diff options
| author | Heinrich Schuchardt <heinrich.schuchardt@canonical.com> | 2024-06-16 19:31:04 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2024-07-03 14:44:03 -0600 |
| commit | 2da287ad13e1b488c1c39afc4721d733d6b83cd7 (patch) | |
| tree | 6ca831b5f41a9df85098c1ae51b013c018b06265 | |
| parent | 7d602334f6222d46804e59ba0596607f81f82e07 (diff) | |
arm: implement invalidate_icache_all on ARM11
In EFI sub-system we rely on invalidate_icache_all() to invalidate the
instruction cache after loading binaries. Add the missing implementation on
ARM1136, ARM1176.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
| -rw-r--r-- | arch/arm/cpu/arm11/cpu.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm11/cpu.c b/arch/arm/cpu/arm11/cpu.c index 1e16b89d006..d092c58b520 100644 --- a/arch/arm/cpu/arm11/cpu.c +++ b/arch/arm/cpu/arm11/cpu.c @@ -117,3 +117,15 @@ void enable_caches(void) #endif } #endif + +#if !CONFIG_IS_ENABLED(SYS_ICACHE_OFF) +/* Invalidate entire I-cache */ +void invalidate_icache_all(void) +{ + unsigned long i = 0; + + asm ("mcr p15, 0, %0, c7, c5, 0" : : "r" (i)); +} +#else +void invalidate_icache_all(void) {} +#endif |