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MIPS32_ADDI(8,8,4), /* $8 += 4 */
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/* end: */
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MIPS32_LW(11,0,15), /* lw $11,($15) */
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MIPS32_LW(10,0,15), /* lw $10,($15) */
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MIPS32_LW(9,0,15), /* lw $9,($15) */
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MIPS32_LW(8,0,15), /* lw $8,($15) */
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MIPS32_B(NEG16(21)), //was 30 /* b start */
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MIPS32_B(NEG16(21)), /* b start */
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MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
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MIPS32_NOP, //this one will not be executed
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};
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/* TODO remove array */
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uint32_t *param_in = malloc((count + 2) * sizeof(uint32_t));
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param_in[0] = addr;
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param_in[1] = addr + count * sizeof(uint32_t); //last address
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param_in[1] = addr + (count * sizeof(uint32_t)); /* last address */
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memcpy(¶m_in[2], buf, count * sizeof(uint32_t));
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@ -636,16 +620,15 @@ int mips32_pracc_write_u32(struct mips_ejtag *ejtag_info, uint32_t addr, uint32_
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MIPS32_SW(8,0,15), /* sw $8,($15) */
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MIPS32_SW(9,0,15), /* sw $9,($15) */
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MIPS32_LW(8,NEG16((MIPS32_PRACC_STACK-MIPS32_PRACC_PARAM_IN)-4), 15), //load R8 @ param_in[1] = data
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MIPS32_LW(9,NEG16(MIPS32_PRACC_STACK-MIPS32_PRACC_PARAM_IN), 15), //load R9 @ param_in[0] = address
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MIPS32_LW(8,NEG16((MIPS32_PRACC_STACK-MIPS32_PRACC_PARAM_IN)-4), 15), /* load R8 @ param_in[1] = data */
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MIPS32_LW(9,NEG16(MIPS32_PRACC_STACK-MIPS32_PRACC_PARAM_IN), 15), /* load R9 @ param_in[0] = address */
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MIPS32_SW(8,0,9), /* sw $8,0($9) */
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MIPS32_LW(9,0,15), /* lw $9,($15) */
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MIPS32_LW(8,0,15), /* lw $8,($15) */
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MIPS32_B(NEG16(11)), /* b start */
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MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
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MIPS32_NOP,
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MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
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};
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/* TODO remove array */
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@ -654,7 +637,7 @@ int mips32_pracc_write_u32(struct mips_ejtag *ejtag_info, uint32_t addr, uint32_
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param_in[1] = *buf;
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mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
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ARRAY_SIZE(param_in),param_in, 0, NULL, 1);
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ARRAY_SIZE(param_in), param_in, 0, NULL, 1);
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return ERROR_OK;
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}
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@ -676,9 +659,8 @@ int mips32_pracc_write_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int c
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MIPS32_LW(9,0,8), /* Load write addr to $9 */
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MIPS32_LW(10,4,8), /* Load write count to $10 */
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MIPS32_ADDI(8,8,8), /* $8 += 8 */
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MIPS32_NOP,
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/* loop: */
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MIPS32_BEQ(0,10,9), /* beq $0, $10, end */
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MIPS32_BEQ(0,10,8), /* beq $0, $10, end */
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MIPS32_NOP,
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MIPS32_LW(11,0,8), /* lw $11,0($8), Load $11 with the word @mem[$8] */
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@ -688,8 +670,7 @@ int mips32_pracc_write_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int c
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MIPS32_ADDI(9,9,2), /* $9 += 2 */
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MIPS32_ADDI(8,8,4), /* $8 += 4 */
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MIPS32_NOP,
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MIPS32_B(NEG16(9)), /* b loop */
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MIPS32_B(NEG16(8)), /* b loop */
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MIPS32_NOP,
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/* end: */
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MIPS32_LW(11,0,15), /* lw $11,($15) */
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@ -697,8 +678,7 @@ int mips32_pracc_write_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int c
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MIPS32_LW(9,0,15), /* lw $9,($15) */
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MIPS32_LW(8,0,15), /* lw $8,($15) */
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MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
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MIPS32_NOP,
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MIPS32_B(NEG16(30)), /* b start */
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MIPS32_B(NEG16(27)), /* b start */
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MIPS32_NOP,
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};
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@ -738,9 +718,8 @@ int mips32_pracc_write_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int co
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MIPS32_LW(9,0,8), /* Load write addr to $9 */
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MIPS32_LW(10,4,8), /* Load write count to $10 */
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MIPS32_ADDI(8,8,8), /* $8 += 8 */
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MIPS32_NOP,
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/* loop: */
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MIPS32_BEQ(0,10,9), /* beq $0, $10, end */
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MIPS32_BEQ(0,10,8), /* beq $0, $10, end */
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MIPS32_NOP,
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MIPS32_LW(11,0,8), /* lw $11,0($8), Load $11 with the word @mem[$8] */
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@ -750,8 +729,7 @@ int mips32_pracc_write_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int co
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MIPS32_ADDI(9,9,1), /* $9 += 1 */
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MIPS32_ADDI(8,8,4), /* $8 += 4 */
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MIPS32_NOP,
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MIPS32_B(NEG16(9)), /* b loop */
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MIPS32_B(NEG16(8)), /* b loop */
|
||||
MIPS32_NOP,
|
||||
/* end: */
|
||||
MIPS32_LW(11,0,15), /* lw $11,($15) */
|
||||
|
|
@ -759,8 +737,7 @@ int mips32_pracc_write_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int co
|
|||
MIPS32_LW(9,0,15), /* lw $9,($15) */
|
||||
MIPS32_LW(8,0,15), /* lw $8,($15) */
|
||||
MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
|
||||
MIPS32_NOP,
|
||||
MIPS32_B(NEG16(30)), /* b start */
|
||||
MIPS32_B(NEG16(27)), /* b start */
|
||||
MIPS32_NOP,
|
||||
};
|
||||
|
||||
|
|
@ -777,7 +754,7 @@ int mips32_pracc_write_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int co
|
|||
}
|
||||
|
||||
retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
|
||||
count +2, param_in, 0, NULL, 1);
|
||||
count + 2, param_in, 0, NULL, 1);
|
||||
|
||||
free(param_in);
|
||||
|
||||
|
|
@ -843,15 +820,14 @@ 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(1,0,15), /* lw $1,($15) */
|
||||
MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
|
||||
MIPS32_NOP,
|
||||
MIPS32_B(NEG16(55)), /* b start */
|
||||
MIPS32_B(NEG16(54)), /* b start */
|
||||
MIPS32_NOP,
|
||||
};
|
||||
|
||||
int retval;
|
||||
|
||||
retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
|
||||
38, regs, 0, NULL, 1);
|
||||
MIPS32NUMCOREREGS, regs, 0, NULL, 1);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
|
@ -920,15 +896,14 @@ int mips32_pracc_read_regs(struct mips_ejtag *ejtag_info, uint32_t *regs)
|
|||
MIPS32_LW(2,0,15), /* lw $2,($15) */
|
||||
MIPS32_LW(1,0,15), /* lw $1,($15) */
|
||||
MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
|
||||
MIPS32_NOP,
|
||||
MIPS32_B(NEG16(60)), /* b start */
|
||||
MIPS32_B(NEG16(59)), /* b start */
|
||||
MIPS32_NOP,
|
||||
};
|
||||
|
||||
int retval;
|
||||
|
||||
retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
|
||||
0, NULL, 38, regs, 1);
|
||||
0, NULL, MIPS32NUMCOREREGS, regs, 1);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
|
@ -970,7 +945,6 @@ int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_are
|
|||
MIPS32_ORI(15,15,LOWER16(MIPS32_PRACC_TEXT)),
|
||||
MIPS32_JR(15), /* jr start */
|
||||
MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
|
||||
MIPS32_NOP,
|
||||
};
|
||||
|
||||
uint32_t jmp_code[] = {
|
||||
|
|
@ -981,9 +955,6 @@ int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_are
|
|||
MIPS32_NOP,
|
||||
};
|
||||
|
||||
#define JMP_CODE_SIZE (sizeof(jmp_code)/sizeof(jmp_code[0]))
|
||||
#define HANDLER_CODE_SIZE sizeof(handler_code)/sizeof(handler_code[0])
|
||||
|
||||
int retval, i;
|
||||
uint32_t val, ejtag_ctrl, address;
|
||||
|
||||
|
|
@ -1002,7 +973,7 @@ int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_are
|
|||
}
|
||||
|
||||
/* write program into RAM */
|
||||
mips32_pracc_write_mem32(ejtag_info, source->address, HANDLER_CODE_SIZE, handler_code);
|
||||
mips32_pracc_write_mem32(ejtag_info, source->address, ARRAY_SIZE(handler_code), handler_code);
|
||||
|
||||
/* quick verify RAM is working */
|
||||
mips32_pracc_read_u32(ejtag_info, source->address, &val);
|
||||
|
|
@ -1017,7 +988,7 @@ int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_are
|
|||
jmp_code[1] |= UPPER16(source->address);
|
||||
jmp_code[2] |= LOWER16(source->address);
|
||||
|
||||
for (i = 0; i < (int) JMP_CODE_SIZE; i++)
|
||||
for (i = 0; i < (int) ARRAY_SIZE(jmp_code); i++)
|
||||
{
|
||||
if ((retval = wait_for_pracc_rw(ejtag_info, &ejtag_ctrl)) != ERROR_OK)
|
||||
return retval;
|
||||
|
|
@ -1026,7 +997,6 @@ int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_are
|
|||
mips_ejtag_drscan_32(ejtag_info, &jmp_code[i]);
|
||||
|
||||
/* Clear the access pending bit (let the processor eat!) */
|
||||
|
||||
ejtag_ctrl = ejtag_info->ejtag_ctrl & ~EJTAG_CTRL_PRACC;
|
||||
mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL, NULL);
|
||||
mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl);
|
||||
|
|
|
|||
|
|
@ -28,7 +28,6 @@
|
|||
#define MIPS32_PRACC_FASTDATA_AREA 0xFF200000
|
||||
#define MIPS32_PRACC_FASTDATA_SIZE 16
|
||||
#define MIPS32_PRACC_TEXT 0xFF200200
|
||||
//#define MIPS32_PRACC_STACK 0xFF2FFFFC
|
||||
#define MIPS32_PRACC_STACK 0xFF204000
|
||||
#define MIPS32_PRACC_PARAM_IN 0xFF201000
|
||||
#define MIPS32_PRACC_PARAM_IN_SIZE 0x1000
|
||||
|
|
|
|||
|
|
@ -139,10 +139,8 @@ int mips_ejtag_step_enable(struct mips_ejtag *ejtag_info)
|
|||
MIPS32_MFC0(1,23,0), /* move COP0 Debug to $1 */
|
||||
MIPS32_ORI(1,1,0x0100), /* set SSt bit in debug reg */
|
||||
MIPS32_MTC0(1,23,0), /* move $1 to COP0 Debug */
|
||||
MIPS32_B(NEG16(5)),
|
||||
MIPS32_MFC0(1,31,0), /* move COP0 DeSave to $1 */
|
||||
MIPS32_NOP,
|
||||
MIPS32_B(NEG16(7)),
|
||||
MIPS32_NOP,
|
||||
};
|
||||
|
||||
mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
|
||||
|
|
@ -165,10 +163,8 @@ int mips_ejtag_step_disable(struct mips_ejtag *ejtag_info)
|
|||
MIPS32_MTC0(1,23,0), /* move $1 to COP0 Debug */
|
||||
MIPS32_LW(2,0,15),
|
||||
MIPS32_LW(1,0,15),
|
||||
MIPS32_B(NEG16(13)),
|
||||
MIPS32_MFC0(15,31,0), /* move COP0 DeSave to $15 */
|
||||
MIPS32_NOP,
|
||||
MIPS32_B(NEG16(15)),
|
||||
MIPS32_NOP,
|
||||
};
|
||||
|
||||
mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
|
||||
|
|
@ -230,10 +226,8 @@ int mips_ejtag_read_debug(struct mips_ejtag *ejtag_info, uint32_t* debug_reg)
|
|||
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_NOP,
|
||||
MIPS32_B(NEG16(14)),
|
||||
MIPS32_NOP,
|
||||
};
|
||||
|
||||
mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
|
||||
|
|
|
|||
|
|
@ -993,14 +993,14 @@ int mips_m4k_bulk_write_memory(struct target *target, uint32_t address, uint32_t
|
|||
if (target->endianness == TARGET_BIG_ENDIAN)
|
||||
{
|
||||
uint32_t i, t32;
|
||||
for(i = 0; i < (count*4); i+=4)
|
||||
for(i = 0; i < (count * 4); i += 4)
|
||||
{
|
||||
t32 = be_to_h_u32((uint8_t *) &buffer[i]);
|
||||
h_u32_to_le(&buffer[i], t32);
|
||||
}
|
||||
}
|
||||
|
||||
retval = mips32_pracc_fastdata_xfer(ejtag_info, source, write, address, count, (uint32_t *) buffer);
|
||||
retval = mips32_pracc_fastdata_xfer(ejtag_info, source, write, address, count, (uint32_t*) buffer);
|
||||
|
||||
if (source)
|
||||
target_free_working_area(target, source);
|
||||
|
|
|
|||
Loading…
Reference in New Issue