obj-$(CONFIG_SMP) += smp.o smpboot.o trampoline.o tsc_sync.o
obj-y += apic.o nmi.o
obj-y += io_apic_64.o mpparse.o genapic.o genapic_flat.o
-obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel.o crash.o
+obj-$(CONFIG_KEXEC) += machine_kexec.o relocate_kernel_64.o crash.o
obj-$(CONFIG_CRASH_DUMP) += crash_dump.o
obj-$(CONFIG_PM) += suspend.o
obj-$(CONFIG_HIBERNATION) += suspend_asm.o
+++ /dev/null
-/*
- * relocate_kernel.S - put the kernel image in place to boot
- * Copyright (C) 2002-2005 Eric Biederman <ebiederm@xmission.com>
- *
- * This source code is licensed under the GNU General Public License,
- * Version 2. See the file COPYING for more details.
- */
-
-#include <linux/linkage.h>
-#include <asm/page.h>
-#include <asm/kexec.h>
-
-/*
- * Must be relocatable PIC code callable as a C function
- */
-
-#define PTR(x) (x << 3)
-#define PAGE_ALIGNED (1 << PAGE_SHIFT)
-#define PAGE_ATTR 0x63 /* _PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED|_PAGE_DIRTY */
-
- .text
- .align PAGE_ALIGNED
- .code64
- .globl relocate_kernel
-relocate_kernel:
- /* %rdi indirection_page
- * %rsi page_list
- * %rdx start address
- */
-
- /* map the control page at its virtual address */
-
- movq $0x0000ff8000000000, %r10 /* mask */
- mov $(39 - 3), %cl /* bits to shift */
- movq PTR(VA_CONTROL_PAGE)(%rsi), %r11 /* address to map */
-
- movq %r11, %r9
- andq %r10, %r9
- shrq %cl, %r9
-
- movq PTR(VA_PGD)(%rsi), %r8
- addq %r8, %r9
- movq PTR(PA_PUD_0)(%rsi), %r8
- orq $PAGE_ATTR, %r8
- movq %r8, (%r9)
-
- shrq $9, %r10
- sub $9, %cl
-
- movq %r11, %r9
- andq %r10, %r9
- shrq %cl, %r9
-
- movq PTR(VA_PUD_0)(%rsi), %r8
- addq %r8, %r9
- movq PTR(PA_PMD_0)(%rsi), %r8
- orq $PAGE_ATTR, %r8
- movq %r8, (%r9)
-
- shrq $9, %r10
- sub $9, %cl
-
- movq %r11, %r9
- andq %r10, %r9
- shrq %cl, %r9
-
- movq PTR(VA_PMD_0)(%rsi), %r8
- addq %r8, %r9
- movq PTR(PA_PTE_0)(%rsi), %r8
- orq $PAGE_ATTR, %r8
- movq %r8, (%r9)
-
- shrq $9, %r10
- sub $9, %cl
-
- movq %r11, %r9
- andq %r10, %r9
- shrq %cl, %r9
-
- movq PTR(VA_PTE_0)(%rsi), %r8
- addq %r8, %r9
- movq PTR(PA_CONTROL_PAGE)(%rsi), %r8
- orq $PAGE_ATTR, %r8
- movq %r8, (%r9)
-
- /* identity map the control page at its physical address */
-
- movq $0x0000ff8000000000, %r10 /* mask */
- mov $(39 - 3), %cl /* bits to shift */
- movq PTR(PA_CONTROL_PAGE)(%rsi), %r11 /* address to map */
-
- movq %r11, %r9
- andq %r10, %r9
- shrq %cl, %r9
-
- movq PTR(VA_PGD)(%rsi), %r8
- addq %r8, %r9
- movq PTR(PA_PUD_1)(%rsi), %r8
- orq $PAGE_ATTR, %r8
- movq %r8, (%r9)
-
- shrq $9, %r10
- sub $9, %cl
-
- movq %r11, %r9
- andq %r10, %r9
- shrq %cl, %r9
-
- movq PTR(VA_PUD_1)(%rsi), %r8
- addq %r8, %r9
- movq PTR(PA_PMD_1)(%rsi), %r8
- orq $PAGE_ATTR, %r8
- movq %r8, (%r9)
-
- shrq $9, %r10
- sub $9, %cl
-
- movq %r11, %r9
- andq %r10, %r9
- shrq %cl, %r9
-
- movq PTR(VA_PMD_1)(%rsi), %r8
- addq %r8, %r9
- movq PTR(PA_PTE_1)(%rsi), %r8
- orq $PAGE_ATTR, %r8
- movq %r8, (%r9)
-
- shrq $9, %r10
- sub $9, %cl
-
- movq %r11, %r9
- andq %r10, %r9
- shrq %cl, %r9
-
- movq PTR(VA_PTE_1)(%rsi), %r8
- addq %r8, %r9
- movq PTR(PA_CONTROL_PAGE)(%rsi), %r8
- orq $PAGE_ATTR, %r8
- movq %r8, (%r9)
-
-relocate_new_kernel:
- /* %rdi indirection_page
- * %rsi page_list
- * %rdx start address
- */
-
- /* zero out flags, and disable interrupts */
- pushq $0
- popfq
-
- /* get physical address of control page now */
- /* this is impossible after page table switch */
- movq PTR(PA_CONTROL_PAGE)(%rsi), %r8
-
- /* get physical address of page table now too */
- movq PTR(PA_TABLE_PAGE)(%rsi), %rcx
-
- /* switch to new set of page tables */
- movq PTR(PA_PGD)(%rsi), %r9
- movq %r9, %cr3
-
- /* setup a new stack at the end of the physical control page */
- lea 4096(%r8), %rsp
-
- /* jump to identity mapped page */
- addq $(identity_mapped - relocate_kernel), %r8
- pushq %r8
- ret
-
-identity_mapped:
- /* store the start address on the stack */
- pushq %rdx
-
- /* Set cr0 to a known state:
- * 31 1 == Paging enabled
- * 18 0 == Alignment check disabled
- * 16 0 == Write protect disabled
- * 3 0 == No task switch
- * 2 0 == Don't do FP software emulation.
- * 0 1 == Proctected mode enabled
- */
- movq %cr0, %rax
- andq $~((1<<18)|(1<<16)|(1<<3)|(1<<2)), %rax
- orl $((1<<31)|(1<<0)), %eax
- movq %rax, %cr0
-
- /* Set cr4 to a known state:
- * 10 0 == xmm exceptions disabled
- * 9 0 == xmm registers instructions disabled
- * 8 0 == performance monitoring counter disabled
- * 7 0 == page global disabled
- * 6 0 == machine check exceptions disabled
- * 5 1 == physical address extension enabled
- * 4 0 == page size extensions disabled
- * 3 0 == Debug extensions disabled
- * 2 0 == Time stamp disable (disabled)
- * 1 0 == Protected mode virtual interrupts disabled
- * 0 0 == VME disabled
- */
-
- movq $((1<<5)), %rax
- movq %rax, %cr4
-
- jmp 1f
-1:
-
- /* Switch to the identity mapped page tables,
- * and flush the TLB.
- */
- movq %rcx, %cr3
-
- /* Do the copies */
- movq %rdi, %rcx /* Put the page_list in %rcx */
- xorq %rdi, %rdi
- xorq %rsi, %rsi
- jmp 1f
-
-0: /* top, read another word for the indirection page */
-
- movq (%rbx), %rcx
- addq $8, %rbx
-1:
- testq $0x1, %rcx /* is it a destination page? */
- jz 2f
- movq %rcx, %rdi
- andq $0xfffffffffffff000, %rdi
- jmp 0b
-2:
- testq $0x2, %rcx /* is it an indirection page? */
- jz 2f
- movq %rcx, %rbx
- andq $0xfffffffffffff000, %rbx
- jmp 0b
-2:
- testq $0x4, %rcx /* is it the done indicator? */
- jz 2f
- jmp 3f
-2:
- testq $0x8, %rcx /* is it the source indicator? */
- jz 0b /* Ignore it otherwise */
- movq %rcx, %rsi /* For ever source page do a copy */
- andq $0xfffffffffffff000, %rsi
-
- movq $512, %rcx
- rep ; movsq
- jmp 0b
-3:
-
- /* To be certain of avoiding problems with self-modifying code
- * I need to execute a serializing instruction here.
- * So I flush the TLB by reloading %cr3 here, it's handy,
- * and not processor dependent.
- */
- movq %cr3, %rax
- movq %rax, %cr3
-
- /* set all of the registers to known values */
- /* leave %rsp alone */
-
- xorq %rax, %rax
- xorq %rbx, %rbx
- xorq %rcx, %rcx
- xorq %rdx, %rdx
- xorq %rsi, %rsi
- xorq %rdi, %rdi
- xorq %rbp, %rbp
- xorq %r8, %r8
- xorq %r9, %r9
- xorq %r10, %r9
- xorq %r11, %r11
- xorq %r12, %r12
- xorq %r13, %r13
- xorq %r14, %r14
- xorq %r15, %r15
-
- ret
--- /dev/null
+/*
+ * relocate_kernel.S - put the kernel image in place to boot
+ * Copyright (C) 2002-2005 Eric Biederman <ebiederm@xmission.com>
+ *
+ * This source code is licensed under the GNU General Public License,
+ * Version 2. See the file COPYING for more details.
+ */
+
+#include <linux/linkage.h>
+#include <asm/page.h>
+#include <asm/kexec.h>
+
+/*
+ * Must be relocatable PIC code callable as a C function
+ */
+
+#define PTR(x) (x << 3)
+#define PAGE_ALIGNED (1 << PAGE_SHIFT)
+#define PAGE_ATTR 0x63 /* _PAGE_PRESENT|_PAGE_RW|_PAGE_ACCESSED|_PAGE_DIRTY */
+
+ .text
+ .align PAGE_ALIGNED
+ .code64
+ .globl relocate_kernel
+relocate_kernel:
+ /* %rdi indirection_page
+ * %rsi page_list
+ * %rdx start address
+ */
+
+ /* map the control page at its virtual address */
+
+ movq $0x0000ff8000000000, %r10 /* mask */
+ mov $(39 - 3), %cl /* bits to shift */
+ movq PTR(VA_CONTROL_PAGE)(%rsi), %r11 /* address to map */
+
+ movq %r11, %r9
+ andq %r10, %r9
+ shrq %cl, %r9
+
+ movq PTR(VA_PGD)(%rsi), %r8
+ addq %r8, %r9
+ movq PTR(PA_PUD_0)(%rsi), %r8
+ orq $PAGE_ATTR, %r8
+ movq %r8, (%r9)
+
+ shrq $9, %r10
+ sub $9, %cl
+
+ movq %r11, %r9
+ andq %r10, %r9
+ shrq %cl, %r9
+
+ movq PTR(VA_PUD_0)(%rsi), %r8
+ addq %r8, %r9
+ movq PTR(PA_PMD_0)(%rsi), %r8
+ orq $PAGE_ATTR, %r8
+ movq %r8, (%r9)
+
+ shrq $9, %r10
+ sub $9, %cl
+
+ movq %r11, %r9
+ andq %r10, %r9
+ shrq %cl, %r9
+
+ movq PTR(VA_PMD_0)(%rsi), %r8
+ addq %r8, %r9
+ movq PTR(PA_PTE_0)(%rsi), %r8
+ orq $PAGE_ATTR, %r8
+ movq %r8, (%r9)
+
+ shrq $9, %r10
+ sub $9, %cl
+
+ movq %r11, %r9
+ andq %r10, %r9
+ shrq %cl, %r9
+
+ movq PTR(VA_PTE_0)(%rsi), %r8
+ addq %r8, %r9
+ movq PTR(PA_CONTROL_PAGE)(%rsi), %r8
+ orq $PAGE_ATTR, %r8
+ movq %r8, (%r9)
+
+ /* identity map the control page at its physical address */
+
+ movq $0x0000ff8000000000, %r10 /* mask */
+ mov $(39 - 3), %cl /* bits to shift */
+ movq PTR(PA_CONTROL_PAGE)(%rsi), %r11 /* address to map */
+
+ movq %r11, %r9
+ andq %r10, %r9
+ shrq %cl, %r9
+
+ movq PTR(VA_PGD)(%rsi), %r8
+ addq %r8, %r9
+ movq PTR(PA_PUD_1)(%rsi), %r8
+ orq $PAGE_ATTR, %r8
+ movq %r8, (%r9)
+
+ shrq $9, %r10
+ sub $9, %cl
+
+ movq %r11, %r9
+ andq %r10, %r9
+ shrq %cl, %r9
+
+ movq PTR(VA_PUD_1)(%rsi), %r8
+ addq %r8, %r9
+ movq PTR(PA_PMD_1)(%rsi), %r8
+ orq $PAGE_ATTR, %r8
+ movq %r8, (%r9)
+
+ shrq $9, %r10
+ sub $9, %cl
+
+ movq %r11, %r9
+ andq %r10, %r9
+ shrq %cl, %r9
+
+ movq PTR(VA_PMD_1)(%rsi), %r8
+ addq %r8, %r9
+ movq PTR(PA_PTE_1)(%rsi), %r8
+ orq $PAGE_ATTR, %r8
+ movq %r8, (%r9)
+
+ shrq $9, %r10
+ sub $9, %cl
+
+ movq %r11, %r9
+ andq %r10, %r9
+ shrq %cl, %r9
+
+ movq PTR(VA_PTE_1)(%rsi), %r8
+ addq %r8, %r9
+ movq PTR(PA_CONTROL_PAGE)(%rsi), %r8
+ orq $PAGE_ATTR, %r8
+ movq %r8, (%r9)
+
+relocate_new_kernel:
+ /* %rdi indirection_page
+ * %rsi page_list
+ * %rdx start address
+ */
+
+ /* zero out flags, and disable interrupts */
+ pushq $0
+ popfq
+
+ /* get physical address of control page now */
+ /* this is impossible after page table switch */
+ movq PTR(PA_CONTROL_PAGE)(%rsi), %r8
+
+ /* get physical address of page table now too */
+ movq PTR(PA_TABLE_PAGE)(%rsi), %rcx
+
+ /* switch to new set of page tables */
+ movq PTR(PA_PGD)(%rsi), %r9
+ movq %r9, %cr3
+
+ /* setup a new stack at the end of the physical control page */
+ lea 4096(%r8), %rsp
+
+ /* jump to identity mapped page */
+ addq $(identity_mapped - relocate_kernel), %r8
+ pushq %r8
+ ret
+
+identity_mapped:
+ /* store the start address on the stack */
+ pushq %rdx
+
+ /* Set cr0 to a known state:
+ * 31 1 == Paging enabled
+ * 18 0 == Alignment check disabled
+ * 16 0 == Write protect disabled
+ * 3 0 == No task switch
+ * 2 0 == Don't do FP software emulation.
+ * 0 1 == Proctected mode enabled
+ */
+ movq %cr0, %rax
+ andq $~((1<<18)|(1<<16)|(1<<3)|(1<<2)), %rax
+ orl $((1<<31)|(1<<0)), %eax
+ movq %rax, %cr0
+
+ /* Set cr4 to a known state:
+ * 10 0 == xmm exceptions disabled
+ * 9 0 == xmm registers instructions disabled
+ * 8 0 == performance monitoring counter disabled
+ * 7 0 == page global disabled
+ * 6 0 == machine check exceptions disabled
+ * 5 1 == physical address extension enabled
+ * 4 0 == page size extensions disabled
+ * 3 0 == Debug extensions disabled
+ * 2 0 == Time stamp disable (disabled)
+ * 1 0 == Protected mode virtual interrupts disabled
+ * 0 0 == VME disabled
+ */
+
+ movq $((1<<5)), %rax
+ movq %rax, %cr4
+
+ jmp 1f
+1:
+
+ /* Switch to the identity mapped page tables,
+ * and flush the TLB.
+ */
+ movq %rcx, %cr3
+
+ /* Do the copies */
+ movq %rdi, %rcx /* Put the page_list in %rcx */
+ xorq %rdi, %rdi
+ xorq %rsi, %rsi
+ jmp 1f
+
+0: /* top, read another word for the indirection page */
+
+ movq (%rbx), %rcx
+ addq $8, %rbx
+1:
+ testq $0x1, %rcx /* is it a destination page? */
+ jz 2f
+ movq %rcx, %rdi
+ andq $0xfffffffffffff000, %rdi
+ jmp 0b
+2:
+ testq $0x2, %rcx /* is it an indirection page? */
+ jz 2f
+ movq %rcx, %rbx
+ andq $0xfffffffffffff000, %rbx
+ jmp 0b
+2:
+ testq $0x4, %rcx /* is it the done indicator? */
+ jz 2f
+ jmp 3f
+2:
+ testq $0x8, %rcx /* is it the source indicator? */
+ jz 0b /* Ignore it otherwise */
+ movq %rcx, %rsi /* For ever source page do a copy */
+ andq $0xfffffffffffff000, %rsi
+
+ movq $512, %rcx
+ rep ; movsq
+ jmp 0b
+3:
+
+ /* To be certain of avoiding problems with self-modifying code
+ * I need to execute a serializing instruction here.
+ * So I flush the TLB by reloading %cr3 here, it's handy,
+ * and not processor dependent.
+ */
+ movq %cr3, %rax
+ movq %rax, %cr3
+
+ /* set all of the registers to known values */
+ /* leave %rsp alone */
+
+ xorq %rax, %rax
+ xorq %rbx, %rbx
+ xorq %rcx, %rcx
+ xorq %rdx, %rdx
+ xorq %rsi, %rsi
+ xorq %rdi, %rdi
+ xorq %rbp, %rbp
+ xorq %r8, %r8
+ xorq %r9, %r9
+ xorq %r10, %r9
+ xorq %r11, %r11
+ xorq %r12, %r12
+ xorq %r13, %r13
+ xorq %r14, %r14
+ xorq %r15, %r15
+
+ ret
projects / openwrt / staging / blogic.git / commitdiff