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target-i386: use memory API to implement SMRAM

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Remove cpu_smm_register and cpu_smm_update.  Instead, each CPU
address space gets an extra region which is an alias of
/machine/smram.  This extra region is enabled or disabled
as the CPU enters/exits SMM.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2015-03-31 14:12:25 +02:00
parent fe6567d5fd
commit f809c60512
14 changed files with 68 additions and 93 deletions
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1
include/hw/i386/pc.h
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@ -210,7 +210,6 @@ void pc_nic_init(ISABus *isa_bus, PCIBus *pci_bus);
void pc_pci_device_init(PCIBus *pci_bus);
typedef void (*cpu_set_smm_t)(int smm, void *arg);
void cpu_smm_register(cpu_set_smm_t callback, void *arg);
void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name);

5
include/hw/pci-host/pam.h
View file

@ -86,10 +86,7 @@ typedef struct PAMMemoryRegion {
unsigned current;
} PAMMemoryRegion;
void smram_update(MemoryRegion *smram_region, uint8_t smram,
uint8_t smm_enabled);
void smram_set_smm(uint8_t *host_smm_enabled, int smm, uint8_t smram,
MemoryRegion *smram_region);
void smram_update(MemoryRegion *smram_region, uint8_t smram);
void init_pam(DeviceState *dev, MemoryRegion *ram, MemoryRegion *system,
MemoryRegion *pci, PAMMemoryRegion *mem, uint32_t start, uint32_t size);
void pam_update(PAMMemoryRegion *mem, int idx, uint8_t val);

1
include/hw/pci-host/q35.h
View file

@ -55,7 +55,6 @@ typedef struct MCHPCIState {
MemoryRegion smram_region;
MemoryRegion smram, low_smram;
PcPciInfo pci_info;
uint8_t smm_enabled;
ram_addr_t below_4g_mem_size;
ram_addr_t above_4g_mem_size;
uint64_t pci_hole64_size;