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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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36
src/target/arm720t.c
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@@ -2,6 +2,9 @@
* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* Copyright (C) 2009 by 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 *
@@ -46,6 +49,9 @@ int arm720t_read_phys_memory(struct target_s *target, uint32_t address, uint32_t
int arm720t_write_phys_memory(struct target_s *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
int arm720t_soft_reset_halt(struct target_s *target);
static int arm720t_mrc(target_t *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t *value);
static int arm720t_mcr(target_t *target, int cpnum, uint32_t op1, uint32_t op2, uint32_t CRn, uint32_t CRm, uint32_t value);
target_type_t arm720t_target =
{
.name = "arm720t",
@@ -82,7 +88,9 @@ target_type_t arm720t_target =
.target_create = arm720t_target_create,
.init_target = arm720t_init_target,
.examine = arm7tdmi_examine,
.quit = arm720t_quit
.quit = arm720t_quit,
.mrc = arm720t_mrc,
.mcr = arm720t_mcr,
};
@@ -574,3 +582,29 @@ int arm720t_handle_cp15_command(struct command_context_s *cmd_ctx, char *cmd, ch
return ERROR_OK;
}
static int arm720t_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 arm720t_read_cp15(target, mrc_opcode(cpnum, op1, op2, CRn, CRm), value);
}
static int arm720t_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 arm720t_write_cp15(target, mrc_opcode(cpnum, op1, op2, CRn, CRm), value);
}