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Fix accessing to mapped memory.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2023-01-12 20:03:21 +01:00
parent 4c5ce3d257
commit 4d06c0fc3d
3 changed files with 18 additions and 8 deletions
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3
src/fs/flash.c
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@@ -53,6 +53,7 @@ extern int flash_program_halfword (uintptr_t addr, uint16_t data);
extern int flash_program_uintptr(uintptr_t, uintptr_t);
extern uintptr_t flash_read_uintptr(uintptr_t addr);
extern uint16_t flash_read_uint16(uintptr_t addr);
extern uint8_t *flash_read(uintptr_t addr);
extern void low_flash_available();
@@ -133,7 +134,7 @@ int flash_write_data_to_file_offset(file_t *file, const uint8_t *data, uint16_t
flash_clear_file(file);
if (offset > 0) {
old_data = (uint8_t *)calloc(1, offset+len);
memcpy(old_data, file->data+sizeof(uint16_t), offset);
memcpy(old_data, flash_read((uintptr_t)(file->data+sizeof(uint16_t))), offset);
memcpy(old_data+offset, data, len);
len = offset+len;
data = old_data;