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- added "xscale fast_memory_access" which speeds up memory

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access by disabling "unecessary" checks.
- arm926ejs. Added missing type->mmu and type->virt2phys fn's.
 for now these are used by working_area when specifying
 mmu enabled and mmu not enabled address

git-svn-id: svn://svn.berlios.de/openocd/trunk@335 b42882b7-edfa-0310-969c-e2dbd0fdcd60
This commit is contained in:
oharboe
2008-02-24 21:54:09 +00:00
parent e258c6aeb6
commit 8529e7c21e
3 changed files with 123 additions and 10 deletions
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45
src/target/arm926ejs.c
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@@ -53,6 +53,8 @@ int arm926ejs_arch_state(struct target_s *target);
int arm926ejs_read_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer);
int arm926ejs_write_memory(struct target_s *target, u32 address, u32 size, u32 count, u8 *buffer);
int arm926ejs_soft_reset_halt(struct target_s *target);
static int arm926ejs_virt2phys(struct target_s *target, u32 virtual, u32 *physical);
static int arm926ejs_mmu(struct target_s *target, int *enabled);
target_type_t arm926ejs_target =
{
@@ -89,7 +91,9 @@ target_type_t arm926ejs_target =
.register_commands = arm926ejs_register_commands,
.target_command = arm926ejs_target_command,
.init_target = arm926ejs_init_target,
.quit = arm926ejs_quit
.quit = arm926ejs_quit,
.virt2phys = arm926ejs_virt2phys,
.mmu = arm926ejs_mmu
};
@@ -899,3 +903,42 @@ int arm926ejs_handle_mw_phys_command(command_context_t *cmd_ctx, char *cmd, char
return armv4_5_mmu_handle_mw_phys_command(cmd_ctx, cmd, args, argc, target, &arm926ejs->armv4_5_mmu);
}
static int arm926ejs_virt2phys(struct target_s *target, u32 virtual, u32 *physical)
{
int retval;
int type;
u32 cb;
int domain;
u32 ap;
armv4_5_common_t *armv4_5;
arm7_9_common_t *arm7_9;
arm9tdmi_common_t *arm9tdmi;
arm926ejs_common_t *arm926ejs;
retval= arm926ejs_get_arch_pointers(target, &armv4_5, &arm7_9, &arm9tdmi, &arm926ejs);
if (retval != ERROR_OK)
{
return retval;
}
u32 ret = armv4_5_mmu_translate_va(target, &arm926ejs->armv4_5_mmu, virtual, &type, &cb, &domain, &ap);
if (type == -1)
{
return ret;
}
*physical = ret;
return ERROR_OK;
}
static int arm926ejs_mmu(struct target_s *target, int *enabled)
{
armv4_5_common_t *armv4_5 = target->arch_info;
arm926ejs_common_t *arm926ejs = armv4_5->arch_info;
if (target->state != TARGET_HALTED)
{
ERROR("Target not halted");
return ERROR_TARGET_INVALID;
}
*enabled = arm926ejs->armv4_5_mmu.mmu_enabled;
return ERROR_OK;
}