原始版本

RT_Thread/libcpu/ppc/ppc405/context.h

@@ -0,0 +1,48 @@
+#ifndef __CONTEXT_H__
+#define __CONTEXT_H__
+
+#define MSR_ME      (1<<12)     /* Machine Check Enable */
+#define MSR_EE      (1<<15)     /* External Interrupt Enable */
+#define MSR_CE      (1<<17)     /* Critical Interrupt Enable */
+
+#define GPR0    0
+#define GPR2    4
+#define GPR3    8
+#define GPR4    12
+#define GPR5    16
+#define GPR6    20
+#define GPR7    24
+#define GPR8    28
+#define GPR9    32
+#define GPR10   36
+#define GPR11   40
+#define GPR12   44
+#define GPR13   48
+#define GPR14   52
+#define GPR15   56
+#define GPR16   60
+#define GPR17   64
+#define GPR18   68
+#define GPR19   72
+#define GPR20   76
+#define GPR21   80
+#define GPR22   84
+#define GPR23   88
+#define GPR24   92
+#define GPR25   96
+#define GPR26   100
+#define GPR27   104
+#define GPR28   108
+#define GPR29   112
+#define GPR30   116
+#define GPR31   120
+#define USPRG0  (GPR31 + 4)
+#define CR      (USPRG0 + 4)
+#define XER     (CR + 4)
+#define CTR     (XER + 4)
+#define LR      (CTR + 4)
+#define SRR0    (LR + 4)
+#define SRR1    (SRR0 + 4)
+#define STACK_FRAME_SIZE (SRR1 + 4)
+
+#endif