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uefi: remove warkaround for AP wakeup

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remove sipi_from_efi_boot_service_exit & efi_deferred_wakeup_pcpu workaround
for uefi boot flow

Signed-off-by: Jason Chen CJ <jason.cj.chen@intel.com>
Acked-by: Xu, Anthony <anthony.xu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Jason Chen CJ
2018-05-15 10:57:00 +08:00
committed by lijinxia
parent 953f6b5b1b
commit d2a7a9c91d
5 changed files with 2 additions and 92 deletions
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49
hypervisor/bsp/uefi/uefi.c
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@@ -55,12 +55,8 @@
#ifdef CONFIG_EFI_STUB
static void efi_init(void);
uint32_t efi_physical_available_ap_bitmap = 0;
uint32_t efi_wake_up_ap_bitmap = 0;
struct efi_ctx* efi_ctx = NULL;
struct lapic_regs uefi_lapic_regs;
extern uint32_t up_count;
extern unsigned long pcpu_sync;
static int efi_initialized;
void efi_spurious_handler(int vector)
@@ -84,51 +80,6 @@ void efi_spurious_handler(int vector)
return;
}
int sipi_from_efi_boot_service_exit(uint32_t dest, uint32_t mode, uint32_t vec)
{
if (efi_wake_up_ap_bitmap != efi_physical_available_ap_bitmap) {
if (mode == APIC_DELMODE_STARTUP) {
uint32_t cpu_id = cpu_find_logical_id(dest);
send_startup_ipi(INTR_CPU_STARTUP_USE_DEST,
cpu_id, (uint64_t)(vec<<12));
efi_wake_up_ap_bitmap |= 1 << dest;
}
return 1;
}
return 0;
}
void efi_deferred_wakeup_pcpu(int cpu_id)
{
uint32_t timeout;
uint32_t expected_up;
static uint32_t waked_pcpu_bitmap;
if ((1 << cpu_id) & waked_pcpu_bitmap)
return;
waked_pcpu_bitmap |= 1 << cpu_id;
expected_up = up_count + 1;
send_startup_ipi(INTR_CPU_STARTUP_USE_DEST,
cpu_id, (uint64_t)cpu_secondary_reset);
timeout = CPU_UP_TIMEOUT * 1000;
while ((up_count != expected_up)) {
/* Delay 10us */
udelay(10);
/* Decrement timeout value */
timeout -= 10;
}
bitmap_set(0, &pcpu_sync);
}
int uefi_sw_loader(struct vm *vm, struct vcpu *vcpu)
{
int ret = 0;