Differential D28495 Diff 83402 stand/efi/loader/bootinfo.c

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stand/efi/loader/bootinfo.c

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

#ifdef LOADER_GELI_SUPPORT		#ifdef LOADER_GELI_SUPPORT
#include "geliboot.h"		#include "geliboot.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,
		bool exit_bs);

extern EFI_SYSTEM_TABLE *ST;		extern EFI_SYSTEM_TABLE *ST;

static int		static int
bi_getboothowto(char *kargs)		bi_getboothowto(char *kargs)
{		{
const char sw, tmp;		const char sw, tmp;
char *opts;		char *opts;
▲ Show 20 Lines • Show All 207 Lines • ▼ Show 20 Lines	for (curr = 0; curr < ndesc;
}		}
}		}
ret = RS->SetVirtualAddressMap(nset * mmsz, mmsz, mmver, vmap);		ret = RS->SetVirtualAddressMap(nset * mmsz, mmsz, mmver, vmap);
free(vmap);		free(vmap);
return (ret);		return (ret);
}		}

static int		static int
bi_load_efi_data(struct preloaded_file *kfp)		bi_load_efi_data(struct preloaded_file *kfp, bool exit_bs)
{		{
EFI_MEMORY_DESCRIPTOR *mm;		EFI_MEMORY_DESCRIPTOR *mm;
EFI_PHYSICAL_ADDRESS addr = 0;		EFI_PHYSICAL_ADDRESS addr = 0;
EFI_STATUS status;		EFI_STATUS status;
const char *efi_novmap;		const char *efi_novmap;
size_t efisz;		size_t efisz;
UINTN efi_mapkey;		UINTN efi_mapkey;
UINTN dsz, pages, retry, sz;		UINTN dsz, pages, retry, sz;
▲ Show 20 Lines • Show All 91 Lines • ▼ Show 20 Lines	for (;;) {
* memory map on a 16-byte boundary (the bootinfo block is page		* memory map on a 16-byte boundary (the bootinfo block is page
* aligned).		* aligned).
*/		*/
efihdr = (struct efi_map_header *)(uintptr_t)addr;		efihdr = (struct efi_map_header *)(uintptr_t)addr;
mm = (void )((uint8_t )efihdr + efisz);		mm = (void )((uint8_t )efihdr + efisz);
sz = (EFI_PAGE_SIZE * pages) - efisz;		sz = (EFI_PAGE_SIZE * pages) - efisz;
}		}

		if (!exit_bs)
		break;
status = BS->ExitBootServices(IH, efi_mapkey);		status = BS->ExitBootServices(IH, efi_mapkey);
if (!EFI_ERROR(status))		if (!EFI_ERROR(status))
break;		break;
}		}

if (retry == 0) {		if (retry == 0) {
BS->FreePages(addr, pages);		BS->FreePages(addr, pages);
printf("ExitBootServices error %lu\n", EFI_ERROR_CODE(status));		printf("ExitBootServices error %lu\n", EFI_ERROR_CODE(status));
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*		*
* - The 'boothowto' argument is constructed.		* - The 'boothowto' argument is constructed.
* - The 'bootdev' argument is constructed.		* - The 'bootdev' argument is constructed.
* - The 'bootinfo' struct is constructed, and copied into the kernel space.		* - The 'bootinfo' struct is constructed, and copied into the kernel space.
* - The kernel environment is copied into kernel space.		* - The kernel environment is copied into kernel space.
* - Module metadata are formatted and placed in kernel space.		* - Module metadata are formatted and placed in kernel space.
*/		*/
int		int
bi_load(char args, vm_offset_t modulep, vm_offset_t *kernendp)		bi_load(char args, vm_offset_t modulep, vm_offset_t *kernendp, bool exit_bs)
{		{
struct preloaded_file xp, kfp;		struct preloaded_file xp, kfp;
struct devdesc *rootdev;		struct devdesc *rootdev;
struct file_metadata *md;		struct file_metadata *md;
vm_offset_t addr;		vm_offset_t addr;
uint64_t kernend;		uint64_t kernend;
uint64_t envp;		uint64_t envp;
vm_offset_t size;		vm_offset_t size;
▲ Show 20 Lines • Show All 82 Lines • ▼ Show 20 Lines	else
printf("WARNING! Trying to fire up the kernel, but no "		printf("WARNING! Trying to fire up the kernel, but no "
"device tree blob found!\n");		"device tree blob found!\n");
#endif		#endif
file_addmetadata(kfp, MODINFOMD_KERNEND, sizeof(kernend), &kernend);		file_addmetadata(kfp, MODINFOMD_KERNEND, sizeof(kernend), &kernend);
file_addmetadata(kfp, MODINFOMD_FW_HANDLE, sizeof(ST), &ST);		file_addmetadata(kfp, MODINFOMD_FW_HANDLE, sizeof(ST), &ST);
#ifdef LOADER_GELI_SUPPORT		#ifdef LOADER_GELI_SUPPORT
geli_export_key_metadata(kfp);		geli_export_key_metadata(kfp);
#endif		#endif
bi_load_efi_data(kfp);		bi_load_efi_data(kfp, exit_bs);

/* Figure out the size and location of the metadata. */		/* Figure out the size and location of the metadata. */
*modulep = addr;		*modulep = addr;
size = bi_copymodules(0);		size = bi_copymodules(0);
kernend = roundup(addr + size, PAGE_SIZE);		kernend = roundup(addr + size, PAGE_SIZE);
*kernendp = kernend;		*kernendp = kernend;

/* patch MODINFOMD_KERNEND */		/* patch MODINFOMD_KERNEND */
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