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mcr/mrc interface work. Implemented for arm926ejs and arm720t. mcr/mrc commands added.

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This commit is contained in:
Øyvind Harboe
2009-10-23 12:38:19 +02:00
parent 18aad44f71
commit 0a1356c9cc
6 changed files with 241 additions and 12 deletions
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28
src/target/arm926ejs.c
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@@ -2,7 +2,7 @@
* Copyright (C) 2007 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* Copyright (C) 2009 by Øyvind Harboe *
* Copyright (C) 2007,2008,2009 by Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* This program is free software; you can redistribute it and/or modify *
@@ -35,7 +35,6 @@
/* cli handling */
int arm926ejs_handle_cp15_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int arm926ejs_handle_cp15i_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int arm926ejs_handle_cache_info_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
int arm926ejs_handle_read_cache_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
@@ -52,6 +51,29 @@ int arm926ejs_write_phys_memory(struct target_s *target, uint32_t address, uint3
static int arm926ejs_virt2phys(struct target_s *target, uint32_t virtual, uint32_t *physical);
static int arm926ejs_mmu(struct target_s *target, int *enabled);
int arm926ejs_cp15_read(target_t *target, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value);
int arm926ejs_cp15_write(target_t *target, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t value);
static int arm926ejs_mrc(target_t *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value)
{
if (cpnum!=15)
{
LOG_ERROR("Only cp15 is supported");
return ERROR_FAIL;
}
return arm926ejs_cp15_read(target, op1, op2, CRn, CRm, value);
}
static int arm926ejs_mcr(target_t *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t value)
{
if (cpnum!=15)
{
LOG_ERROR("Only cp15 is supported");
return ERROR_FAIL;
}
return arm926ejs_cp15_write(target, op1, op2, CRn, CRm, value);
}
target_type_t arm926ejs_target =
{
.name = "arm926ejs",
@@ -94,6 +116,8 @@ target_type_t arm926ejs_target =
.read_phys_memory = arm926ejs_read_phys_memory,
.write_phys_memory = arm926ejs_write_phys_memory,
.mrc = arm926ejs_mrc,
.mcr = arm926ejs_mcr,
};
int arm926ejs_catch_broken_irscan(uint8_t *captured, void *priv, scan_field_t *field)