diff options
| author | Nicolas "Pixel" Noble <pixel@nobis-crew.org> | 2011-01-25 02:47:15 +0100 |
|---|---|---|
| committer | Nicolas "Pixel" Noble <pixel@nobis-crew.org> | 2011-01-25 02:47:15 +0100 |
| commit | f66483699517a8c8e1b12bf52518c84d77a252f9 (patch) | |
| tree | adf0da78d67ac1116cbe59f13baa46cd62cdc047 /arch/arm | |
| parent | 5a597d99c4fa249ff2e097356ee709c3f9724640 (diff) | |
Adding copy of the mutable rom data into its position in ram, and fixing makefiles to have a proper dependency tree on the libraries.
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/lpc17xx/startup.s | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/lpc17xx/startup.s b/arch/arm/lpc17xx/startup.s index ff58b7b..47a2bdf 100644 --- a/arch/arm/lpc17xx/startup.s +++ b/arch/arm/lpc17xx/startup.s @@ -9,6 +9,9 @@ //*** <<< Use Configuration Wizard in Context Menu >>> *** */ + .cpu cortex-m3 + .syntax unified + /* // <h> Stack Configuration @@ -125,6 +128,16 @@ __cs3_interrupt_vector_cortex_m: .type __cs3_reset_cortex_m, %function __cs3_reset_cortex_m: .fnstart + LDR R0, =__rom_data_begin + LDR R1, =__rom_data_end + LDR R2, =__ram_data_begin + B rom_to_ram_copy_check +rom_to_ram_copy_loop: + LDR R3, [R0], #4 + STR R3, [R2], #4 +rom_to_ram_copy_check: + CMP R1, R0 + BCC rom_to_ram_copy_loop LDR R0, =SystemInit BLX R0 LDR R0,=_start |