* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
+ * Copyright (C) 2007,2008 Øyvind Harboe *
+ * oyvind.harboe@zylin.com *
+ * *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
#ifndef XSCALE_H
#define XSCALE_H
-#include "target.h"
-#include "register.h"
#include "armv4_5.h"
#include "armv4_5_mmu.h"
#include "trace.h"
-#include "image.h"
#define XSCALE_COMMON_MAGIC 0x58534341
typedef struct xscale_jtag_s
{
/* position in JTAG scan chain */
- int chain_pos;
+ jtag_tap_t *tap;
- /* IR length and instructions */
+ /* IR length and instructions */
int ir_length;
- u32 dbgrx;
- u32 dbgtx;
- u32 ldic;
- u32 dcsr;
+ uint32_t dbgrx;
+ uint32_t dbgtx;
+ uint32_t ldic;
+ uint32_t dcsr;
} xscale_jtag_t;
enum xscale_debug_reason
typedef struct xscale_trace_entry_s
{
- u8 data;
+ uint8_t data;
enum xscale_trace_entry_type type;
} xscale_trace_entry_t;
{
xscale_trace_entry_t *entries;
int depth;
- u32 chkpt0;
- u32 chkpt1;
- u32 last_instruction;
+ uint32_t chkpt0;
+ uint32_t chkpt1;
+ uint32_t last_instruction;
struct xscale_trace_data_s *next;
} xscale_trace_data_t;
typedef struct xscale_trace_s
{
trace_status_t capture_status; /* current state of capture run */
- image_t *image; /* source for target opcodes */
+ struct image_s *image; /* source for target opcodes */
xscale_trace_data_t *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;
- u32 current_pc;
+ uint32_t current_pc;
armv4_5_state_t core_state; /* current core state (ARM, Thumb, Jazelle) */
} xscale_trace_t;
typedef struct xscale_common_s
{
int common_magic;
-
+
/* XScale registers (CP15, DBG) */
reg_cache_t *reg_cache;
char *variant;
xscale_jtag_t jtag_info;
-
+
/* current state of the debug handler */
int handler_installed;
int handler_running;
- u32 handler_address;
-
+ uint32_t handler_address;
+
/* target-endian buffers with exception vectors */
- u32 low_vectors[8];
- u32 high_vectors[8];
-
+ uint32_t low_vectors[8];
+ uint32_t high_vectors[8];
+
/* static low vectors */
- u8 static_low_vectors_set; /* bit field with static vectors set by the user */
- u8 static_high_vectors_set; /* bit field with static vectors set by the user */
- u32 static_low_vectors[8];
- u32 static_high_vectors[8];
-
- /* DCache cleaning */
- u32 cache_clean_address;
-
+ uint8_t static_low_vectors_set; /* bit field with static vectors set by the user */
+ uint8_t static_high_vectors_set; /* bit field with static vectors set by the user */
+ uint32_t static_low_vectors[8];
+ uint32_t static_high_vectors[8];
+
+ /* DCache cleaning */
+ uint32_t cache_clean_address;
+
/* whether hold_rst and ext_dbg_break should be set */
int hold_rst;
int external_debug_break;
-
+
/* breakpoint / watchpoint handling */
- int force_hw_bkpts;
int dbr_available;
int dbr0_used;
int dbr1_used;
int ibcr_available;
int ibcr0_used;
int ibcr1_used;
- u32 arm_bkpt;
- u16 thumb_bkpt;
-
- u8 vector_catch;
+ uint32_t arm_bkpt;
+ uint16_t thumb_bkpt;
+
+ uint8_t vector_catch;
xscale_trace_t 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;
- u32 cp15_control_reg;
-
+ uint32_t cp15_control_reg;
+
/* possible future enhancements that go beyond XScale common stuff */
void *arch_info;
+
+ int fast_memory_access;
} xscale_common_t;
typedef struct xscale_reg_s