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nrf51: use cortexm_run_stub.

This commit is contained in:
Gareth McMullin 2015-03-29 16:31:38 -07:00
parent 810269dce1
commit 012922ed00
1 changed files with 8 additions and 10 deletions
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18
src/nrf51.c
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@ -96,6 +96,9 @@ static const char nrf51_xml_memory_map[] = "<?xml version=\"1.0\"?>"
#define NRF51_PAGE_SIZE 1024 #define NRF51_PAGE_SIZE 1024
#define SRAM_BASE 0x20000000
#define STUB_BUFFER_BASE (SRAM_BASE + 0x28)
static const uint16_t nrf51_flash_write_stub[] = { static const uint16_t nrf51_flash_write_stub[] = {
#include "../flashstub/nrf51.stub" #include "../flashstub/nrf51.stub"
}; };
@ -192,16 +195,11 @@ static int nrf51_flash_write(target *t, uint32_t dest,
if(target_check_error(t)) if(target_check_error(t))
return -1; return -1;
/* Write stub and data to target ram and set PC */ /* Write stub and data to target ram and call stub */
target_mem_write(t, 0x20000000, nrf51_flash_write_stub, 0x28); target_mem_write(t, SRAM_BASE, nrf51_flash_write_stub,
target_mem_write(t, 0x20000028, data, len + 8); sizeof(nrf51_flash_write_stub));
cortexm_pc_write(t, 0x20000000); target_mem_write(t, STUB_BUFFER_BASE, data, len + 8);
if(target_check_error(t)) cortexm_run_stub(t, SRAM_BASE, 0, 0, 0, 0);
return -1;
/* Execute the stub */
target_halt_resume(t, 0);
while(!target_halt_wait(t));
/* Return to read-only */ /* Return to read-only */
target_mem_write32(t, NRF51_NVMC_CONFIG, NRF51_NVMC_CONFIG_REN); target_mem_write32(t, NRF51_NVMC_CONFIG, NRF51_NVMC_CONFIG_REN);