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MIPS: merge mips fast_data patch from David N. Claffey

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Signed-off-by: Spencer Oliver <ntfreak@users.sourceforge.net>
This commit is contained in:
David Claffey
2009-12-16 11:23:52 +00:00
committed by Spencer Oliver
parent 95f86e8e05
commit 03e8649bc6
7 changed files with 244 additions and 7 deletions
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47
src/target/mips_m4k.c
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@@ -4,6 +4,8 @@
* *
* Copyright (C) 2008 by David T.L. Wong *
* *
* Copyright (C) 2009 by David N. Claffey <dnclaffey@gmail.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 *
@@ -30,7 +32,6 @@
#include "target_type.h"
#include "register.h"
/* cli handling */
/* forward declarations */
@@ -962,7 +963,49 @@ int mips_m4k_examine(struct target *target)
int mips_m4k_bulk_write_memory(struct target *target, uint32_t address, uint32_t count, uint8_t *buffer)
{
return mips_m4k_write_memory(target, address, 4, count, buffer);
struct mips32_common *mips32 = target->arch_info;
struct mips_ejtag *ejtag_info = &mips32->ejtag_info;
struct working_area *source;
int retval;
int write = 1;
LOG_DEBUG("address: 0x%8.8x, count: 0x%8.8x", address, count);
if (target->state != TARGET_HALTED)
{
LOG_WARNING("target not halted");
return ERROR_TARGET_NOT_HALTED;
}
/* check alignment */
if (address & 0x3u)
return ERROR_TARGET_UNALIGNED_ACCESS;
/* Get memory for block write handler */
retval = target_alloc_working_area(target, MIPS32_FASTDATA_HANDLER_SIZE, &source);
if (retval != ERROR_OK)
{
LOG_WARNING("No working area available, falling back to non-bulk write");
return mips_m4k_write_memory(target, address, 4, count, buffer);
}
/* TAP data register is loaded LSB first (little endian) */
if (target->endianness == TARGET_BIG_ENDIAN)
{
uint32_t i, t32;
for(i = 0; i < (count*4); i+=4)
{
t32 = be_to_h_u32((uint8_t *) &buffer[i]);
h_u32_to_le(&buffer[i], t32);
}
}
retval = mips32_pracc_fastdata_xfer(ejtag_info, source, write, address, count, (uint32_t *) buffer);
if (source)
target_free_working_area(target, source);
return retval;
}
int mips_m4k_checksum_memory(struct target *target, uint32_t address, uint32_t size, uint32_t *checksum)