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stm32/mboot: Make _estack an array to avoid compiler warnings.

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The compiler can warn about out-of-bounds array access if _estack is just a
single uint8_t.
This commit is contained in:
Damien George 2019-07-09 11:33:57 +10:00
parent d43dd886a5
commit c8f19f1371
1 changed files with 4 additions and 3 deletions
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7
ports/stm32/mboot/mboot.h
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@ -30,8 +30,9 @@
// Use this to tag global static data in RAM that doesn't need to be zeroed on startup // Use this to tag global static data in RAM that doesn't need to be zeroed on startup
#define SECTION_NOZERO_BSS __attribute__((section(".nozero_bss"))) #define SECTION_NOZERO_BSS __attribute__((section(".nozero_bss")))
#define ELEM_DATA_START (&_estack) #define ELEM_DATA_SIZE (1024)
#define ELEM_DATA_MAX (ELEM_DATA_START + 1024) #define ELEM_DATA_START (&_estack[0])
#define ELEM_DATA_MAX (&_estack[ELEM_DATA_SIZE])
enum { enum {
ELEM_TYPE_END = 1, ELEM_TYPE_END = 1,
@ -48,7 +49,7 @@ typedef struct _fsload_bdev_t {
uint32_t byte_len; uint32_t byte_len;
} fsload_bdev_t; } fsload_bdev_t;
extern uint8_t _estack; extern uint8_t _estack[ELEM_DATA_SIZE];
uint32_t get_le32(const uint8_t *b); uint32_t get_le32(const uint8_t *b);
void led_state_all(unsigned int mask); void led_state_all(unsigned int mask);