[bsp][art-pi-smart] 关闭内存对齐检查来避免数据访问异常

2026-09-22 03:09:16 +08:00 · 2024-03-29 21:43:57 -04:00
parent d2c12e2da8
commit 9a1996ef59
3 changed files with 25 additions and 42 deletions
@@ -260,6 +260,7 @@ enable_mmu_page_table_early:
    mcr p15, 0, r0, c7, c5, 6    /* bpiall */

    mrc p15, 0, r0, c1, c0, 0
+    bic r0, r0, #0x7                    /* clear bit1~3 */
    orr r0, #((1 << 12) | (1 << 11))    /* instruction cache, branch prediction */
    orr r0, #((1 << 2) | (1 << 0))      /* data cache, mmu enable */
    mcr p15, 0, r0, c1, c0, 0