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fix(esp_system): fix test rodata being prefetched into cache unexpectedly

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wuzhenghui 2024-08-28 15:42:12 +08:00
parent 05e74480f5
commit 71fb3d2f31
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1 changed files with 3 additions and 1 deletions
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components/esp_system/test_apps/cache_panic/main/test_cache_disabled.c
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@ -60,7 +60,9 @@ TEST_CASE("spi_flash_cache_enabled() works on both CPUs", "[spi_flash][esp_flash
// This needs to sufficiently large array, otherwise it may end up in
// DRAM (e.g. size <= 8 bytes && ARCH == RISCV)
static const uint32_t s_in_rodata[8] = { 0x12345678, 0xfedcba98 };
// And it needs to be >= and aligned to the cacheline size, otherwise it may be prefetched
// to cache data memory before accessing it because of accessing other rodata in the same cacheline.
static const __attribute__((aligned(128))) uint32_t s_in_rodata[32] = { 0x12345678, 0xfedcba98 };
static void reset_after_invalid_cache(void)
{