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fw: Safer memory functions + asserts

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Introduce memcpy_s() and wordcpy_s() that takes the destination buffer
size as an argument. Use assert() which aborts our program to an
eternal loop if we hit problems.

Sprinkle asserts elsewhere as well.

Signed-off-by: Daniel Lublin <daniel@lublin.se>
This commit is contained in:
Michael Cardell Widerkrantz 2023-02-27 17:00:23 +01:00 • committed by Daniel Lublin
parent f386cec1ed
commit ccc3b16569
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7 changed files with 81 additions and 23 deletions
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4
hw/application_fpga/fw/tk1/lib.h
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@ -15,8 +15,8 @@ void htif_putinthex(const uint32_t n);
int htif_puts(const char *s);
void htif_hexdump(uint8_t *buf, int len);
void *memset(void *dest, int c, unsigned n);
void *memcpy(void *dest, const void *src, unsigned n);
void *wordcpy(void *dest, const void *src, unsigned n);
void memcpy_s(void *dest, size_t destsize, const void *src, size_t n);
void wordcpy_s(void *dest, size_t destsize, const void *src, size_t n);
int memeq(void *dest, const void *src, unsigned n);
#endif