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Fix assertion failure when reading from address 0.

This commit is contained in:
Tim Newsome 2017-08-09 12:42:17 -07:00
parent 97ea54030c
commit efcfcf555f
1 changed files with 3 additions and 1 deletions
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4
src/target/riscv/riscv-013.c
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@ -1353,12 +1353,14 @@ static int read_memory(struct target *target, target_addr_t address,
riscv_addr_t cur_addr = 0xbadbeef;
riscv_addr_t fin_addr = address + (count * size);
riscv_addr_t prev_addr = ((riscv_addr_t) address) - size;
bool first = true;
LOG_DEBUG("writing until final address 0x%" PRIx64, fin_addr);
while (count > 1 && (cur_addr = riscv_read_debug_buffer_x(target, d_addr)) < fin_addr) {
LOG_DEBUG("transferring burst starting at address 0x%" TARGET_PRIxADDR
" (previous burst was 0x%" TARGET_PRIxADDR ")", cur_addr,
prev_addr);
assert(prev_addr < cur_addr);
assert(first || prev_addr < cur_addr);
first = false;
prev_addr = cur_addr;
riscv_addr_t start = (cur_addr - address) / size;
assert (cur_addr >= address);