| .text | |
| #include <linux/linkage.h> | |
| #include <asm/segment.h> | |
| #include <asm/pgtable_types.h> | |
| #include <asm/page_types.h> | |
| #include <asm/msr.h> | |
| #include <asm/asm-offsets.h> | |
| #include <asm/frame.h> | |
| # Copyright 2003 Pavel Machek <pavel@suse.cz>, distribute under GPLv2 | |
| .code64 | |
| /* | |
| * Hooray, we are in Long 64-bit mode (but still running in low memory) | |
| */ | |
| ENTRY(wakeup_long64) | |
| movq saved_magic, %rax | |
| movq $0x123456789abcdef0, %rdx | |
| cmpq %rdx, %rax | |
| jne bogus_64_magic | |
| movw $__KERNEL_DS, %ax | |
| movw %ax, %ss | |
| movw %ax, %ds | |
| movw %ax, %es | |
| movw %ax, %fs | |
| movw %ax, %gs | |
| movq saved_rsp, %rsp | |
| movq saved_rbx, %rbx | |
| movq saved_rdi, %rdi | |
| movq saved_rsi, %rsi | |
| movq saved_rbp, %rbp | |
| movq saved_rip, %rax | |
| jmp *%rax | |
| ENDPROC(wakeup_long64) | |
| bogus_64_magic: | |
| jmp bogus_64_magic | |
| ENTRY(do_suspend_lowlevel) | |
| FRAME_BEGIN | |
| subq $8, %rsp | |
| xorl %eax, %eax | |
| call save_processor_state | |
| movq $saved_context, %rax | |
| movq %rsp, pt_regs_sp(%rax) | |
| movq %rbp, pt_regs_bp(%rax) | |
| movq %rsi, pt_regs_si(%rax) | |
| movq %rdi, pt_regs_di(%rax) | |
| movq %rbx, pt_regs_bx(%rax) | |
| movq %rcx, pt_regs_cx(%rax) | |
| movq %rdx, pt_regs_dx(%rax) | |
| movq %r8, pt_regs_r8(%rax) | |
| movq %r9, pt_regs_r9(%rax) | |
| movq %r10, pt_regs_r10(%rax) | |
| movq %r11, pt_regs_r11(%rax) | |
| movq %r12, pt_regs_r12(%rax) | |
| movq %r13, pt_regs_r13(%rax) | |
| movq %r14, pt_regs_r14(%rax) | |
| movq %r15, pt_regs_r15(%rax) | |
| pushfq | |
| popq pt_regs_flags(%rax) | |
| movq $.Lresume_point, saved_rip(%rip) | |
| movq %rsp, saved_rsp | |
| movq %rbp, saved_rbp | |
| movq %rbx, saved_rbx | |
| movq %rdi, saved_rdi | |
| movq %rsi, saved_rsi | |
| addq $8, %rsp | |
| movl $3, %edi | |
| xorl %eax, %eax | |
| call x86_acpi_enter_sleep_state | |
| /* in case something went wrong, restore the machine status and go on */ | |
| jmp .Lresume_point | |
| .align 4 | |
| .Lresume_point: | |
| /* We don't restore %rax, it must be 0 anyway */ | |
| movq $saved_context, %rax | |
| movq saved_context_cr4(%rax), %rbx | |
| movq %rbx, %cr4 | |
| movq saved_context_cr3(%rax), %rbx | |
| movq %rbx, %cr3 | |
| movq saved_context_cr2(%rax), %rbx | |
| movq %rbx, %cr2 | |
| movq saved_context_cr0(%rax), %rbx | |
| movq %rbx, %cr0 | |
| pushq pt_regs_flags(%rax) | |
| popfq | |
| movq pt_regs_sp(%rax), %rsp | |
| movq pt_regs_bp(%rax), %rbp | |
| movq pt_regs_si(%rax), %rsi | |
| movq pt_regs_di(%rax), %rdi | |
| movq pt_regs_bx(%rax), %rbx | |
| movq pt_regs_cx(%rax), %rcx | |
| movq pt_regs_dx(%rax), %rdx | |
| movq pt_regs_r8(%rax), %r8 | |
| movq pt_regs_r9(%rax), %r9 | |
| movq pt_regs_r10(%rax), %r10 | |
| movq pt_regs_r11(%rax), %r11 | |
| movq pt_regs_r12(%rax), %r12 | |
| movq pt_regs_r13(%rax), %r13 | |
| movq pt_regs_r14(%rax), %r14 | |
| movq pt_regs_r15(%rax), %r15 | |
| xorl %eax, %eax | |
| addq $8, %rsp | |
| FRAME_END | |
| jmp restore_processor_state | |
| ENDPROC(do_suspend_lowlevel) | |
| .data | |
| ENTRY(saved_rbp) .quad 0 | |
| ENTRY(saved_rsi) .quad 0 | |
| ENTRY(saved_rdi) .quad 0 | |
| ENTRY(saved_rbx) .quad 0 | |
| ENTRY(saved_rip) .quad 0 | |
| ENTRY(saved_rsp) .quad 0 | |
| ENTRY(saved_magic) .quad 0 |