X-Git-Url: https://review.openocd.org/gitweb?a=blobdiff_plain;f=src%2Ftarget%2Fmips_m4k.c;h=4adc1f193c39818d91a715819afceb32cb659338;hb=fccb812f829e55940e26466c4cda8c25765d4f6c;hp=864ede072a4453233cef1c54df190f6060fb4262;hpb=1d4a09c2ef22dc10ec8a40183b8dd1b1102af20d;p=openocd.git

diff --git a/src/target/mips_m4k.c b/src/target/mips_m4k.c
index 864ede072a..4adc1f193c 100644
--- a/src/target/mips_m4k.c
+++ b/src/target/mips_m4k.c
@@ -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 */
@@ -41,7 +42,6 @@ int mips_m4k_resume(struct target *target, int current, uint32_t address, int ha
 int mips_m4k_step(struct target *target, int current, uint32_t address, int handle_breakpoints);
 int mips_m4k_read_memory(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
 int mips_m4k_write_memory(struct target *target, uint32_t address, uint32_t size, uint32_t count, uint8_t *buffer);
-int mips_m4k_register_commands(struct command_context *cmd_ctx);
 int mips_m4k_init_target(struct command_context *cmd_ctx, struct target *target);
 int mips_m4k_target_create(struct target *target, Jim_Interp *interp);
 
@@ -82,7 +82,6 @@ struct target_type mips_m4k_target =
 	.add_watchpoint = mips_m4k_add_watchpoint,
 	.remove_watchpoint = mips_m4k_remove_watchpoint,
 
-	.register_commands = mips_m4k_register_commands,
 	.target_create = mips_m4k_target_create,
 	.init_target = mips_m4k_init_target,
 	.examine = mips_m4k_examine,
@@ -309,7 +308,7 @@ int mips_m4k_assert_reset(struct target *target)
 	target->state = TARGET_RESET;
 	jtag_add_sleep(50000);
 
-	mips32_invalidate_core_regs(target);
+	register_cache_invalidate(mips32->core_cache);
 
 	if (target->reset_halt)
 	{
@@ -410,7 +409,7 @@ int mips_m4k_resume(struct target *target, int current, uint32_t address, int ha
 	target->debug_reason = DBG_REASON_NOTHALTED;
 
 	/* registers are now invalid */
-	mips32_invalidate_core_regs(target);
+	register_cache_invalidate(mips32->core_cache);
 
 	if (!debug_execution)
 	{
@@ -467,7 +466,7 @@ int mips_m4k_step(struct target *target, int current, uint32_t address, int hand
 	mips_ejtag_exit_debug(ejtag_info);
 
 	/* registers are now invalid */
-	mips32_invalidate_core_regs(target);
+	register_cache_invalidate(mips32->core_cache);
 
 	if (breakpoint)
 		mips_m4k_set_breakpoint(target, breakpoint);
@@ -902,14 +901,6 @@ int mips_m4k_write_memory(struct target *target, uint32_t address, uint32_t size
 		return mips32_dmaacc_write_mem(ejtag_info, address, size, count, (void *)buffer);
 }
 
-int mips_m4k_register_commands(struct command_context *cmd_ctx)
-{
-	int retval;
-
-	retval = mips32_register_commands(cmd_ctx);
-	return retval;
-}
-
 int mips_m4k_init_target(struct command_context *cmd_ctx, struct target *target)
 {
 	mips32_build_reg_cache(target);
@@ -972,7 +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)