diff options
Diffstat (limited to 'arch/riscv/lib/cache.c')
| -rw-r--r-- | arch/riscv/lib/cache.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/riscv/lib/cache.c b/arch/riscv/lib/cache.c index 1d67c49c2c0..d642a38a071 100644 --- a/arch/riscv/lib/cache.c +++ b/arch/riscv/lib/cache.c @@ -12,6 +12,16 @@ void flush_dcache_range(unsigned long start, unsigned long end) void invalidate_icache_range(unsigned long start, unsigned long end) { + /* + * RISC-V does not have an instruction for invalidating parts of the + * instruction cache. Invalidate all of it instead. + */ + invalidate_icache_all(); +} + +void invalidate_icache_all(void) +{ + asm volatile ("fence.i" ::: "memory"); } void invalidate_dcache_range(unsigned long start, unsigned long end) |