diff options
Diffstat (limited to 'src/target/arm7_9_common.c')
| -rw-r--r-- | src/target/arm7_9_common.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/target/arm7_9_common.c b/src/target/arm7_9_common.c index 3461da4c..faeed0d2 100644 --- a/src/target/arm7_9_common.c +++ b/src/target/arm7_9_common.c @@ -2659,6 +2659,46 @@ int arm7_9_check_reset(struct target *target) return ERROR_OK; } +int arm7_9_endianness_callback(jtag_callback_data_t pu8_in, + jtag_callback_data_t i_size, jtag_callback_data_t i_be, + jtag_callback_data_t i_flip) +{ + uint8_t *in = (uint8_t *)pu8_in; + int size = (int)i_size; + int be = (int)i_be; + int flip = (int)i_flip; + uint32_t readback; + + switch (size) { + case 4: + readback = le_to_h_u32(in); + if (flip) + readback = flip_u32(readback, 32); + if (be) + h_u32_to_be(in, readback); + else + h_u32_to_le(in, readback); + break; + case 2: + readback = le_to_h_u16(in); + if (flip) + readback = flip_u32(readback, 16); + if (be) + h_u16_to_be(in, readback & 0xffff); + else + h_u16_to_le(in, readback & 0xffff); + break; + case 1: + readback = *in; + if (flip) + readback = flip_u32(readback, 8); + *in = readback & 0xff; + break; + } + + return ERROR_OK; +} + COMMAND_HANDLER(handle_arm7_9_dbgrq_command) { struct target *target = get_current_target(CMD_CTX); |