X-Git-Url: https://review.openocd.org/gitweb?p=openocd.git;a=blobdiff_plain;f=src%2Ftarget%2Fxscale.h;h=dd7b034652bc754ef74750fef117cde06ab8f1c9;hp=6cfe76e65b2131a8cb24e1ee5321dd7b4cf7dfda;hb=ccde06a08fbf9c4f57b321dbec0509f73239c2de;hpb=8b994145b849c40b0a195c3fb332b9770b2f9097

diff --git a/src/target/xscale.h b/src/target/xscale.h
index 6cfe76e65b..dd7b034652 100644
--- a/src/target/xscale.h
+++ b/src/target/xscale.h
@@ -29,18 +29,13 @@
 
 #define	XSCALE_COMMON_MAGIC 0x58534341
 
-typedef struct xscale_jtag_s
-{
-	/* position in JTAG scan chain */
-	jtag_tap_t *tap;
-
-	/* IR length and instructions */
-	int ir_length;
-	uint32_t dbgrx;
-	uint32_t dbgtx;
-	uint32_t ldic;
-	uint32_t dcsr;
-} xscale_jtag_t;
+/* These four JTAG instructions are architecturally defined.
+ * Lengths are core-specific; originally 5 bits, later 7.
+ */
+#define XSCALE_DBGRX	0x02
+#define XSCALE_DBGTX	0x10
+#define XSCALE_LDIC	0x07
+#define XSCALE_SELDCSR	0x09
 
 enum xscale_debug_reason
 {
@@ -85,19 +80,15 @@ typedef struct xscale_trace_s
 
 typedef struct xscale_common_s
 {
+	/* armv4/5 common stuff */
+	armv4_5_common_t armv4_5_common;
+
 	int common_magic;
 
 	/* XScale registers (CP15, DBG) */
 	reg_cache_t *reg_cache;
 
-	/* pxa250, pxa255, pxa27x, ixp42x, ... */
-	char *variant;
-
-	xscale_jtag_t jtag_info;
-
 	/* current state of the debug handler */
-	int handler_installed;
-	int handler_running;
 	uint32_t handler_address;
 
 	/* target-endian buffers with exception vectors */
@@ -133,19 +124,20 @@ typedef struct xscale_common_s
 
 	int arch_debug_reason;
 
-	/* armv4/5 common stuff */
-	armv4_5_common_t armv4_5_common;
-
 	/* MMU/Caches */
-	armv4_5_mmu_common_t armv4_5_mmu;
+	struct armv4_5_mmu_common armv4_5_mmu;
 	uint32_t cp15_control_reg;
 
-	/* possible future enhancements that go beyond XScale common stuff */
-	void *arch_info;
-
 	int fast_memory_access;
 } xscale_common_t;
 
+static inline struct xscale_common_s *
+target_to_xscale(struct target_s *target)
+{
+	return container_of(target->arch_info, struct xscale_common_s,
+			armv4_5_common);
+}
+
 typedef struct xscale_reg_s
 {
 	int dbg_handler_number;