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update flash routines for GNU/Linux.

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This commit is contained in:
NIIBE Yutaka
2017-09-27 19:07:14 +09:00
parent e671a539b0
commit bc39f0e582
2 changed files with 36 additions and 2 deletions
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31
mcu/sys-gnu-linux.c
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@@ -19,8 +19,10 @@ const uint8_t sys_version[8] = {
'3', 0, '.', 0, '0', 0,
};
#if defined(USE_SYS3) || defined(USE_SYS_BOARD_ID)
const uint32_t sys_board_id = BOARD_ID;
const uint8_t sys_board_name[] = BOARD_NAME;
#endif
void
set_led (int on)
@@ -33,7 +35,7 @@ static size_t flash_size;
static void * flash_addr;
static int flash_fd;
void
uintptr_t
flash_init (const char *f_name)
{
int fd;
@@ -69,6 +71,8 @@ flash_init (const char *f_name)
flash_path = f_name;
flash_addr = addr;
flash_size = sb.st_size;
return (uintptr_t)addr;
}
void
@@ -93,6 +97,12 @@ flash_program_halfword (uintptr_t addr, uint16_t data)
fprintf (stderr, "flash_program_halfword: addr=%016lx, data=%04x\n", addr, data);
offset = (off_t)(addr - (uintptr_t)flash_addr);
if (offset < 0 || offset >= (off_t)flash_size)
{
perror ("flash_program_halfword");
return 1;
}
offset = lseek (flash_fd, offset, SEEK_SET);
if (offset == (off_t)-1)
{
@@ -119,6 +129,12 @@ flash_erase_page (uintptr_t addr)
fprintf (stderr, "flash_erase_page: addr=%016lx\n", addr);
offset = (off_t)(addr - (uintptr_t)flash_addr);
if (offset < 0 || offset >= (off_t)flash_size)
{
perror ("flash_erase_page");
return 1;
}
offset = lseek (flash_fd, offset, SEEK_SET);
if (offset == (off_t)-1)
{
@@ -139,6 +155,13 @@ flash_check_blank (const uint8_t *p_start, size_t size)
{
const uint8_t *p;
if (p_start < (const uint8_t *)flash_addr
|| p_start + size > (const uint8_t *)flash_addr + flash_size)
{
perror ("flash_check_blank");
return 0;
}
for (p = p_start; p < p_start + size; p++)
if (*p != 0xff)
return 0;
@@ -154,6 +177,12 @@ flash_write (uintptr_t dst_addr, const uint8_t *src, size_t len)
fprintf (stderr, "flash_write: addr=%016lx, %p, %zd\n", dst_addr, src, len);
offset = (off_t)(dst_addr - (uintptr_t)flash_addr);
if (offset < 0 || offset >= (off_t)flash_size)
{
perror ("flash_write");
return 1;
}
offset = lseek (flash_fd, offset, SEEK_SET);
if (offset == (off_t)-1)
{