commit 5bfc520dee20f6a7a22a6d31eb710fe865118df0
parent 47299977bfb3559a567edd3771e029dda426e8fa
Author: Matsuda Kenji <info@mtkn.jp>
Date: Mon, 17 Apr 2023 10:38:00 +0900
reprogram flash
Diffstat:
| M | mach.s | | | 22 | ++++++++++++++++++++++ |
1 file changed, 22 insertions(+), 0 deletions(-)
diff --git a/mach.s b/mach.s
@@ -172,6 +172,28 @@ flash_operation:
blx r0
ldrh r0, [r4, #0x14] // rom_func_table
+ ldr r1, =('R' | 'P' << 8) // _flash_enter_cmd_xip()
+ ldrh r2, [r4, #0x18] // rom_table_lookup
+ blx r2
+ mov r3, r0
+ mov r0, #0
+ ldr r1, sram_base
+ mov r2, #1
+ lsl r2, r2, #12
+ add r1, r1, r2
+ ldr r2, =0xdeadbeef
+ str r2, [r1, #0]
+ mov r2, #1
+ lsl r2, r2, #8
+ blx r3
+
+ ldrh r0, [r4, #0x14] // rom_func_table
+ ldr r1, =('F' | 'C' << 8) // _flash_flush_cache()
+ ldrh r2, [r4, #0x18] // rom_table_lookup
+ blx r2
+ blx r0
+
+ ldrh r0, [r4, #0x14] // rom_func_table
ldr r1, =('C' | 'X' << 8) // _flash_enter_cmd_xip()
ldrh r2, [r4, #0x18] // rom_table_lookup
blx r2
