http.js

baremetal/arch/arm/enable_cache.S

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+/* TODO not working on gem5. Maybe we need to flush some pipelines after the sysreg accesses. */
+
+#include <lkmc.h>
+
+#define NELEM 4
+#define ELEM_SIZE 4
+
+.data;
+.align 4
+my_array_1:
+    .word 0x11111111, 0x22222222, 0x33333333, 0x44444444
+my_array_2:
+    .word 0x99999999, 0xAAAAAAAA, 0xBBBBBBBB, 0xCCCCCCCC
+
+LKMC_PROLOGUE
+
+    /* Modify the array. */
+    ldr r4, =my_array_1
+    ldr r5, =0x55555555
+    ldr r6, =0x66666666
+    ldr r7, =0x77777777
+    ldr r8, =0x88888888
+    stmia r4, {r5-r8}
+
+    mrc p15, 0, r0, c1, c0, 0
+    orr r0, r0, (1 << 2)  /* SCTLR.C */
+    orr r0, r0, (1 << 28) /* SCTLR.TRE */
+    mcr p15, 0, r0, c1, c0, 0
+
+    mrc p15, 0, r0, c9, c2, 1
+    orr r0, r0, 1         /* NMRR.IR0 */
+    orr r0, r0, (1 << 16) /* NMRR.OR0 */
+    mcr p15, 0, r0, c9, c2, 1
+
+    /* Modify the again. */
+    ldr r4, =my_array_1
+    ldr r5, =0x99999999
+    ldr r6, =0xAAAAAAAA
+    ldr r7, =0xBBBBBBBB
+    ldr r8, =0xCCCCCCCC
+    stmia r4, {r5-r8}
+
+    /* Verify that my_array_0 changed and is equal to my_array_1. */
+    LKMC_ASSERT_MEMCMP(my_array_1, my_array_2, =0x10)
+
+LKMC_EPILOGUE