diff options
author | Blue Swirl <blauwirbel@gmail.com> | 2010-03-21 19:47:13 +0000 |
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committer | Blue Swirl <blauwirbel@gmail.com> | 2010-03-21 19:47:13 +0000 |
commit | 6842a08ee0f59dd00adcd51fda4705c412b6a0dd (patch) | |
tree | 9bc6a91600da35a81087d84889476634d40f1377 /cpu-common.h | |
parent | f1698408f1dcb7548a21828a0b1e2b530fae3af3 (diff) |
Compile pci only once
Move coalesced_mmio declarations to a more accessible location.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'cpu-common.h')
-rw-r--r-- | cpu-common.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/cpu-common.h b/cpu-common.h index f53690ac8c..bb053007f7 100644 --- a/cpu-common.h +++ b/cpu-common.h @@ -82,6 +82,17 @@ struct CPUPhysMemoryClient { void cpu_register_phys_memory_client(CPUPhysMemoryClient *); void cpu_unregister_phys_memory_client(CPUPhysMemoryClient *); +/* Coalesced MMIO regions are areas where write operations can be reordered. + * This usually implies that write operations are side-effect free. This allows + * batching which can make a major impact on performance when using + * virtualization. + */ +void qemu_register_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size); + +void qemu_unregister_coalesced_mmio(target_phys_addr_t addr, ram_addr_t size); + +void qemu_flush_coalesced_mmio_buffer(void); + uint32_t ldub_phys(target_phys_addr_t addr); uint32_t lduw_phys(target_phys_addr_t addr); uint32_t ldl_phys(target_phys_addr_t addr); |