Chameleon

Chameleon Commit Details

Date:2012-07-08 22:28:10 (6 years 11 months ago)
Author:armel cadet-petit
Commit:2006
Parents: 2005
Message:Fixed a bug in boot arguments
Changes:
M/branches/cparm/i386/libsaio/bootstruct.h
M/branches/cparm/i386/modules/HibernateEnabler/graphic_utils.c
M/branches/cparm/i386/modules/GUI/gui.c
M/branches/cparm/i386/boot2/mboot.c
M/branches/cparm/i386/libsaio/bootXnu.h
M/branches/cparm/i386/boot2/boot.c
M/branches/cparm/i386/modules/GUI/graphic_utils.c
M/branches/cparm/i386/libsaio/bootstruct.c
M/branches/cparm/i386/libsa/printf.c
M/branches/cparm/CHANGES
M/branches/cparm/i386/libsaio/saio_internal.h

File differences

branches/cparm/CHANGES
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- security fixes in printf.c
- Fixed a weird bug in boot arguments that could prevent 10.8 to boot
- security, stability, bugs fixes
- moved __doprnt to the xnu version
branches/cparm/i386/libsaio/bootstruct.c
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#include "bootstruct.h"
#include "platform.h"
boot_args_common *bootArgs = NULL;
/*==========================================================================
* structure of parameters passed to
* the kernel by the booter.
*/
boot_args_Legacy *bootArgsLegacy = NULL;
boot_args_107 *bootArgs107 = NULL;
boot_args_108 *bootArgs108 = NULL;
/* ... */
boot_args_legacy *bootArgsLegacy= NULL;
boot_args *bootArgs= NULL;
PrivateBootInfo_t *bootInfo = NULL;
unsigned long memoryMapCount = 0;
bootArgs = (boot_args_common *)malloc(sizeof(boot_args_common));
bootArgs = (boot_args *)malloc(sizeof(boot_args));
bootInfo = (PrivateBootInfo_t *)malloc(sizeof(PrivateBootInfo_t));
if (bootArgs == NULL || bootInfo == NULL)
stop("Couldn't allocate boot info\n");
else
{
bzero(bootArgs, sizeof(boot_args_common));
bzero(bootArgs, sizeof(boot_args));
bzero(bootInfo, sizeof(PrivateBootInfo_t));
// Get system memory map. Also update the size of the
bootArgs->Video.v_baseAddr = Video->v_baseAddr;
return;
}
boot_args_common * getBootArgs(void)
boot_args * getBootArgs(void)
{
return bootArgs;
}
#define AllocateKernelMemoryForBootArgs(Ver) \
{ \
bootArgs##Ver = (boot_args_##Ver *)AllocateKernelMemory(sizeof(boot_args_##Ver));\
}
#define CopyCommonBootArgsHeader(Ver) \
{ \
bootArgs##Ver->Revision = bootArgs->Header.Revision ;\
bootArgs##Ver->Version = bootArgs->Header.Version ;\
}
// For 10.6, 10.5 and 10.4 please use :Legacy:, for 10.7 use :107:, for 10.8 use :108:
#define CopyCommonBootArgs(Ver) \
{ \
bcopy(bootArgs->CommandLine, bootArgs##Ver->CommandLine, BOOT_LINE_LENGTH);\
bootArgs##Ver->MemoryMap = bootArgs->MemoryMap ;\
bootArgs##Ver->MemoryMapSize = bootArgs->MemoryMapSize ;\
bootArgs##Ver->MemoryMapDescriptorSize = bootArgs->MemoryMapDescriptorSize ;\
bootArgs##Ver->MemoryMapDescriptorVersion = bootArgs->MemoryMapDescriptorVersion ;\
bootArgs##Ver->Video = bootArgs->Video ;\
bootArgs##Ver->deviceTreeP = bootArgs->deviceTreeP ;\
bootArgs##Ver->deviceTreeLength = bootArgs->deviceTreeLength ;\
bootArgs##Ver->kaddr = bootArgs->kaddr ;\
bootArgs##Ver->ksize = bootArgs->ksize ;\
bootArgs##Ver->efiRuntimeServicesPageStart = bootArgs->efiRuntimeServicesPageStart ;\
bootArgs##Ver->efiRuntimeServicesPageCount = bootArgs->efiRuntimeServicesPageCount ;\
bootArgs##Ver->efiSystemTable = bootArgs->efiSystemTable ;\
bootArgs##Ver->efiMode = bootArgs->efiMode ;\
bootArgs##Ver->performanceDataStart = bootArgs->performanceDataStart ;\
bootArgs##Ver->performanceDataSize = bootArgs->performanceDataSize ;\
bootArgs##Ver->efiRuntimeServicesVirtualPageStart = bootArgs->efiRuntimeServicesVirtualPageStart ;\
}
/*
* Darwin 10.7+ specific boot arguments
*
* for 10.7 use :107:, for 10.8 use :108:
*/
#define Copy107plusBootArgs(Ver) \
{ \
bootArgs##Ver->keyStoreDataStart = bootArgs->keyStoreDataStart ;\
bootArgs##Ver->keyStoreDataSize = bootArgs->keyStoreDataSize ;\
bootArgs##Ver->bootMemStart = bootArgs->bootMemStart ;\
bootArgs##Ver->bootMemSize = bootArgs->bootMemSize ;\
bootArgs##Ver->PhysicalMemorySize = bootArgs->PhysicalMemorySize ;\
bootArgs##Ver->FSBFrequency = bootArgs->FSBFrequency ;\
bootArgs##Ver->debugMode = bootArgs->debugMode ;\
}
#define init_boot_args(Ver) \
{ \
AllocateKernelMemoryForBootArgs(Ver);\
CopyCommonBootArgsHeader(Ver);\
CopyCommonBootArgs(Ver);\
}
/* Copy boot args after kernel and record address. */
void
reserveKern107BootStruct(void)
{
init_boot_args(107);
Copy107plusBootArgs(107);
}
void
reserveKern108BootStruct(void)
{
init_boot_args(108);
Copy107plusBootArgs(108);
reserveKernBootStruct(void)
{
void *oldAddr = bootArgs;
/* Darwin 10.8 specific boot arguments */
bootArgs = (boot_args *)AllocateKernelMemory(sizeof(boot_args));
bcopy(oldAddr, bootArgs, sizeof(boot_args));
}
void
reserveKernLegacyBootStruct(void)
{
init_boot_args(Legacy);
{
bootArgsLegacy = (boot_args_legacy *)AllocateKernelMemory(sizeof(boot_args_legacy));
bootArgsLegacy->Revision = bootArgs->Revision ;
bootArgsLegacy->Version = bootArgs->Version ;
bcopy(bootArgs->CommandLine, bootArgsLegacy->CommandLine, BOOT_LINE_LENGTH);
bootArgsLegacy->MemoryMap = bootArgs->MemoryMap ;
bootArgsLegacy->MemoryMapSize = bootArgs->MemoryMapSize ;
bootArgsLegacy->MemoryMapDescriptorSize = bootArgs->MemoryMapDescriptorSize ;
bootArgsLegacy->MemoryMapDescriptorVersion = bootArgs->MemoryMapDescriptorVersion ;
bootArgsLegacy->Video = bootArgs->Video ;
bootArgsLegacy->deviceTreeP = bootArgs->deviceTreeP ;
bootArgsLegacy->deviceTreeLength = bootArgs->deviceTreeLength ;
bootArgsLegacy->kaddr = bootArgs->kaddr ;
bootArgsLegacy->ksize = bootArgs->ksize ;
bootArgsLegacy->efiRuntimeServicesPageStart = bootArgs->efiRuntimeServicesPageStart ;
bootArgsLegacy->efiRuntimeServicesPageCount = bootArgs->efiRuntimeServicesPageCount ;
bootArgsLegacy->efiSystemTable = bootArgs->efiSystemTable ;
bootArgsLegacy->efiMode = bootArgs->efiMode ;
bootArgsLegacy->performanceDataStart = bootArgs->performanceDataStart ;
bootArgsLegacy->performanceDataSize = bootArgs->performanceDataSize ;
bootArgsLegacy->efiRuntimeServicesVirtualPageStart = bootArgs->efiRuntimeServicesVirtualPageStart ;
}
void
branches/cparm/i386/libsaio/bootstruct.h
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/*!
Kernel boot args global also used by booter for its own data.
*/
extern boot_args_common *bootArgs;
extern boot_args_legacy *bootArgsLegacy;
extern boot_args *bootArgs;
/*!
Boot args passed to the kernel.
*/
extern boot_args_Legacy *bootArgsLegacy;
extern boot_args_107 *bootArgs107;
extern boot_args_108 *bootArgs108;
#define VGA_TEXT_MODE 0
#if 0
branches/cparm/i386/libsaio/bootXnu.h
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typedef struct Boot_VideoBoot_Video;
/* Struct describing an image passed in by the booter */
struct boot_icon_element {
unsigned int width;
unsigned int height;
int y_offset_from_center;
unsigned int data_size;
unsigned int __reserved1[4];
unsigned char data[0];
};
typedef struct boot_icon_element boot_icon_element;
/* Values for v_display */
#define GRAPHICS_MODE 1
#define kBootArgsEfiMode32 32
#define kBootArgsEfiMode64 64
typedef struct boot_args_Legacy {
typedef struct boot_args_legacy {
uint16_t Revision;/* Revision of boot_args structure */
uint16_t Version;/* Version of boot_args structure */
uint64_t efiRuntimeServicesVirtualPageStart; /* virtual address of defragmented runtime pages */
uint32_t __reserved3[2];
} boot_args_Legacy;
} boot_args_legacy;
typedef struct boot_args_107 {
uint16_t Revision;/* Revision of boot_args structure */
uint16_t Version;/* Version of boot_args structure */
/* Bitfields for boot_args->flags */
#define kBootArgsFlagRebootOnPanic (1 << 0)
#define kBootArgsFlagHiDPI (1 << 1)
typedef struct boot_args {
uint16_t Revision; /* Revision of boot_args structure */
uint16_t Version; /* Version of boot_args structure */
uint8_t efiMode; /* 32 = 32-bit, 64 = 64-bit */
uint8_t debugMode; /* Bit field with behavior changes */
uint8_t __reserved1[2];
char CommandLine[BOOT_LINE_LENGTH];/* Passed in command line */
uint16_t flags;
char CommandLine[BOOT_LINE_LENGTH]; /* Passed in command line */
uint32_t MemoryMap; /* Physical address of memory map */
uint32_t MemoryMapSize;
uint32_t MemoryMapDescriptorSize;
uint32_t MemoryMapDescriptorVersion;
Boot_VideoVideo;/* Video Information */
uint32_t deviceTreeP; /* Physical address of flattened device tree */
Boot_Video Video; /* Video Information */
uint32_t deviceTreeP; /* Physical address of flattened device tree */
uint32_t deviceTreeLength; /* Length of flattened tree */
uint32_t kaddr; /* Physical address of beginning of kernel text */
uint32_t ksize; /* Size of combined kernel text+data+efi */
uint32_t efiRuntimeServicesPageStart; /* physical address of defragmented runtime pages */
uint32_t efiRuntimeServicesPageCount;
uint64_t efiRuntimeServicesVirtualPageStart; /* virtual address of defragmented runtime pages */
uint32_t efiSystemTable; /* physical address of system table in runtime area */
uint32_t __reserved2;
uint32_t kslide;
uint32_t performanceDataStart; /* physical address of log */
uint32_t performanceDataSize;
uint32_t keyStoreDataStart; /* physical address of key store data */
uint32_t keyStoreDataSize;
uint64_tbootMemStart;
uint64_tbootMemSize;
uint64_t bootMemStart;
uint64_t bootMemSize;
uint64_t PhysicalMemorySize;
uint64_t FSBFrequency;
uint64_t pciConfigSpaceBaseAddress;
uint32_t pciConfigSpaceStartBusNumber;
uint32_t pciConfigSpaceEndBusNumber;
uint32_t __reserved4[730];
} boot_args_107;
typedef struct boot_args_108 {
uint16_t Revision;/* Revision of boot_args structure */
uint16_t Version;/* Version of boot_args structure */
uint8_t efiMode; /* 32 = 32-bit, 64 = 64-bit */
uint8_t debugMode; /* Bit field with behavior changes */
uint8_t __reserved1[2];
char CommandLine[BOOT_LINE_LENGTH];/* Passed in command line */
uint32_t MemoryMap; /* Physical address of memory map */
uint32_t MemoryMapSize;
uint32_t MemoryMapDescriptorSize;
uint32_t MemoryMapDescriptorVersion;
Boot_VideoVideo;/* Video Information */
uint32_t deviceTreeP; /* Physical address of flattened device tree */
uint32_t deviceTreeLength; /* Length of flattened tree */
uint32_t kaddr; /* Physical address of beginning of kernel text */
uint32_t ksize; /* Size of combined kernel text+data+efi */
uint32_t efiRuntimeServicesPageStart; /* physical address of defragmented runtime pages */
uint32_t efiRuntimeServicesPageCount;
uint64_t efiRuntimeServicesVirtualPageStart; /* virtual address of defragmented runtime pages */
uint32_t efiSystemTable; /* physical address of system table in runtime area */
uint32_t __reserved2;
uint32_t performanceDataStart; /* physical address of log */
uint32_t performanceDataSize;
uint32_t keyStoreDataStart; /* physical address of key store data */
uint32_t keyStoreDataSize;
uint64_tbootMemStart;
uint64_tbootMemSize;
uint64_t PhysicalMemorySize;
uint64_t FSBFrequency;
uint64_t pciConfigSpaceBaseAddress;
uint32_t pciConfigSpaceStartBusNumber;
uint32_t pciConfigSpaceEndBusNumber;
uint32_t __reserved4[730];
} boot_args_108; // for now apparently the same package for 10.8 and 10.7
typedef struct boot_args_header {
uint16_t Revision;/* Revision of boot_args structure */
uint16_t Version;/* Version of boot_args structure */
} boot_args_header;
typedef struct boot_args_10x {
boot_args_header Header;
Boot_VideoVideo;/* Video Information */
uint32_t MemoryMap; /* Physical address of memory map */
uint32_t MemoryMapSize;
uint32_t MemoryMapDescriptorSize;
uint32_t MemoryMapDescriptorVersion;
uint8_t debugMode; /* Bit field with behavior changes */
uint8_t efiMode; /* 32 = 32-bit, 64 = 64-bit */
uint32_t deviceTreeP; /* Physical address of flattened device tree */
uint32_t deviceTreeLength; /* Length of flattened tree */
char CommandLine[BOOT_LINE_LENGTH];/* Passed in command line */
uint32_t keyStoreDataStart; /* physical address of key store data */
uint32_t keyStoreDataSize;
uint32_t efiRuntimeServicesPageStart; /* physical address of defragmented runtime pages */
uint32_t efiRuntimeServicesPageCount;
uint64_t efiRuntimeServicesVirtualPageStart; /* virtual address of defragmented runtime pages */
uint32_t efiSystemTable; /* physical address of system table in runtime area */
uint64_t FSBFrequency;
uint32_t performanceDataSize;
uint32_t performanceDataStart; /* physical address of log */
uint32_t kaddr; /* Physical address of beginning of kernel text */
uint32_t ksize; /* Size of combined kernel text+data+efi */
uint64_tbootMemStart;
uint64_tbootMemSize;
uint64_t PhysicalMemorySize;
uint64_t pciConfigSpaceBaseAddress;
uint32_t pciConfigSpaceStartBusNumber;
uint32_t pciConfigSpaceEndBusNumber;
} boot_args_10x;
} boot_args;
typedef struct boot_args_10x boot_args_common;
extern char assert_boot_args_size_is_4096[sizeof(boot_args) == 4096 ? 1 : -1];
extern char assert_boot_args_107_size_is_4096[sizeof(boot_args_107) == 4096 ? 1 : -1];
extern char assert_boot_args_108_size_is_4096[sizeof(boot_args_108) == 4096 ? 1 : -1];
#endif /* _PEXPERT_I386_BOOT_H */
branches/cparm/i386/libsaio/saio_internal.h
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extern void copyKernBootStruct(void);
extern void finalizeBootStruct(void);
extern void reserveKernLegacyBootStruct(void);
extern void reserveKern107BootStruct(void);
extern void reserveKern108BootStruct(void);
extern void reserveKernBootStruct(void);
extern void setBootArgsVideoMode(int mode);
extern void setBootArgsVideoStruct(Boot_Video*Video);
extern uint32_t getVideoMode(void);
extern boot_args_common * getBootArgs(void);
extern boot_args * getBootArgs(void);
/* cache.c */
branches/cparm/i386/boot2/boot.c
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static bool find_file_with_ext(const char* dir, const char *ext, const char * name_compare, size_t ext_size);
static bool found_extra_kext(void);
static void determineCpuArch(void);
static void init_pic(void);
void getKernelCachePath(void);
#ifdef NBP_SUPPORT
static bool gUnloadPXEOnExit = false;
malloc_init(0, 0, 0, malloc_error);
}
static void init_pic(void)
{
/* Remap IRQ's */
/*
outb(0x20, 0x11);
outb(0xA0, 0x11);
outb(0x21, 0x20);
outb(0xA1, 0x28);
outb(0x21, 0x04);
outb(0xA1, 0x02);
outb(0x21, 0x01);
outb(0xA1, 0x01);
*/
//outb(0x70, inb(0x70)|0x80); /* Disable NMI */
outb(0x21, 0xff); /* Maskout all interrupts Pic1 */
outb(0xa1, 0xff); /* Maskout all interrupts Pic2 */
}
//==========================================================================
// execKernel - Load the kernel image (mach-o) and jump to its entry point.
if(((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3] <= '6')
{
bootArgs->Header.Version = kBootArgsVersion1;
bootArgs->Header.Revision = ((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3];
bootArgs->Version = kBootArgsVersion1;
bootArgs->Revision = ((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3];
}
else
{
#if kBootArgsVersion > 1
bootArgs->Header.Version = kBootArgsVersion;
bootArgs->Header.Revision = kBootArgsRevision;
bootArgs->Version = kBootArgsVersion;
bootArgs->Revision = kBootArgsRevision;
#else
if(((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3] >= '7')
{
bootArgs->Header.Version = 2;
bootArgs->Header.Revision = 0;
bootArgs->Version = 2;
bootArgs->Revision = 0;
}
#endif
}
(int *)&bootArgs->ksize );
if ( ret != 0 )
return ret;
return ret;
// Reserve space for boot args for 10.7 only (for 10.6 and earlier, we will convert (to legacy) the structure and reserve kernel memory for it later.)
if(((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3] >= '7')
reserveKernBootStruct();
// Load boot drivers from the specifed root path.
execute_hook("Kernel Start", (void*)kernelEntry, (void*)bootArgs, NULL, NULL, NULL, NULL);// Notify modules that the kernel is about to be started
switch (((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3]) {
case '4':
case '5':
case '6':
reserveKernLegacyBootStruct();
break;
case '7':
reserveKern107BootStruct();
break;
case '8':
reserveKern108BootStruct();
break;
default:
break;
}
if (((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3] <= '6')
reserveKernLegacyBootStruct();
#if UNUSED
turnOffFloppy();
IMPS_LAPIC_WRITE(LAPIC_LVT1, LAPIC_ICR_DM_NMI);
#endif
switch (((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3]) {
case '4':
case '5':
case '6':
// Jump to kernel's entry point. There's no going back now. XXX LEGACY OS XXX
startprog( kernelEntry, bootArgsLegacy );
break;
case '7':
init_pic();
// Jump to kernel's entry point. There's no going back now. XXX LION XXX
startprog( kernelEntry, bootArgs107 );
break;
case '8':
init_pic();
// Jump to kernel's entry point. There's no going back now. XXX MOUNTAIN LION XXX
startprog( kernelEntry, bootArgs108 );
break;
default:
printf("Error: Unsupported Darwin version\n");
getc();
break;
if (((BVRef)(uint32_t)get_env(envgBootVolume))->OSVersion[3] <= '6') {
// Jump to kernel's entry point. There's no going back now. XXX LEGACY OS XXX
startprog( kernelEntry, bootArgsLegacy );
}
outb(0x21, 0xff); /* Maskout all interrupts Pic1 */
outb(0xa1, 0xff); /* Maskout all interrupts Pic2 */
// Jump to kernel's entry point. There's no going back now. XXX LION XXX
startprog( kernelEntry, bootArgs );
// Should not be reached
return 0;
branches/cparm/i386/boot2/mboot.c
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This is the same assumption that initKernBootStruct makes.
We could check the multiboot info I guess, but why bother?
*/
boot_args_common temporaryBootArgsData;
bzero(&temporaryBootArgsData, sizeof(boot_args_common));
boot_args temporaryBootArgsData;
bzero(&temporaryBootArgsData, sizeof(boot_args));
bootArgs = &temporaryBootArgsData;
bootArgs->Video.v_display = VGA_TEXT_MODE;
branches/cparm/i386/modules/GUI/gui.c
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#define MAX(x, y) ((x) > (y) ? (x) : (y))
#endif
#define VIDEO(x) (((boot_args_common*)getBootArgs())->Video.v_ ## x)
#define VIDEO(x) (((boot_args*)getBootArgs())->Video.v_ ## x)
#define vram VIDEO(baseAddr)
branches/cparm/i386/modules/GUI/graphic_utils.c
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#include "gui.h"
#include "platform.h"
#define VIDEO(x) (((boot_args_common*)getBootArgs())->Video.v_ ## x)
#define VIDEO(x) (((boot_args*)getBootArgs())->Video.v_ ## x)
#define MIN(x, y) ((x) < (y) ? (x) : (y))
static unsigned long lookUpCLUTIndex( unsigned char index,
branches/cparm/i386/modules/HibernateEnabler/graphic_utils.c
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((size_t) ( (char *)&((st *)(0))->m - (char *)0 ))
#endif
#define VIDEO(x) (((boot_args_common*)getBootArgs())->Video.v_ ## x)
#define VIDEO(x) (((boot_args*)getBootArgs())->Video.v_ ## x)
#define MIN(x, y) ((x) < (y) ? (x) : (y))
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}
}
while (++p != &buf[MAXBUF]) {
(*putc)(*p, arg);
if (putc) (*putc)(*p, arg);
nprinted++;
}

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Revision: 2006