xscale_trace_t -> struct xscale_trace

[openocd.git] / src / target / xscale.h

diff --git a/src/target/xscale.h b/src/target/xscale.h
index 6cfe76e65b2131a8cb24e1ee5321dd7b4cf7dfda..936782cf3705f85cc7e943ab6b8aff25f96f6350 100644 (file)
--- 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
 {
@@ -55,49 +50,45 @@ enum xscale_trace_entry_type
        XSCALE_TRACE_ADDRESS = 0x1,
 };
 
-typedef struct xscale_trace_entry_s
+struct xscale_trace_entry
 {
        uint8_t data;
        enum xscale_trace_entry_type type;
-} xscale_trace_entry_t;
+};
 
-typedef struct xscale_trace_data_s
+struct xscale_trace_data
 {
-       xscale_trace_entry_t *entries;
+       struct xscale_trace_entry *entries;
        int depth;
        uint32_t chkpt0;
        uint32_t chkpt1;
        uint32_t last_instruction;
-       struct xscale_trace_data_s *next;
-} xscale_trace_data_t;
+       struct xscale_trace_data *next;
+};
 
-typedef struct xscale_trace_s
+struct xscale_trace
 {
        trace_status_t capture_status;  /* current state of capture run */
        struct image_s *image;                                  /* source for target opcodes */
-       xscale_trace_data_t *data;              /* linked list of collected trace data */
+       struct xscale_trace_data *data;         /* linked list of collected trace data */
        int buffer_enabled;                             /* whether trace buffer is enabled */
        int buffer_fill;                                /* maximum number of trace runs to read (-1 for wrap-around) */
        int pc_ok;
        uint32_t current_pc;
        armv4_5_state_t core_state;             /* current core state (ARM, Thumb, Jazelle) */
-} xscale_trace_t;
+};
 
-typedef struct xscale_common_s
+struct xscale_common
 {
+       /* 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;
+       struct reg_cache *reg_cache;
 
        /* current state of the debug handler */
-       int handler_installed;
-       int handler_running;
        uint32_t handler_address;
 
        /* target-endian buffers with exception vectors */
@@ -129,28 +120,29 @@ typedef struct xscale_common_s
 
        uint8_t vector_catch;
 
-       xscale_trace_t trace;
+       struct xscale_trace trace;
 
        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 *
+target_to_xscale(struct target_s *target)
+{
+       return container_of(target->arch_info, struct xscale_common,
+                       armv4_5_common);
+}
 
-typedef struct xscale_reg_s
+struct xscale_reg
 {
        int dbg_handler_number;
        target_t *target;
-} xscale_reg_t;
+};
 
 enum
 {