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| author | Andreas Färber <afaerber@suse.de> | 2016-05-08 20:12:12 +0200 |
|---|---|---|
| committer | Andreas Fritiofson <andreas.fritiofson@gmail.com> | 2016-05-22 15:51:15 +0100 |
| commit | 9728ac3fbacbb80758cfc8c9b2e3bba5865c2a52 (patch) | |
| tree | 1957e997c996b8d4512c07ceb997269aad35a241 /src | |
| parent | 18f7a2d07274d59c1e676455eae48a8aa450c761 (diff) | |
| download | riscv-openocd-9728ac3fbacbb80758cfc8c9b2e3bba5865c2a52.zip riscv-openocd-9728ac3fbacbb80758cfc8c9b2e3bba5865c2a52.tar.gz riscv-openocd-9728ac3fbacbb80758cfc8c9b2e3bba5865c2a52.tar.bz2 | |
armv4_5: Integrate build of checksum code
Add rules to build armv4_5_crc.inc, and convert the code to target
endianness the least intrusive way.
Change-Id: I7452b2c7e679dae14f9cda5f89bc81c16fc12cad
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-on: http://openocd.zylin.com/3473
Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Tested-by: jenkins
Diffstat (limited to 'src')
| -rw-r--r-- | src/target/armv4_5.c | 41 |
1 files changed, 8 insertions, 33 deletions
diff --git a/src/target/armv4_5.c b/src/target/armv4_5.c index e6bfca6..24231e5 100644 --- a/src/target/armv4_5.c +++ b/src/target/armv4_5.c @@ -1425,47 +1425,22 @@ int arm_checksum_memory(struct target *target, uint32_t i; uint32_t exit_var = 0; - /* see contrib/loaders/checksum/armv4_5_crc.s for src */ - - static const uint32_t arm_crc_code[] = { - 0xE1A02000, /* mov r2, r0 */ - 0xE3E00000, /* mov r0, #0xffffffff */ - 0xE1A03001, /* mov r3, r1 */ - 0xE3A04000, /* mov r4, #0 */ - 0xEA00000B, /* b ncomp */ - /* nbyte: */ - 0xE7D21004, /* ldrb r1, [r2, r4] */ - 0xE59F7030, /* ldr r7, CRC32XOR */ - 0xE0200C01, /* eor r0, r0, r1, asl 24 */ - 0xE3A05000, /* mov r5, #0 */ - /* loop: */ - 0xE3500000, /* cmp r0, #0 */ - 0xE1A06080, /* mov r6, r0, asl #1 */ - 0xE2855001, /* add r5, r5, #1 */ - 0xE1A00006, /* mov r0, r6 */ - 0xB0260007, /* eorlt r0, r6, r7 */ - 0xE3550008, /* cmp r5, #8 */ - 0x1AFFFFF8, /* bne loop */ - 0xE2844001, /* add r4, r4, #1 */ - /* ncomp: */ - 0xE1540003, /* cmp r4, r3 */ - 0x1AFFFFF1, /* bne nbyte */ - /* end: */ - 0xe1200070, /* bkpt #0 */ - /* CRC32XOR: */ - 0x04C11DB7 /* .word 0x04C11DB7 */ + static const uint8_t arm_crc_code_le[] = { +#include "../../contrib/loaders/checksum/armv4_5_crc.inc" }; + assert(sizeof(arm_crc_code_le) % 4 == 0); + retval = target_alloc_working_area(target, - sizeof(arm_crc_code), &crc_algorithm); + sizeof(arm_crc_code_le), &crc_algorithm); if (retval != ERROR_OK) return retval; /* convert code into a buffer in target endianness */ - for (i = 0; i < ARRAY_SIZE(arm_crc_code); i++) { + for (i = 0; i < ARRAY_SIZE(arm_crc_code_le) / 4; i++) { retval = target_write_u32(target, crc_algorithm->address + i * sizeof(uint32_t), - arm_crc_code[i]); + le_to_h_u32(&arm_crc_code_le[i * 4])); if (retval != ERROR_OK) goto cleanup; } @@ -1485,7 +1460,7 @@ int arm_checksum_memory(struct target *target, /* armv4 must exit using a hardware breakpoint */ if (arm->is_armv4) - exit_var = crc_algorithm->address + sizeof(arm_crc_code) - 8; + exit_var = crc_algorithm->address + sizeof(arm_crc_code_le) - 8; retval = target_run_algorithm(target, 0, NULL, 2, reg_params, crc_algorithm->address, |