From 0cd84000daab056dea61eb9d60cca538a3716acd Mon Sep 17 00:00:00 2001 From: Spencer Oliver Date: Tue, 4 Jan 2011 12:29:49 +0000 Subject: mips32: add fastdata loader working area Add a working area that is preserved between calls to mips_m4k_bulk_write_memory - this gives us a speed increase of approx 3kb/sec during flash writes to the pic32mx. This area is released during a resume/reset. Signed-off-by: Spencer Oliver --- src/target/mips32_pracc.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'src/target/mips32_pracc.c') diff --git a/src/target/mips32_pracc.c b/src/target/mips32_pracc.c index 236f3894..a4ea2d36 100644 --- a/src/target/mips32_pracc.c +++ b/src/target/mips32_pracc.c @@ -985,7 +985,12 @@ int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_are } /* write program into RAM */ - mips32_pracc_write_mem32(ejtag_info, source->address, ARRAY_SIZE(handler_code), handler_code); + if (write_t != ejtag_info->fast_access_save) + { + mips32_pracc_write_mem32(ejtag_info, source->address, ARRAY_SIZE(handler_code), handler_code); + /* save previous operation to speed to any consecutive read/writes */ + ejtag_info->fast_access_save = write_t; + } LOG_DEBUG("%s using 0x%.8" PRIx32 " for write handler", __func__, source->address); -- cgit v1.2.3