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util/nvmutil: re-add fallback timer rand

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for 1989

enabled via ifdef. not enabled by default.

Signed-off-by: Leah Rowe <leah@libreboot.org>
This commit is contained in:
Leah Rowe
2026-03-19 19:02:59 +00:00
parent 59b9215a97
commit bd5fc60dd9
2 changed files with 103 additions and 5 deletions
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util/nvmutil/include/common.h
+6
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@@ -337,12 +337,18 @@ void set_mac_nib(unsigned long mac_str_pos,
unsigned long mac_byte_pos, unsigned long mac_nib_pos);
unsigned short hextonum(char ch_s);
unsigned long rlong(void);
#if !(defined(FALLBACK_RAND_1989) && \
((FALLBACK_RAND_1989) > 0))
#if defined(__linux__)
#if defined(HAVE_GETRANDOM) || \
defined(HAVE_GETRANDOM_SYSCALL)
int fallback_rand_getrandom(void *buf, size_t len);
#endif
#endif
#else
unsigned long fallback_rand_1989(void);
unsigned long entropy_jitter(void);
#endif
void write_mac_part(unsigned long partnum);
/* Helper functions for command: dump