mirror of
https://github.com/projectacrn/acrn-hypervisor.git
synced 2025-06-19 12:12:16 +00:00
Revert "HV: Make AP trampoline code relocatable"
This reverts commit 31bf2befbf.
This commit is contained in:
lijinxia
Jack Ren
parent
0c5956beb1
commit
f8fbdbe7ec
@ -30,7 +30,6 @@
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#include <hypervisor.h>
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#include <hv_lib.h>
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#include <acrn_hv_defs.h>
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#include <acrn_common.h>
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#include <bsp_extern.h>
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#include <hv_arch.h>
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@ -39,12 +38,9 @@
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#include <hv_debug.h>
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#ifdef CONFIG_EFI_STUB
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#include <acrn_efi.h>
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extern uint32_t efi_physical_available_ap_bitmap;
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#endif
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uint64_t trampoline_code_paddr = 0;
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spinlock_t cpu_secondary_spinlock = {
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.head = 0,
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.tail = 0
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@ -92,7 +88,6 @@ int cpu_find_logical_id(uint32_t lapic_id);
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#ifndef CONFIG_EFI_STUB
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static void start_cpus(void);
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#endif
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static uint64_t relocate_trampoline_code(void);
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static void pcpu_sync_sleep(unsigned long *sync, int mask_bit);
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int ibrs_type;
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@ -553,7 +548,10 @@ void bsp_boot_init(void)
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/* Trigger event to allow secondary CPUs to continue */
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bitmap_set(0, &pcpu_sync);
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#else
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relocate_trampoline_code();
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memcpy_s(_ld_cpu_secondary_reset_start,
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(unsigned long)&_ld_cpu_secondary_reset_size,
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_ld_cpu_secondary_reset_load,
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(unsigned long)&_ld_cpu_secondary_reset_size);
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#endif
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ASSERT(get_cpu_id() == CPU_BOOT_ID, "");
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@ -662,9 +660,12 @@ static void start_cpus()
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{
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uint32_t timeout;
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uint32_t expected_up;
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uint64_t startup_paddr;
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startup_paddr = relocate_trampoline_code();
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/*Copy segment for AP initialization code below 1MB */
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memcpy_s(_ld_cpu_secondary_reset_start,
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(unsigned long)&_ld_cpu_secondary_reset_size,
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_ld_cpu_secondary_reset_load,
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(unsigned long)&_ld_cpu_secondary_reset_size);
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/* Set flag showing number of CPUs expected to be up to all
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* cpus
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@ -673,7 +674,7 @@ static void start_cpus()
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/* Broadcast IPIs to all other CPUs */
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send_startup_ipi(INTR_CPU_STARTUP_ALL_EX_SELF,
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-1U, startup_paddr);
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-1U, ((uint64_t) cpu_secondary_reset));
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/* Wait until global count is equal to expected CPU up count or
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* configured time-out has expired
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@ -699,53 +700,6 @@ static void start_cpus()
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}
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#endif
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static void update_trampoline_code_refs(uint64_t dest_pa)
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{
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void *ptr;
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int i;
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if (dest_pa == 0)
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return;
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/* Update temporary page tables */
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ptr = HPA2HVA(dest_pa + (uint64_t)CPU_Boot_Page_Tables_ptr);
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*(uint32_t *)(ptr) += dest_pa;
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ptr = HPA2HVA(dest_pa + (uint64_t)CPU_Boot_Page_Tables_Start);
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*(uint64_t *)(ptr) += dest_pa;
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ptr = HPA2HVA(dest_pa + (uint64_t)cpu_secondary_pdpt_addr);
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for (i = 0; i < 4; i++ ) {
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*(uint64_t *)(ptr + sizeof(uint64_t) * i) += dest_pa;
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}
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/* update the gdt base pointer with relocated offset */
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ptr = HPA2HVA(dest_pa + (uint64_t)cpu_secondary_gdt_ptr);
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*(uint64_t *)(ptr + 2) += dest_pa;
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/* update trampoline jump pointer with relocated offset */
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ptr = HPA2HVA(dest_pa + (uint64_t)ap_long_mode_jump_ref);
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*(uint32_t *)ptr += dest_pa;
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}
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static uint64_t relocate_trampoline_code(void)
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{
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uint64_t size, dest_pa;
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size = (uint64_t)_ld_cpu_secondary_reset_end - (uint64_t)cpu_secondary_reset;
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#ifndef CONFIG_EFI_STUB
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dest_pa = e820_alloc_low_memory(CONFIG_LOW_RAM_SIZE);
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#else
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dest_pa = (uint64_t)get_ap_trampoline_buf();
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#endif
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/* printf("AP trampoline code: %llx size %x\n", dest_pa, size); */
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memcpy_s(HPA2HVA(dest_pa), size, _ld_cpu_secondary_reset_load, size);
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update_trampoline_code_refs(dest_pa);
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trampoline_code_paddr = dest_pa;
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return dest_pa;
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}
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void cpu_dead(uint32_t logical_id)
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{
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/* For debug purposes, using a stack variable in the while loop enables
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@ -189,6 +189,12 @@ again:
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mmap[j].mm_type = E820_RAM;
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j++;
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/* reserve secondary memory region(0x1000 ~ 0x10000) for hv */
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err = __emalloc(CONFIG_LOW_RAM_SIZE, CONFIG_LOW_RAM_START,
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&addr, EfiReservedMemoryType);
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if (err != EFI_SUCCESS)
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goto out;
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mbi->mi_flags |= MULTIBOOT_INFO_HAS_MMAP | MULTIBOOT_INFO_HAS_CMDLINE;
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mbi->mi_mmap_length = j*sizeof(struct multiboot_mmap);
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@ -222,13 +228,6 @@ switch_to_guest_mode(EFI_HANDLE image)
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efi_ctx = (struct efi_ctx *)(UINTN)addr;
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/* reserve secondary memory region for hv */
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err = emalloc_for_low_mem(&addr, CONFIG_LOW_RAM_SIZE);
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if (err != EFI_SUCCESS)
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goto out;
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efi_ctx->ap_trampoline_buf = (void *)addr;
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config_table = sys_table->ConfigurationTable;
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for (i = 0; i < sys_table->NumberOfTableEntries; i++) {
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@ -96,7 +96,6 @@ struct e820_entry {
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struct efi_ctx {
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uint64_t rip;
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VOID *rsdp;
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VOID *ap_trampoline_buf;
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dt_addr_t gdt;
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dt_addr_t idt;
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uint16_t tr_sel;
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@ -100,11 +100,6 @@ int sipi_from_efi_boot_service_exit(uint32_t dest, uint32_t mode, uint32_t vec)
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return 0;
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}
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void *get_ap_trampoline_buf(void)
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{
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return efi_ctx->ap_trampoline_buf;
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}
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void efi_deferred_wakeup_pcpu(int cpu_id)
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{
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uint32_t timeout;
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@ -119,7 +114,7 @@ void efi_deferred_wakeup_pcpu(int cpu_id)
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expected_up = up_count + 1;
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send_startup_ipi(INTR_CPU_STARTUP_USE_DEST,
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cpu_id, (uint64_t)get_ap_trampoline_buf());
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cpu_id, (uint64_t)cpu_secondary_reset);
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timeout = CPU_UP_TIMEOUT * 1000;
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@ -157,17 +157,11 @@ int cpu_find_logical_id(uint32_t lapic_id);
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/**********************************/
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extern const uint8_t _ld_cpu_secondary_reset_load[];
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extern uint8_t _ld_cpu_secondary_reset_start[];
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extern uint8_t _ld_cpu_secondary_reset_end[];
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extern const uint64_t _ld_cpu_secondary_reset_size;
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extern uint8_t _ld_bss_start[];
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extern uint8_t _ld_bss_end[];
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extern uint8_t _ld_cpu_data_start[];
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extern uint8_t _ld_cpu_data_end[];
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extern uint8_t CPU_Boot_Page_Tables_Start[];
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extern uint8_t CPU_Boot_Page_Tables_ptr[];
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extern uint8_t cpu_secondary_pdpt_addr[];
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extern uint8_t cpu_secondary_gdt_ptr[];
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extern uint8_t ap_long_mode_jump_ref[];
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extern int ibrs_type;
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@ -39,7 +39,6 @@ typedef struct {
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struct efi_ctx {
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uint64_t rip;
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void *rsdp;
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void *ap_trampoline_buf;
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dt_addr_t gdt;
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dt_addr_t idt;
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uint16_t tr_sel;
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@ -75,6 +74,5 @@ struct efi_ctx {
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}__attribute__((packed));
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void *get_rsdp_from_uefi(void);
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void *get_ap_trampoline_buf(void);
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#endif /* UEFI_H*/
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