Contributors: 31
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Michael Roth |
209 |
21.98% |
8 |
9.64% |
| Joerg Roedel |
140 |
14.72% |
12 |
14.46% |
| Kees Cook |
138 |
14.51% |
10 |
12.05% |
| Yinghai Lu |
84 |
8.83% |
1 |
1.20% |
| Chao Fan |
68 |
7.15% |
4 |
4.82% |
| Joe Millenbach |
41 |
4.31% |
4 |
4.82% |
| Kirill A. Shutemov |
38 |
4.00% |
7 |
8.43% |
| Brijesh Singh |
38 |
4.00% |
1 |
1.20% |
| Baoquan He |
25 |
2.63% |
3 |
3.61% |
| Ian Campbell |
23 |
2.42% |
2 |
2.41% |
| Tom Lendacky |
22 |
2.31% |
2 |
2.41% |
| Borislav Petkov |
18 |
1.89% |
3 |
3.61% |
| Linus Torvalds (pre-git) |
15 |
1.58% |
5 |
6.02% |
| Alain Knaff |
14 |
1.47% |
1 |
1.20% |
| H. Peter Anvin |
13 |
1.37% |
2 |
2.41% |
| Yakui Zhao |
12 |
1.26% |
1 |
1.20% |
| Nikunj A. Dadhania |
11 |
1.16% |
1 |
1.20% |
| Arvind Sankar |
10 |
1.05% |
2 |
2.41% |
| Jun'ichi Nomura |
6 |
0.63% |
2 |
2.41% |
| Andrey Ryabinin |
5 |
0.53% |
1 |
1.20% |
| Juergen Gross |
3 |
0.32% |
1 |
1.20% |
| Rusty Russell |
3 |
0.32% |
1 |
1.20% |
| Andrey Konovalov |
3 |
0.32% |
1 |
1.20% |
| Carl-Daniel Hailfinger |
2 |
0.21% |
1 |
1.20% |
| Linus Torvalds |
2 |
0.21% |
1 |
1.20% |
| Ingo Molnar |
2 |
0.21% |
1 |
1.20% |
| Nick Desaulniers |
2 |
0.21% |
1 |
1.20% |
| Kuppuswamy Sathyanarayanan |
1 |
0.11% |
1 |
1.20% |
| Brian Gerst |
1 |
0.11% |
1 |
1.20% |
| Greg Kroah-Hartman |
1 |
0.11% |
1 |
1.20% |
| Dave Hansen |
1 |
0.11% |
1 |
1.20% |
| Total |
951 |
|
83 |
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef BOOT_COMPRESSED_MISC_H
#define BOOT_COMPRESSED_MISC_H
/*
* Special hack: we have to be careful, because no indirections are allowed here,
* and paravirt_ops is a kind of one. As it will only run in baremetal anyway,
* we just keep it from happening. (This list needs to be extended when new
* paravirt and debugging variants are added.)
*/
#undef CONFIG_PARAVIRT
#undef CONFIG_PARAVIRT_XXL
#undef CONFIG_PARAVIRT_SPINLOCKS
#undef CONFIG_KASAN
#undef CONFIG_KASAN_GENERIC
#define __NO_FORTIFY
/* cpu_feature_enabled() cannot be used this early */
#define USE_EARLY_PGTABLE_L5
/*
* Boot stub deals with identity mappings, physical and virtual addresses are
* the same, so override these defines.
*
* <asm/page.h> will not define them if they are already defined.
*/
#define __pa(x) ((unsigned long)(x))
#define __va(x) ((void *)((unsigned long)(x)))
#include <linux/linkage.h>
#include <linux/screen_info.h>
#include <linux/elf.h>
#include <asm/page.h>
#include <asm/boot.h>
#include <asm/bootparam.h>
#include <asm/desc_defs.h>
#include "tdx.h"
#define BOOT_CTYPE_H
#include <linux/acpi.h>
#define BOOT_BOOT_H
#include "../ctype.h"
#include "../io.h"
#include "efi.h"
#ifdef CONFIG_X86_64
#define memptr long
#else
#define memptr unsigned
#endif
/* boot/compressed/vmlinux start and end markers */
extern char _head[], _end[];
/* misc.c */
extern memptr free_mem_ptr;
extern memptr free_mem_end_ptr;
extern int spurious_nmi_count;
void *malloc(int size);
void free(void *where);
void __putstr(const char *s);
void __puthex(unsigned long value);
void __putdec(unsigned long value);
#define error_putstr(__x) __putstr(__x)
#define error_puthex(__x) __puthex(__x)
#define error_putdec(__x) __putdec(__x)
#ifdef CONFIG_X86_VERBOSE_BOOTUP
#define debug_putstr(__x) __putstr(__x)
#define debug_puthex(__x) __puthex(__x)
#define debug_putaddr(__x) { \
debug_putstr(#__x ": 0x"); \
debug_puthex((unsigned long)(__x)); \
debug_putstr("\n"); \
}
#else
static inline void debug_putstr(const char *s)
{ }
static inline void debug_puthex(unsigned long value)
{ }
#define debug_putaddr(x) /* */
#endif
/* cmdline.c */
int cmdline_find_option(const char *option, char *buffer, int bufsize);
int cmdline_find_option_bool(const char *option);
struct mem_vector {
u64 start;
u64 size;
};
#ifdef CONFIG_RANDOMIZE_BASE
/* kaslr.c */
void choose_random_location(unsigned long input,
unsigned long input_size,
unsigned long *output,
unsigned long output_size,
unsigned long *virt_addr);
#else
static inline void choose_random_location(unsigned long input,
unsigned long input_size,
unsigned long *output,
unsigned long output_size,
unsigned long *virt_addr)
{
}
#endif
/* cpuflags.c */
bool has_cpuflag(int flag);
#ifdef CONFIG_X86_64
extern int set_page_decrypted(unsigned long address);
extern int set_page_encrypted(unsigned long address);
extern int set_page_non_present(unsigned long address);
extern unsigned char _pgtable[];
#endif
#ifdef CONFIG_EARLY_PRINTK
/* early_serial_console.c */
extern int early_serial_base;
void console_init(void);
#else
static const int early_serial_base;
static inline void console_init(void)
{ }
#endif
#ifdef CONFIG_AMD_MEM_ENCRYPT
void sev_enable(struct boot_params *bp);
void snp_check_features(void);
void sev_es_shutdown_ghcb(void);
extern bool sev_es_check_ghcb_fault(unsigned long address);
void snp_set_page_private(unsigned long paddr);
void snp_set_page_shared(unsigned long paddr);
void sev_prep_identity_maps(unsigned long top_level_pgt);
#else
static inline void sev_enable(struct boot_params *bp)
{
/*
* bp->cc_blob_address should only be set by boot/compressed kernel.
* Initialize it to 0 unconditionally (thus here in this stub too) to
* ensure that uninitialized values from buggy bootloaders aren't
* propagated.
*/
if (bp)
bp->cc_blob_address = 0;
}
static inline void snp_check_features(void) { }
static inline void sev_es_shutdown_ghcb(void) { }
static inline bool sev_es_check_ghcb_fault(unsigned long address)
{
return false;
}
static inline void snp_set_page_private(unsigned long paddr) { }
static inline void snp_set_page_shared(unsigned long paddr) { }
static inline void sev_prep_identity_maps(unsigned long top_level_pgt) { }
#endif
/* acpi.c */
#ifdef CONFIG_ACPI
acpi_physical_address get_rsdp_addr(void);
#else
static inline acpi_physical_address get_rsdp_addr(void) { return 0; }
#endif
#if defined(CONFIG_RANDOMIZE_BASE) && defined(CONFIG_MEMORY_HOTREMOVE) && defined(CONFIG_ACPI)
extern struct mem_vector immovable_mem[MAX_NUMNODES*2];
int count_immovable_mem_regions(void);
#else
static inline int count_immovable_mem_regions(void) { return 0; }
#endif
/* ident_map_64.c */
extern unsigned int __pgtable_l5_enabled, pgdir_shift, ptrs_per_p4d;
extern void kernel_add_identity_map(unsigned long start, unsigned long end);
/* Used by PAGE_KERN* macros: */
extern pteval_t __default_kernel_pte_mask;
/* idt_64.c */
extern gate_desc boot_idt[BOOT_IDT_ENTRIES];
extern struct desc_ptr boot_idt_desc;
#ifdef CONFIG_X86_64
void cleanup_exception_handling(void);
#else
static inline void cleanup_exception_handling(void) { }
#endif
/* IDT Entry Points */
void boot_page_fault(void);
void boot_nmi_trap(void);
void boot_stage1_vc(void);
void boot_stage2_vc(void);
unsigned long sev_verify_cbit(unsigned long cr3);
enum efi_type {
EFI_TYPE_64,
EFI_TYPE_32,
EFI_TYPE_NONE,
};
#ifdef CONFIG_EFI
/* helpers for early EFI config table access */
enum efi_type efi_get_type(struct boot_params *bp);
unsigned long efi_get_system_table(struct boot_params *bp);
int efi_get_conf_table(struct boot_params *bp, unsigned long *cfg_tbl_pa,
unsigned int *cfg_tbl_len);
unsigned long efi_find_vendor_table(struct boot_params *bp,
unsigned long cfg_tbl_pa,
unsigned int cfg_tbl_len,
efi_guid_t guid);
#else
static inline enum efi_type efi_get_type(struct boot_params *bp)
{
return EFI_TYPE_NONE;
}
static inline unsigned long efi_get_system_table(struct boot_params *bp)
{
return 0;
}
static inline int efi_get_conf_table(struct boot_params *bp,
unsigned long *cfg_tbl_pa,
unsigned int *cfg_tbl_len)
{
return -ENOENT;
}
static inline unsigned long efi_find_vendor_table(struct boot_params *bp,
unsigned long cfg_tbl_pa,
unsigned int cfg_tbl_len,
efi_guid_t guid)
{
return 0;
}
#endif /* CONFIG_EFI */
#ifdef CONFIG_UNACCEPTED_MEMORY
bool init_unaccepted_memory(void);
#else
static inline bool init_unaccepted_memory(void) { return false; }
#endif
/* Defined in EFI stub */
extern struct efi_unaccepted_memory *unaccepted_table;
void accept_memory(phys_addr_t start, phys_addr_t end);
#endif /* BOOT_COMPRESSED_MISC_H */