+/* map psr mode bits to linear number */
+static __inline int armv4_5_mode_to_number(enum armv4_5_mode mode)
+{
+ switch (mode)
+ {
+ case ARMV4_5_MODE_USR: return 0; break;
+ case ARMV4_5_MODE_FIQ: return 1; break;
+ case ARMV4_5_MODE_IRQ: return 2; break;
+ case ARMV4_5_MODE_SVC: return 3; break;
+ case ARMV4_5_MODE_ABT: return 4; break;
+ case ARMV4_5_MODE_UND: return 5; break;
+ case ARMV4_5_MODE_SYS: return 6; break;
+ case ARMV4_5_MODE_ANY: return 0; break; /* map MODE_ANY to user mode */
+ default:
+ LOG_ERROR("invalid mode value encountered");
+ return -1;
+ }
+}
+
+/* map linear number to mode bits */
+static __inline enum armv4_5_mode armv4_5_number_to_mode(int number)
+{
+ switch (number)
+ {
+ case 0: return ARMV4_5_MODE_USR; break;
+ case 1: return ARMV4_5_MODE_FIQ; break;
+ case 2: return ARMV4_5_MODE_IRQ; break;
+ case 3: return ARMV4_5_MODE_SVC; break;
+ case 4: return ARMV4_5_MODE_ABT; break;
+ case 5: return ARMV4_5_MODE_UND; break;
+ case 6: return ARMV4_5_MODE_SYS; break;
+ default:
+ LOG_ERROR("mode index out of bounds");
+ return ARMV4_5_MODE_ANY;
+ }
+};
+
+extern int armv4_5_arch_state(struct target_s *target);