diff options
| -rw-r--r-- | src/target/mips32.c | 107 |
1 files changed, 63 insertions, 44 deletions
diff --git a/src/target/mips32.c b/src/target/mips32.c index 5c85fea8..c5b7fbce 100644 --- a/src/target/mips32.c +++ b/src/target/mips32.c @@ -705,47 +705,55 @@ int mips32_checksum_memory(struct target *target, target_addr_t address, struct reg_param reg_params[2]; struct mips32_algorithm mips32_info; - /* see contrib/loaders/checksum/mips32.s for src */ + struct mips32_common *mips32 = target_to_mips32(target); + struct mips_ejtag *ejtag_info = &mips32->ejtag_info; - static const uint32_t mips_crc_code[] = { - 0x248C0000, /* addiu $t4, $a0, 0 */ - 0x24AA0000, /* addiu $t2, $a1, 0 */ - 0x2404FFFF, /* addiu $a0, $zero, 0xffffffff */ - 0x10000010, /* beq $zero, $zero, ncomp */ - 0x240B0000, /* addiu $t3, $zero, 0 */ + /* see contrib/loaders/checksum/mips32.s for src */ + uint32_t isa = ejtag_info->isa ? 1 : 0; + + uint32_t mips_crc_code[] = { + MIPS32_ADDIU(isa, 12, 4, 0), /* addiu $t4, $a0, 0 */ + MIPS32_ADDIU(isa, 10, 5, 0), /* addiu $t2, $a1, 0 */ + MIPS32_ADDIU(isa, 4, 0, 0xFFFF), /* addiu $a0, $zero, 0xffff */ + MIPS32_BEQ(isa, 0, 0, 0x10 << isa), /* beq $zero, $zero, ncomp */ + MIPS32_ADDIU(isa, 11, 0, 0), /* addiu $t3, $zero, 0 */ /* nbyte: */ - 0x81850000, /* lb $a1, ($t4) */ - 0x218C0001, /* addi $t4, $t4, 1 */ - 0x00052E00, /* sll $a1, $a1, 24 */ - 0x3C0204C1, /* lui $v0, 0x04c1 */ - 0x00852026, /* xor $a0, $a0, $a1 */ - 0x34471DB7, /* ori $a3, $v0, 0x1db7 */ - 0x00003021, /* addu $a2, $zero, $zero */ - /* loop: */ - 0x00044040, /* sll $t0, $a0, 1 */ - 0x24C60001, /* addiu $a2, $a2, 1 */ - 0x28840000, /* slti $a0, $a0, 0 */ - 0x01074826, /* xor $t1, $t0, $a3 */ - 0x0124400B, /* movn $t0, $t1, $a0 */ - 0x28C30008, /* slti $v1, $a2, 8 */ - 0x1460FFF9, /* bne $v1, $zero, loop */ - 0x01002021, /* addu $a0, $t0, $zero */ - /* ncomp: */ - 0x154BFFF0, /* bne $t2, $t3, nbyte */ - 0x256B0001, /* addiu $t3, $t3, 1 */ - 0x7000003F, /* sdbbp */ + MIPS32_LB(isa, 5, 0, 12), /* lb $a1, ($t4) */ + MIPS32_ADDI(isa, 12, 12, 1), /* addi $t4, $t4, 1 */ + MIPS32_SLL(isa, 5, 5, 24), /* sll $a1, $a1, 24 */ + MIPS32_LUI(isa, 2, 0x04c1), /* lui $v0, 0x04c1 */ + MIPS32_XOR(isa, 4, 4, 5), /* xor $a0, $a0, $a1 */ + MIPS32_ORI(isa, 7, 2, 0x1db7), /* ori $a3, $v0, 0x1db7 */ + MIPS32_ADDU(isa, 6, 0, 0), /* addu $a2, $zero, $zero */ + /* loop */ + MIPS32_SLL(isa, 8, 4, 1), /* sll $t0, $a0, 1 */ + MIPS32_ADDIU(isa, 6, 6, 1), /* addiu $a2, $a2, 1 */ + MIPS32_SLTI(isa, 4, 4, 0), /* slti $a0, $a0, 0 */ + MIPS32_XOR(isa, 9, 8, 7), /* xor $t1, $t0, $a3 */ + MIPS32_MOVN(isa, 8, 9, 4), /* movn $t0, $t1, $a0 */ + MIPS32_SLTI(isa, 3, 6, 8), /* slti $v1, $a2, 8 */ + MIPS32_BNE(isa, 3, 0, NEG16(7 << isa)), /* bne $v1, $zero, loop */ + MIPS32_ADDU(isa, 4, 8, 0), /* addu $a0, $t0, $zero */ + /* ncomp */ + MIPS32_BNE(isa, 10, 11, NEG16(16 << isa)), /* bne $t2, $t3, nbyte */ + MIPS32_ADDIU(isa, 11, 11, 1), /* addiu $t3, $t3, 1 */ + MIPS32_SDBBP(isa), }; /* make sure we have a working area */ if (target_alloc_working_area(target, sizeof(mips_crc_code), &crc_algorithm) != ERROR_OK) return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; + pracc_swap16_array(ejtag_info, mips_crc_code, ARRAY_SIZE(mips_crc_code)); + /* convert mips crc code into a buffer in target endianness */ uint8_t mips_crc_code_8[sizeof(mips_crc_code)]; target_buffer_set_u32_array(target, mips_crc_code_8, ARRAY_SIZE(mips_crc_code), mips_crc_code); - target_write_buffer(target, crc_algorithm->address, sizeof(mips_crc_code), mips_crc_code_8); + int retval = target_write_buffer(target, crc_algorithm->address, sizeof(mips_crc_code), mips_crc_code_8); + if (retval != ERROR_OK) + return retval; mips32_info.common_magic = MIPS32_COMMON_MAGIC; mips32_info.isa_mode = MIPS32_ISA_MIPS32; @@ -758,9 +766,11 @@ int mips32_checksum_memory(struct target *target, target_addr_t address, int timeout = 20000 * (1 + (count / (1024 * 1024))); - int retval = target_run_algorithm(target, 0, NULL, 2, reg_params, - crc_algorithm->address, crc_algorithm->address + (sizeof(mips_crc_code) - 4), timeout, - &mips32_info); + /* same isa as in debug mode */ + retval = target_run_algorithm(target, 0, NULL, 2, reg_params, + crc_algorithm->address | isa, + (crc_algorithm->address + (sizeof(mips_crc_code) - 4)) | isa, + timeout, &mips32_info); if (retval == ERROR_OK) *checksum = buf_get_u32(reg_params[0].value, 0, 32); @@ -781,32 +791,40 @@ int mips32_blank_check_memory(struct target *target, struct reg_param reg_params[3]; struct mips32_algorithm mips32_info; - static const uint32_t erase_check_code[] = { - /* nbyte: */ - 0x80880000, /* lb $t0, ($a0) */ - 0x00C83024, /* and $a2, $a2, $t0 */ - 0x24A5FFFF, /* addiu $a1, $a1, -1 */ - 0x14A0FFFC, /* bne $a1, $zero, nbyte */ - 0x24840001, /* addiu $a0, $a0, 1 */ - 0x7000003F /* sdbbp */ - }; + struct mips32_common *mips32 = target_to_mips32(target); + struct mips_ejtag *ejtag_info = &mips32->ejtag_info; if (erased_value != 0xff) { LOG_ERROR("Erase value 0x%02" PRIx8 " not yet supported for MIPS32", erased_value); return ERROR_FAIL; } + uint32_t isa = ejtag_info->isa ? 1 : 0; + uint32_t erase_check_code[] = { + /* nbyte: */ + MIPS32_LB(isa, 8, 0, 4), /* lb $t0, ($a0) */ + MIPS32_AND(isa, 6, 6, 8), /* and $a2, $a2, $t0 */ + MIPS32_ADDIU(isa, 5, 5, NEG16(1)), /* addiu $a1, $a1, -1 */ + MIPS32_BNE(isa, 5, 0, NEG16(4 << isa)), /* bne $a1, $zero, nbyte */ + MIPS32_ADDIU(isa, 4, 4, 1), /* addiu $a0, $a0, 1 */ + MIPS32_SDBBP(isa) /* sdbbp */ + }; /* make sure we have a working area */ if (target_alloc_working_area(target, sizeof(erase_check_code), &erase_check_algorithm) != ERROR_OK) return ERROR_TARGET_RESOURCE_NOT_AVAILABLE; + pracc_swap16_array(ejtag_info, erase_check_code, ARRAY_SIZE(erase_check_code)); + /* convert erase check code into a buffer in target endianness */ uint8_t erase_check_code_8[sizeof(erase_check_code)]; target_buffer_set_u32_array(target, erase_check_code_8, ARRAY_SIZE(erase_check_code), erase_check_code); - target_write_buffer(target, erase_check_algorithm->address, sizeof(erase_check_code), erase_check_code_8); + int retval = target_write_buffer(target, erase_check_algorithm->address, + sizeof(erase_check_code), erase_check_code_8); + if (retval != ERROR_OK) + return retval; mips32_info.common_magic = MIPS32_COMMON_MAGIC; mips32_info.isa_mode = MIPS32_ISA_MIPS32; @@ -820,9 +838,10 @@ int mips32_blank_check_memory(struct target *target, init_reg_param(®_params[2], "r6", 32, PARAM_IN_OUT); buf_set_u32(reg_params[2].value, 0, 32, erased_value); - int retval = target_run_algorithm(target, 0, NULL, 3, reg_params, - erase_check_algorithm->address, - erase_check_algorithm->address + (sizeof(erase_check_code) - 4), + /* same isa as in debug mode */ + retval = target_run_algorithm(target, 0, NULL, 3, reg_params, + erase_check_algorithm->address | isa, + (erase_check_algorithm->address + (sizeof(erase_check_code) - 4)) | isa, 10000, &mips32_info); if (retval == ERROR_OK) |