Init

sim/tests/common/reloc.h

@@ -0,0 +1,37 @@
+#ifndef RELOC_H
+#define RELOC_H
+
+#if (TCM == 1)
+#define RELOC_PROC              \
+    la    a0, __reloc_start;    \
+    la    a1, __TEXT_START__;   \
+    la    a2, __DATA_END__;     \
+    beq   a0, a1, 21f;          \
+    j     2f;                   \
+1:  lw    a3, 0(a0);            \
+    sw    a3, 0(a1);            \
+    add   a0, a0, 4;            \
+    add   a1, a1, 4;            \
+2:  bne   a1, a2, 1b;           \
+    /* clear bss */             \
+    la    a2, __BSS_START__;    \
+21: la    a1, __BSS_END__;      \
+    j     4f;                   \
+3:  sw    zero, 0(a2);          \
+    add   a2, a2, 4;            \
+4:  bne   a1, a2, 3b;           \
+    /* init stack */            \
+    la    sp, __C_STACK_TOP__;  \
+    /* init hart0 TLS */        \
+    la    a0, _tdata_begin;     \
+    la    a2, _tbss_end;        \
+    sub   a1, a2, a0;           \
+    la    a4, __STACK_START__;  \
+    sub   tp, a4, a1;   
+#else  // #if TCM
+
+#define RELOC_PROC
+
+#endif  // #else #if TCM
+
+#endif  //