dearsky/pico-hsm
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The other core needs to be paused. This is funny because it is not documented in anywhere. Lots of hours spent on this.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-01-19 00:55:45 +01:00
parent 189c095f1f
commit 9777219ebb
1 changed files with 12 additions and 9 deletions
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21
low_flash.c
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@@ -12,7 +12,7 @@
#define TOTAL_FLASH_PAGES 4
typedef struct PageFlash {
uint8_t page[FLASH_PAGE_SIZE];
uint8_t page[FLASH_SECTOR_SIZE];
uintptr_t address;
bool ready;
bool erase;
@@ -39,22 +39,25 @@ void do_flash()
{
if (flash_pages[r].ready == true)
{
printf("\r\n");
//printf("WRITTING %X\r\n",flash_pages[r].address-XIP_BASE);
while (multicore_lockout_start_timeout_us(1000) == false);
//printf("WRITTING %X\r\n",flash_pages[r].address-XIP_BASE);
uint32_t ints = save_and_disable_interrupts();
flash_range_erase(flash_pages[r].address-XIP_BASE, FLASH_PAGE_SIZE);
flash_range_program(flash_pages[r].address-XIP_BASE, flash_pages[r].page, FLASH_PAGE_SIZE);
restore_interrupts (ints);
//printf("WRITEN %X !\r\n",flash_pages[r].address);
while (multicore_lockout_end_timeout_us(1000) == false);
//printf("WRITEN %X !\r\n",flash_pages[r].address);
flash_pages[r].ready = false;
ready_pages--;
}
else if (flash_pages[r].erase == true)
{
printf("\r\n");
uint32_t ints = save_and_disable_interrupts();
while (multicore_lockout_start_timeout_us(1000) == false);
printf("WRITTING\r\n");
flash_range_erase(flash_pages[r].address-XIP_BASE, FLASH_PAGE_SIZE);
restore_interrupts (ints);
while (multicore_lockout_end_timeout_us(1000) == false);
flash_pages[r].erase = false;
ready_pages--;
}
@@ -177,8 +180,8 @@ flash_check_blank (const uint8_t *p_start, size_t size)
int
flash_write (uintptr_t dst_addr, const uint8_t *src, size_t len)
{
size_t len_alg = (len + (FLASH_SECTOR_SIZE - 1)) & -FLASH_SECTOR_SIZE;
uintptr_t add_alg = dst_addr & -FLASH_SECTOR_SIZE;
size_t len_alg = (len + (FLASH_PAGE_SIZE - 1)) & -FLASH_PAGE_SIZE;
uintptr_t add_alg = dst_addr & -FLASH_PAGE_SIZE;
printf("WRITE ATTEMPT %X (%d) %X (%d)\r\n",dst_addr,len,add_alg,len_alg);
uint32_t ints = save_and_disable_interrupts();
flash_range_program(add_alg-XIP_BASE, src, len_alg);