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XScale: add stub {read,write}_phys routines 

Just make these fail, instead of letting them write over
potentially random memory.  Users should be able to work
around the lack of real implementations by disbling the
MMU by hand ... until someone provides a Real Fix.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
This commit is contained in:
David Brownell 2009-11-26 12:00:56 -08:00
parent e07ad30577
commit fd5f53f035
1 changed files with 20 additions and 0 deletions
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20
src/target/xscale.c
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@ -1881,6 +1881,15 @@ static int xscale_read_memory(struct target *target, uint32_t address,
return ERROR_OK;
}
static int xscale_read_phys_memory(struct target *target, uint32_t address,
uint32_t size, uint32_t count, uint8_t *buffer)
{
/** \todo: provide a non-stub implementtion of this routine. */
LOG_ERROR("%s: %s is not implemented. Disable MMU?",
target_name(target), __func__);
return ERROR_FAIL;
}
static int xscale_write_memory(struct target *target, uint32_t address,
uint32_t size, uint32_t count, uint8_t *buffer)
{
@ -1959,6 +1968,15 @@ static int xscale_write_memory(struct target *target, uint32_t address,
return ERROR_OK;
}
static int xscale_write_phys_memory(struct target *target, uint32_t address,
uint32_t size, uint32_t count, uint8_t *buffer)
{
/** \todo: provide a non-stub implementtion of this routine. */
LOG_ERROR("%s: %s is not implemented. Disable MMU?",
target_name(target), __func__);
return ERROR_FAIL;
}
static int xscale_bulk_write_memory(struct target *target, uint32_t address,
uint32_t count, uint8_t *buffer)
{
@ -3684,7 +3702,9 @@ struct target_type xscale_target =
.get_gdb_reg_list = armv4_5_get_gdb_reg_list,
.read_memory = xscale_read_memory,
.read_phys_memory = xscale_read_phys_memory,
.write_memory = xscale_write_memory,
.write_phys_memory = xscale_write_phys_memory,
.bulk_write_memory = xscale_bulk_write_memory,
.checksum_memory = arm_checksum_memory,