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-rwxr-xr-xarch/x86/include/asm/cpu_debug.h33
-rw-r--r--arch/x86/include/asm/dmi.h14
-rw-r--r--arch/x86/include/asm/page_32_types.h5
-rw-r--r--arch/x86/include/asm/paravirt.h4
-rw-r--r--arch/x86/include/asm/pgtable_32.h3
-rw-r--r--arch/x86/include/asm/sections.h7
-rw-r--r--arch/x86/include/asm/setup.h37
7 files changed, 80 insertions, 23 deletions
diff --git a/arch/x86/include/asm/cpu_debug.h b/arch/x86/include/asm/cpu_debug.h
index 56f1635e461..222802029fa 100755
--- a/arch/x86/include/asm/cpu_debug.h
+++ b/arch/x86/include/asm/cpu_debug.h
@@ -33,6 +33,8 @@ enum cpu_debug_bit {
CPU_VMX_BIT, /* VMX */
CPU_CALL_BIT, /* System Call */
CPU_BASE_BIT, /* BASE Address */
+ CPU_VER_BIT, /* Version ID */
+ CPU_CONF_BIT, /* Configuration */
CPU_SMM_BIT, /* System mgmt mode */
CPU_SVM_BIT, /*Secure Virtual Machine*/
CPU_OSVM_BIT, /* OS-Visible Workaround*/
@@ -69,6 +71,8 @@ enum cpu_debug_bit {
#define CPU_VMX (1 << CPU_VMX_BIT)
#define CPU_CALL (1 << CPU_CALL_BIT)
#define CPU_BASE (1 << CPU_BASE_BIT)
+#define CPU_VER (1 << CPU_VER_BIT)
+#define CPU_CONF (1 << CPU_CONF_BIT)
#define CPU_SMM (1 << CPU_SMM_BIT)
#define CPU_SVM (1 << CPU_SVM_BIT)
#define CPU_OSVM (1 << CPU_OSVM_BIT)
@@ -123,10 +127,15 @@ enum cpu_processor_bit {
CPU_INTEL_ATOM_BIT,
CPU_INTEL_XEON_P4_BIT,
CPU_INTEL_XEON_MP_BIT,
+/* AMD */
+ CPU_AMD_K6_BIT,
+ CPU_AMD_K7_BIT,
+ CPU_AMD_K8_BIT,
+ CPU_AMD_0F_BIT,
+ CPU_AMD_10_BIT,
+ CPU_AMD_11_BIT,
};
-#define CPU_ALL (~0) /* Select all CPUs */
-
#define CPU_INTEL_PENTIUM (1 << CPU_INTEL_PENTIUM_BIT)
#define CPU_INTEL_P6 (1 << CPU_INTEL_P6_BIT)
#define CPU_INTEL_PENTIUM_M (1 << CPU_INTEL_PENTIUM_M_BIT)
@@ -156,9 +165,27 @@ enum cpu_processor_bit {
#define CPU_PX_CX_AT (CPU_INTEL_PX | CPU_CX_AT)
#define CPU_PX_CX_AT_XE (CPU_INTEL_PX | CPU_CX_AT_XE)
-/* Select all Intel CPUs*/
+/* Select all supported Intel CPUs */
#define CPU_INTEL_ALL (CPU_INTEL_PENTIUM | CPU_PX_CX_AT_XE)
+#define CPU_AMD_K6 (1 << CPU_AMD_K6_BIT)
+#define CPU_AMD_K7 (1 << CPU_AMD_K7_BIT)
+#define CPU_AMD_K8 (1 << CPU_AMD_K8_BIT)
+#define CPU_AMD_0F (1 << CPU_AMD_0F_BIT)
+#define CPU_AMD_10 (1 << CPU_AMD_10_BIT)
+#define CPU_AMD_11 (1 << CPU_AMD_11_BIT)
+
+#define CPU_K10_PLUS (CPU_AMD_10 | CPU_AMD_11)
+#define CPU_K0F_PLUS (CPU_AMD_0F | CPU_K10_PLUS)
+#define CPU_K8_PLUS (CPU_AMD_K8 | CPU_K0F_PLUS)
+#define CPU_K7_PLUS (CPU_AMD_K7 | CPU_K8_PLUS)
+
+/* Select all supported AMD CPUs */
+#define CPU_AMD_ALL (CPU_AMD_K6 | CPU_K7_PLUS)
+
+/* Select all supported CPUs */
+#define CPU_ALL (CPU_INTEL_ALL | CPU_AMD_ALL)
+
#define MAX_CPU_FILES 512
struct cpu_private {
diff --git a/arch/x86/include/asm/dmi.h b/arch/x86/include/asm/dmi.h
index bc68212c6bc..aa32f7e6c19 100644
--- a/arch/x86/include/asm/dmi.h
+++ b/arch/x86/include/asm/dmi.h
@@ -2,21 +2,11 @@
#define _ASM_X86_DMI_H
#include <asm/io.h>
+#include <asm/setup.h>
-#define DMI_MAX_DATA 2048
-
-extern int dmi_alloc_index;
-extern char dmi_alloc_data[DMI_MAX_DATA];
-
-/* This is so early that there is no good way to allocate dynamic memory.
- Allocate data in an BSS array. */
static inline void *dmi_alloc(unsigned len)
{
- int idx = dmi_alloc_index;
- if ((dmi_alloc_index + len) > DMI_MAX_DATA)
- return NULL;
- dmi_alloc_index += len;
- return dmi_alloc_data + idx;
+ return extend_brk(len, sizeof(int));
}
/* Use early IO mappings for DMI because it's initialized early */
diff --git a/arch/x86/include/asm/page_32_types.h b/arch/x86/include/asm/page_32_types.h
index f1e4a79a6e4..0f915ae649a 100644
--- a/arch/x86/include/asm/page_32_types.h
+++ b/arch/x86/include/asm/page_32_types.h
@@ -39,6 +39,11 @@
#define __VIRTUAL_MASK_SHIFT 32
#endif /* CONFIG_X86_PAE */
+/*
+ * Kernel image size is limited to 512 MB (see in arch/x86/kernel/head_32.S)
+ */
+#define KERNEL_IMAGE_SIZE (512 * 1024 * 1024)
+
#ifndef __ASSEMBLY__
/*
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 0617d5cc971..31fe83b10a4 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -389,7 +389,7 @@ extern struct pv_lock_ops pv_lock_ops;
#define paravirt_type(op) \
[paravirt_typenum] "i" (PARAVIRT_PATCH(op)), \
- [paravirt_opptr] "m" (op)
+ [paravirt_opptr] "i" (&(op))
#define paravirt_clobber(clobber) \
[paravirt_clobber] "i" (clobber)
@@ -443,7 +443,7 @@ int paravirt_disable_iospace(void);
* offset into the paravirt_patch_template structure, and can therefore be
* freely converted back into a structure offset.
*/
-#define PARAVIRT_CALL "call *%[paravirt_opptr];"
+#define PARAVIRT_CALL "call *%c[paravirt_opptr];"
/*
* These macros are intended to wrap calls through one of the paravirt
diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
index 97612fc7632..31bd120cf2a 100644
--- a/arch/x86/include/asm/pgtable_32.h
+++ b/arch/x86/include/asm/pgtable_32.h
@@ -42,9 +42,6 @@ extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t);
*/
#undef TEST_ACCESS_OK
-/* The boot page tables (all created as a single array) */
-extern unsigned long pg0[];
-
#ifdef CONFIG_X86_PAE
# include <asm/pgtable-3level.h>
#else
diff --git a/arch/x86/include/asm/sections.h b/arch/x86/include/asm/sections.h
index 2b8c5160388..1b7ee5d673c 100644
--- a/arch/x86/include/asm/sections.h
+++ b/arch/x86/include/asm/sections.h
@@ -1 +1,8 @@
+#ifndef _ASM_X86_SECTIONS_H
+#define _ASM_X86_SECTIONS_H
+
#include <asm-generic/sections.h>
+
+extern char __brk_base[], __brk_limit[];
+
+#endif /* _ASM_X86_SECTIONS_H */
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 05c6f6b11fd..fbf0521eeed 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -100,20 +100,51 @@ extern struct boot_params boot_params;
*/
#define LOWMEMSIZE() (0x9f000)
+/* exceedingly early brk-like allocator */
+extern unsigned long _brk_end;
+void *extend_brk(size_t size, size_t align);
+
+/*
+ * Reserve space in the brk section. The name must be unique within
+ * the file, and somewhat descriptive. The size is in bytes. Must be
+ * used at file scope.
+ *
+ * (This uses a temp function to wrap the asm so we can pass it the
+ * size parameter; otherwise we wouldn't be able to. We can't use a
+ * "section" attribute on a normal variable because it always ends up
+ * being @progbits, which ends up allocating space in the vmlinux
+ * executable.)
+ */
+#define RESERVE_BRK(name,sz) \
+ static void __section(.discard) __used \
+ __brk_reservation_fn_##name##__(void) { \
+ asm volatile ( \
+ ".pushsection .brk_reservation,\"aw\",@nobits;" \
+ ".brk." #name ":" \
+ " 1:.skip %c0;" \
+ " .size .brk." #name ", . - 1b;" \
+ " .popsection" \
+ : : "i" (sz)); \
+ }
+
#ifdef __i386__
void __init i386_start_kernel(void);
extern void probe_roms(void);
-extern unsigned long init_pg_tables_start;
-extern unsigned long init_pg_tables_end;
-
#else
void __init x86_64_start_kernel(char *real_mode);
void __init x86_64_start_reservations(char *real_mode_data);
#endif /* __i386__ */
#endif /* _SETUP */
+#else
+#define RESERVE_BRK(name,sz) \
+ .pushsection .brk_reservation,"aw",@nobits; \
+.brk.name: \
+1: .skip sz; \
+ .size .brk.name,.-1b; \
+ .popsection
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */