diff options
Diffstat (limited to 'src/arch/riscv/smp.c')
| -rw-r--r-- | src/arch/riscv/smp.c | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/src/arch/riscv/smp.c b/src/arch/riscv/smp.c index 8942ec5b93..b32e4b8694 100644 --- a/src/arch/riscv/smp.c +++ b/src/arch/riscv/smp.c @@ -32,13 +32,13 @@ void smp_pause(int working_hartid) /* waiting for work hart */ do { barrier(); - } while (SYNCA != 0x01234567); + } while (atomic_read(&SYNCA) != 0x01234567); clear_csr(mstatus, MSTATUS_MIE); write_csr(mie, MIP_MSIP); /* count how many cores enter the halt */ - __sync_fetch_and_add(&SYNCB, 1); + atomic_add(&SYNCB, 1); do { barrier(); @@ -49,17 +49,17 @@ void smp_pause(int working_hartid) } else { /* Initialize the counter and * mark the work hart into smp_pause */ - SYNCB = 0; - SYNCA = 0x01234567; + atomic_set(&SYNCB, 0); + atomic_set(&SYNCA, 0x01234567); /* waiting for other Hart to enter the halt */ do { barrier(); - } while (SYNCB + 1 < CONFIG_MAX_CPUS); + } while (atomic_read(&SYNCB) + 1 < CONFIG_MAX_CPUS); /* initialize for the next call */ - SYNCA = 0; - SYNCB = 0; + atomic_set(&SYNCA, 0); + atomic_set(&SYNCB, 0); } #undef SYNCA #undef SYNCB |