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| author | Stefan Hajnoczi <stefanha@redhat.com> | 2023-09-25 10:09:38 -0400 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2023-09-25 10:09:38 -0400 |
| commit | 29578f575731dd9dfd715a34793fa3afbad1ebb2 (patch) | |
| tree | 5cadb899bf8f17a20141cfe034fbb70290b2da05 /include/qemu | |
| parent | bf94b63d76bafd452d536c3f45cdfdefb98045dc (diff) | |
| parent | adf7f6b72fb6d10e00e93d04dfa33ce8c5e384c8 (diff) | |
| download | qemu-29578f575731dd9dfd715a34793fa3afbad1ebb2.zip qemu-29578f575731dd9dfd715a34793fa3afbad1ebb2.tar.gz qemu-29578f575731dd9dfd715a34793fa3afbad1ebb2.tar.bz2 | |
Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging
* add host ticks function for RISC-V
* target/i386: Export GDS_NO bit
* target/i386: add support for bit 56 of MSR_IA32_VMX_BASIC
* first part of audiodev cleanups
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# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
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# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
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* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
vl: recognize audiodev groups in configuration files
tests/qtest: Specify audiodev= and -audiodev
hw/display/xlnx_dp.c: Add audiodev property
hw/audio/lm4549: Add errp error reporting to init function
hw/audio: Simplify hda audio init
hw/input/tsc210x: Extract common init code into new function
qemu/timer: Add host ticks function for RISC-V
target/i386: Export GDS_NO bit to guests
target/i386: enumerate bit 56 of MSR_IA32_VMX_BASIC
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'include/qemu')
| -rw-r--r-- | include/qemu/timer.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/qemu/timer.h b/include/qemu/timer.h index 9a91cb1..9a366e5 100644 --- a/include/qemu/timer.h +++ b/include/qemu/timer.h @@ -979,6 +979,28 @@ static inline int64_t cpu_get_host_ticks(void) return cur - ofs; } +#elif defined(__riscv) && __riscv_xlen == 32 +static inline int64_t cpu_get_host_ticks(void) +{ + uint32_t lo, hi, tmph; + do { + asm volatile("RDTIMEH %0\n\t" + "RDTIME %1\n\t" + "RDTIMEH %2" + : "=r"(hi), "=r"(lo), "=r"(tmph)); + } while (unlikely(tmph != hi)); + return lo | (uint64_t)hi << 32; +} + +#elif defined(__riscv) && __riscv_xlen > 32 +static inline int64_t cpu_get_host_ticks(void) +{ + int64_t val; + + asm volatile("RDTIME %0" : "=r"(val)); + return val; +} + #else /* The host CPU doesn't have an easily accessible cycle counter. Just return a monotonically increasing value. This will be |