Differential D10512 Diff 31487 sys/boot/efi/loader/bootinfo.c

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sys/boot/efi/loader/bootinfo.c

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* SUCH DAMAGE.		* SUCH DAMAGE.
*/		*/

#include <sys/cdefs.h>		#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");		__FBSDID("$FreeBSD$");

#include <stand.h>		#include <stand.h>
#include <string.h>		#include <string.h>
		#include <stdbool.h>
#include <sys/param.h>		#include <sys/param.h>
#include <sys/reboot.h>		#include <sys/reboot.h>
#include <sys/linker.h>		#include <sys/linker.h>
#include <sys/boot.h>		#include <sys/boot.h>
#include <machine/cpufunc.h>		#include <machine/cpufunc.h>
#include <machine/elf.h>		#include <machine/elf.h>
#include <machine/metadata.h>		#include <machine/metadata.h>
#include <machine/psl.h>		#include <machine/psl.h>

#include <efi.h>		#include <efi.h>
#include <efilib.h>		#include <efilib.h>
		#include <efisec.h>

#include "bootstrap.h"		#include "bootstrap.h"
#include "loader_efi.h"		#include "loader_efi.h"
		#include "key_inject.h"

#if defined(__amd64__)		#if defined(__amd64__)
#include <machine/specialreg.h>		#include <machine/specialreg.h>
#include "framebuffer.h"		#include "framebuffer.h"
#endif		#endif

#if defined(LOADER_FDT_SUPPORT)		#if defined(LOADER_FDT_SUPPORT)
#include <fdt_platform.h>		#include <fdt_platform.h>
#endif		#endif

int bi_load(char args, vm_offset_t modulep, vm_offset_t *kernendp);		int bi_load(char args, vm_offset_t modulep, vm_offset_t *kernendp);

extern EFI_SYSTEM_TABLE *ST;		extern EFI_SYSTEM_TABLE *ST;
		static EFI_GUID EfiKmsProtocolGuid = EFI_KMS_PROTOCOL;
		static EFI_GUID KernelKeyInjectorGuid = KERNEL_KEY_INJECTOR_GUID;

static const char howto_switches[] = "aCdrgDmphsv";		static const char howto_switches[] = "aCdrgDmphsv";
static int howto_masks[] = {		static int howto_masks[] = {
RB_ASKNAME, RB_CDROM, RB_KDB, RB_DFLTROOT, RB_GDB, RB_MULTIPLE,		RB_ASKNAME, RB_CDROM, RB_KDB, RB_DFLTROOT, RB_GDB, RB_MULTIPLE,
RB_MUTE, RB_PAUSE, RB_SERIAL, RB_SINGLE, RB_VERBOSE		RB_MUTE, RB_PAUSE, RB_SERIAL, RB_SINGLE, RB_VERBOSE
};		};

static int		static int
▲ Show 20 Lines • Show All 161 Lines • ▼ Show 20 Lines	#endif
for (md = fp->f_metadata; md != NULL; md = md->md_next)		for (md = fp->f_metadata; md != NULL; md = md->md_next)
if (!(md->md_type & MODINFOMD_NOCOPY))		if (!(md->md_type & MODINFOMD_NOCOPY))
MOD_METADATA(addr, md, c);		MOD_METADATA(addr, md, c);
}		}
MOD_END(addr, c);		MOD_END(addr, c);
return(addr);		return(addr);
}		}

		static void
		key_inject_set_client(struct preloaded_file *kfp)
		{
		EFI_KMS_CLIENT_INFO client;
		EFI_KMS_SERVICE *kms;
		EFI_HANDLE *handles;
		EFI_STATUS status;
		UINTN sz;
		u_int n, nin;

		/* Try and find a usable KMS instance */
		sz = 0;
		handles = NULL;
		status = BS->LocateHandle(ByProtocol, &EfiKmsProtocolGuid, 0, &sz, 0);

		if (status == EFI_BUFFER_TOO_SMALL) {
		handles = (EFI_HANDLE *)malloc(sz);
		status = BS->LocateHandle(ByProtocol, &EfiKmsProtocolGuid,
		0, &sz, handles);
		if (EFI_ERROR(status)) {
		printf("Error getting handles for kernel KMS %lu\n",
		EFI_ERROR_CODE(status));
		free(handles);
		}
		} else {
		printf("Error getting handles for kernel KMS %lu\n",
		EFI_ERROR_CODE(status));
		return;
		}

		nin = sz / sizeof(EFI_HANDLE);

		for (n = 0; n < nin; n++) {
		status = BS->OpenProtocol(handles[n], &EfiKmsProtocolGuid,
		(void**)&kms, IH, handles[n],
		EFI_OPEN_PROTOCOL_GET_PROTOCOL);

		if (EFI_ERROR(status)) {
		printf("Error getting protocol for kernel KMS %lu\n",
		EFI_ERROR_CODE(status));
		return;
		}


		if (!memcmp(&KernelKeyInjectorGuid, &(kms->ServiceId),
		sizeof(EFI_GUID))) {
		client.ClientIdSize = sizeof(struct preloaded_file *);
		client.ClientId = kfp;
		client.ClientNameType = EFI_KMS_DATA_TYPE_UTF8;
		client.ClientNameCount = strlen(kfp->f_name);
		client.ClientName = kfp->f_name;
		status = kms->RegisterClient(kms, &client, NULL, NULL);

		if (EFI_ERROR(status)) {
		printf("Error registering client for kernel KMS %lu\n",
		EFI_ERROR_CODE(status));
		}

		BS->CloseProtocol(handles[n], &EfiKmsProtocolGuid,
		IH, handles[n]);
		free(handles);

		return;
		}

		BS->CloseProtocol(handles[n], &EfiKmsProtocolGuid,
		IH, handles[n]);
		}
		}

static int		static int
bi_load_efi_data(struct preloaded_file *kfp)		bi_load_efi_data(struct preloaded_file *kfp)
{		{
EFI_MEMORY_DESCRIPTOR *mm;		EFI_MEMORY_DESCRIPTOR *mm;
EFI_PHYSICAL_ADDRESS addr;		EFI_PHYSICAL_ADDRESS addr;
EFI_STATUS status;		EFI_STATUS status;
size_t efisz;		size_t efisz;
UINTN efi_mapkey;		UINTN efi_mapkey;
UINTN mmsz, pages, retry, sz;		UINTN mmsz, pages, retry, sz;
UINT32 mmver;		UINT32 mmver;
struct efi_map_header *efihdr;		struct efi_map_header *efihdr;

		key_inject_set_client(kfp);
#if defined(__amd64__)		#if defined(__amd64__)
struct efi_fb efifb;		struct efi_fb efifb;

if (efi_find_framebuffer(&efifb) == 0) {		if (efi_find_framebuffer(&efifb) == 0) {
printf("EFI framebuffer information:\n");		printf("EFI framebuffer information:\n");
printf("addr, size 0x%lx, 0x%lx\n", efifb.fb_addr,		printf("addr, size 0x%lx, 0x%lx\n", efifb.fb_addr,
efifb.fb_size);		efifb.fb_size);
printf("dimensions %d x %d\n", efifb.fb_width,		printf("dimensions %d x %d\n", efifb.fb_width,
▲ Show 20 Lines • Show All 150 Lines • ▼ Show 20 Lines	#if defined(LOADER_FDT_SUPPORT)
/* Pad to a page boundary */		/* Pad to a page boundary */
if (dtb_size)		if (dtb_size)
addr += roundup(dtb_size, PAGE_SIZE);		addr += roundup(dtb_size, PAGE_SIZE);
#endif		#endif

kfp = file_findfile(NULL, "elf kernel");		kfp = file_findfile(NULL, "elf kernel");
if (kfp == NULL)		if (kfp == NULL)
kfp = file_findfile(NULL, "elf64 kernel");		kfp = file_findfile(NULL, "elf64 kernel");

if (kfp == NULL)		if (kfp == NULL)
panic("can't find kernel file");		panic("can't find kernel file");

kernend = 0; /* fill it in later */		kernend = 0; /* fill it in later */
file_addmetadata(kfp, MODINFOMD_HOWTO, sizeof howto, &howto);		file_addmetadata(kfp, MODINFOMD_HOWTO, sizeof howto, &howto);
file_addmetadata(kfp, MODINFOMD_ENVP, sizeof envp, &envp);		file_addmetadata(kfp, MODINFOMD_ENVP, sizeof envp, &envp);
#if defined(LOADER_FDT_SUPPORT)		#if defined(LOADER_FDT_SUPPORT)
if (dtb_size)		if (dtb_size)
file_addmetadata(kfp, MODINFOMD_DTBP, sizeof dtbp, &dtbp);		file_addmetadata(kfp, MODINFOMD_DTBP, sizeof dtbp, &dtbp);
else		else
printf("WARNING! Trying to fire up the kernel, but no "		printf("WARNING! Trying to fire up the kernel, but no "
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