interesting
/
riscv-openocd
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Merge 96b7d46c45 into 67082829da

This commit is contained in:
Evgeniy Naydanov 2025-03-07 12:58:16 +03:00 committed by GitHub
parent 67082829da 96b7d46c45
commit c1d9ca42e7
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 24 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
src/target/riscv/riscv-013.c
View File

@ -1370,14 +1370,31 @@ static int register_read_progbuf(struct target *target, uint64_t *value,
{
assert(target->state == TARGET_HALTED);
if (number >= GDB_REGNO_FPR0 && number <= GDB_REGNO_FPR31)
return fpr_read_progbuf(target, value, number);
else if (number >= GDB_REGNO_CSR0 && number <= GDB_REGNO_CSR4095)
return csr_read_progbuf(target, value, number);
int res;
if (number >= GDB_REGNO_FPR0 && number <= GDB_REGNO_FPR31) {
res = fpr_read_progbuf(target, value, number);
} else if (number >= GDB_REGNO_CSR0 && number <= GDB_REGNO_CSR4095) {
res = csr_read_progbuf(target, value, number);
} else {
LOG_TARGET_ERROR(target, "Unexpected read of %s via program buffer.",
riscv_reg_gdb_regno_name(target, number));
return ERROR_FAIL;
}
if (res != ERROR_OK)
return res;
LOG_TARGET_ERROR(target, "Unexpected read of %s via program buffer.",
riscv_reg_gdb_regno_name(target, number));
return ERROR_FAIL;
unsigned int size_bits = register_size(target, number);
unsigned int value_bits = sizeof(*value) * CHAR_BIT;
assert(size_bits <= value_bits);
if (size_bits == value_bits || *value >> size_bits == 0)
return ERROR_OK;
LOG_TARGET_WARNING(target, "Value read for register %s of %" PRIx64
" does not fit into the size of the register (%u bits)."
" This is a HW bug. Truncating the value to fit into the register.",
riscv_reg_gdb_regno_name(target, number), *value, size_bits);
*value &= GENMASK_ULL(size_bits - 1U, 0U);
return ERROR_OK;
}
/**