am,include,arch: merge riscv*.h into riscv.h

2023-06-30 23:37:45 +08:00 · 2023-06-30 23:37:45 +08:00 · e0ae9b7651
commit e0ae9b7651
parent ad8f8fb636
6 changed files with 10 additions and 44 deletions
--- a/am/include/arch/riscv.h
+++ b/am/include/arch/riscv.h
@ -0,0 +1,21 @@
+#ifndef ARCH_H__
+#define ARCH_H__
+
+struct Context {
+  // TODO: fix the order of these members to match trap.S
+  uintptr_t mepc, mcause, gpr[32], mstatus;
+  void *pdir;
+};
+
+#ifdef __riscv_e
+#define GPR1 gpr[15] // a5
+#else
+#define GPR1 gpr[17] // a7
+#endif
+
+#define GPR2 gpr[0]
+#define GPR3 gpr[0]
+#define GPR4 gpr[0]
+#define GPRx gpr[0]
+
+#endif