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| author | Palmer Dabbelt <palmer@dabbelt.com> | 2017-08-16 12:24:41 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-08-16 12:24:41 -0700 |
| commit | 1b76fd1f1c63dfe4cea93f426434a7384d2bf801 (patch) | |
| tree | 28288d978b3a2071088ced49869ceef817978a3e /v/vm.c | |
| parent | db0bfa223142e56b17dae6d92610f195014bbb80 (diff) | |
| parent | 79e1b562944b5fc1643480dd7aeaa65cd654a326 (diff) | |
| download | env-1b76fd1f1c63dfe4cea93f426434a7384d2bf801.zip env-1b76fd1f1c63dfe4cea93f426434a7384d2bf801.tar.gz env-1b76fd1f1c63dfe4cea93f426434a7384d2bf801.tar.bz2 | |
Merge pull request #4 from riscv/sfence_memory
Inform GCC that "sfence.vma" clobbers memory
Diffstat (limited to 'v/vm.c')
| -rw-r--r-- | v/vm.c | 2 |
1 files changed, 1 insertions, 1 deletions
@@ -22,7 +22,7 @@ static void do_tohost(uint64_t tohost_value) #define pa2kva(pa) ((void*)(pa) - DRAM_BASE - MEGAPAGE_SIZE) #define uva2kva(pa) ((void*)(pa) - MEGAPAGE_SIZE) -#define flush_page(addr) asm volatile ("sfence.vma %0" : : "r" (addr)) +#define flush_page(addr) asm volatile ("sfence.vma %0" : : "r" (addr) : "memory") static uint64_t lfsr63(uint64_t x) { |