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Add asm memory barrier before CRC32 to flush write buffer

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FallenSigh
2026-06-24 23:09:06 +08:00
parent afef1f1433
commit 2c8f5d37f3
1 changed files with 1 additions and 0 deletions
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1
sdk/software/examples/asm/user-sample.c
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@@ -212,6 +212,7 @@ int main(void)
} }
/* ── CRC32 over result region ─────────────────────────────── */ /* ── CRC32 over result region ─────────────────────────────── */
__asm__ __volatile__("" ::: "memory"); // flush write buffer
crc = 0xFFFFFFFF; crc = 0xFFFFFFFF;
for (i = 0; i < RESULT_WORDS; i++) { for (i = 0; i < RESULT_WORDS; i++) {
uint32_t w = extram[DST_BASE + i]; uint32_t w = extram[DST_BASE + i];