118 lines
2.5 KiB
C
118 lines
2.5 KiB
C
/*
|
|
* Copyright (C) 2018 Intel Corporation. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#include <types.h>
|
|
#include <init.h>
|
|
#include <console.h>
|
|
#include <per_cpu.h>
|
|
#include <shell.h>
|
|
#include <vmx.h>
|
|
#include <vm.h>
|
|
#include <logmsg.h>
|
|
#include <seed.h>
|
|
#include <ld_sym.h>
|
|
#include <multiboot.h>
|
|
|
|
/* boot_regs store the multiboot info magic and address, defined in
|
|
arch/x86/boot/cpu_primary.S.
|
|
*/
|
|
extern uint32_t boot_regs[2];
|
|
|
|
/* Push sp magic to top of stack for call trace */
|
|
#define SWITCH_TO(rsp, to) \
|
|
{ \
|
|
asm volatile ("movq %0, %%rsp\n" \
|
|
"pushq %1\n" \
|
|
"jmpq *%2\n" \
|
|
: \
|
|
: "r"(rsp), "rm"(SP_BOTTOM_MAGIC), "a"(to)); \
|
|
}
|
|
|
|
/*TODO: move into debug module */
|
|
static void init_debug_pre(void)
|
|
{
|
|
/* Initialize console */
|
|
console_init();
|
|
|
|
/* Enable logging */
|
|
init_logmsg(CONFIG_LOG_DESTINATION);
|
|
}
|
|
|
|
/*TODO: move into debug module */
|
|
static void init_debug_post(uint16_t pcpu_id)
|
|
{
|
|
if (pcpu_id == BSP_CPU_ID) {
|
|
/* Initialize the shell */
|
|
shell_init();
|
|
console_setup_timer();
|
|
}
|
|
|
|
profiling_setup();
|
|
}
|
|
|
|
/*TODO: move into guest-vcpu module */
|
|
static void init_guest_mode(uint16_t pcpu_id)
|
|
{
|
|
vmx_on();
|
|
|
|
launch_vms(pcpu_id);
|
|
}
|
|
|
|
static void init_pcpu_comm_post(void)
|
|
{
|
|
uint16_t pcpu_id;
|
|
|
|
pcpu_id = get_pcpu_id();
|
|
|
|
init_pcpu_post(pcpu_id);
|
|
init_debug_post(pcpu_id);
|
|
init_guest_mode(pcpu_id);
|
|
run_idle_thread();
|
|
}
|
|
|
|
static void init_misc(void)
|
|
{
|
|
init_cr0_cr4_flexible_bits();
|
|
if (!sanitize_cr0_cr4_pattern()) {
|
|
panic("%s Sanitize pattern of CR0 or CR4 failed.\n", __func__);
|
|
}
|
|
}
|
|
|
|
/* NOTE: this function is using temp stack, and after SWITCH_TO(runtime_sp, to)
|
|
* it will switch to runtime stack.
|
|
*/
|
|
void init_primary_pcpu(void)
|
|
{
|
|
uint64_t rsp;
|
|
|
|
/* Clear BSS */
|
|
(void)memset(&ld_bss_start, 0U, (size_t)(&ld_bss_end - &ld_bss_start));
|
|
|
|
init_acrn_multiboot_info(boot_regs[0], boot_regs[1]);
|
|
|
|
init_debug_pre();
|
|
|
|
if (sanitize_acrn_multiboot_info(boot_regs[0], boot_regs[1]) != 0) {
|
|
panic("Multiboot info error!");
|
|
}
|
|
|
|
init_pcpu_pre(true);
|
|
|
|
init_seed();
|
|
init_misc();
|
|
|
|
/* Switch to run-time stack */
|
|
rsp = (uint64_t)(&get_cpu_var(stack)[CONFIG_STACK_SIZE - 1]);
|
|
rsp &= ~(CPU_STACK_ALIGN - 1UL);
|
|
SWITCH_TO(rsp, init_pcpu_comm_post);
|
|
}
|
|
|
|
void init_secondary_pcpu(void)
|
|
{
|
|
init_pcpu_pre(false);
|
|
init_pcpu_comm_post();
|
|
}
|