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| author | Glenn Miles <milesg@linux.vnet.ibm.com> | 2024-03-28 20:41:37 +1000 |
|---|---|---|
| committer | Nicholas Piggin <npiggin@gmail.com> | 2024-05-24 09:33:44 +1000 |
| commit | dabd6d3c3ae1ba52662d2056a8d59b01d9ee8e24 (patch) | |
| tree | 9e3c9683f4050c676660bca6296238432e1b2584 /target/ppc | |
| parent | 6bfcf1dc239dba752307f0312e8a320470c26655 (diff) | |
| download | qemu-dabd6d3c3ae1ba52662d2056a8d59b01d9ee8e24.zip qemu-dabd6d3c3ae1ba52662d2056a8d59b01d9ee8e24.tar.gz qemu-dabd6d3c3ae1ba52662d2056a8d59b01d9ee8e24.tar.bz2 | |
target/ppc: Add migration support for BHRB
Adds migration support for Branch History Rolling
Buffer (BHRB) internal state.
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Glenn Miles <milesg@linux.vnet.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Diffstat (limited to 'target/ppc')
| -rw-r--r-- | target/ppc/machine.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/target/ppc/machine.c b/target/ppc/machine.c index 6b6c31d..731dd8d 100644 --- a/target/ppc/machine.c +++ b/target/ppc/machine.c @@ -711,6 +711,26 @@ static const VMStateDescription vmstate_reservation = { } }; +#ifdef TARGET_PPC64 +static bool bhrb_needed(void *opaque) +{ + PowerPCCPU *cpu = opaque; + return (cpu->env.flags & POWERPC_FLAG_BHRB) != 0; +} + +static const VMStateDescription vmstate_bhrb = { + .name = "cpu/bhrb", + .version_id = 1, + .minimum_version_id = 1, + .needed = bhrb_needed, + .fields = (VMStateField[]) { + VMSTATE_UINTTL(env.bhrb_offset, PowerPCCPU), + VMSTATE_UINT64_ARRAY(env.bhrb, PowerPCCPU, BHRB_MAX_NUM_ENTRIES), + VMSTATE_END_OF_LIST() + } +}; +#endif + const VMStateDescription vmstate_ppc_cpu = { .name = "cpu", .version_id = 5, @@ -756,6 +776,7 @@ const VMStateDescription vmstate_ppc_cpu = { #ifdef TARGET_PPC64 &vmstate_tm, &vmstate_slb, + &vmstate_bhrb, #endif /* TARGET_PPC64 */ &vmstate_tlb6xx, &vmstate_tlbemb, |