diff options
Diffstat (limited to 'machine/emulation.c')
| -rw-r--r-- | machine/emulation.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/machine/emulation.c b/machine/emulation.c index dad86f9..70169fd 100644 --- a/machine/emulation.c +++ b/machine/emulation.c @@ -91,7 +91,7 @@ static inline int emulate_read_csr(int num, uintptr_t mstatus, uintptr_t* result switch (num) { case CSR_TIME: - *result = read_csr(mtime) + HLS()->utime_delta; + *result = *mtime + HLS()->utime_delta; return 0; case CSR_CYCLE: *result = read_csr(mcycle) + HLS()->ucycle_delta; @@ -100,7 +100,7 @@ static inline int emulate_read_csr(int num, uintptr_t mstatus, uintptr_t* result *result = read_csr(minstret) + HLS()->uinstret_delta; return 0; case CSR_STIME: - *result = read_csr(mtime) + HLS()->stime_delta; + *result = *mtime + HLS()->stime_delta; return 0; case CSR_SCYCLE: *result = read_csr(mcycle) + HLS()->scycle_delta; @@ -110,8 +110,7 @@ static inline int emulate_read_csr(int num, uintptr_t mstatus, uintptr_t* result return 0; #ifdef __riscv32 case CSR_TIMEH: - *result = (((uint64_t)read_csr(mtimeh) << 32) + read_csr(mtime) - + HLS()->stime_delta) >> 32; + *result = (*mtime + HLS()->stime_delta) >> 32; return 0; case CSR_CYCLEH: *result = (((uint64_t)read_csr(mcycleh) << 32) + read_csr(mcycle) |