diff options
| author | Amlal El Mahrouss <amlal.elmahrouss@icloud.com> | 2024-06-23 00:19:42 +0200 |
|---|---|---|
| committer | Amlal El Mahrouss <amlal.elmahrouss@icloud.com> | 2024-06-23 00:19:42 +0200 |
| commit | 9899e5d07f9010a874ed64c586508479f0a353c4 (patch) | |
| tree | 86dbb647bd943a1511d42a384f3edfc9a3aa7c36 /Kernel | |
| parent | 16bb06ed34f1af55129c07e767b536f765cf4ed2 (diff) | |
specs: update EPM, introduce the concept of isolated blocks.
Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
Diffstat (limited to 'Kernel')
| -rw-r--r-- | Kernel/FirmwareKit/EPM.hxx | 42 |
1 files changed, 19 insertions, 23 deletions
diff --git a/Kernel/FirmwareKit/EPM.hxx b/Kernel/FirmwareKit/EPM.hxx index 93f4730e..47e3fbfb 100644 --- a/Kernel/FirmwareKit/EPM.hxx +++ b/Kernel/FirmwareKit/EPM.hxx @@ -8,18 +8,18 @@ @brief The Explicit Partition Map scheme. */ -#ifndef __PARTITION_MAP__ -#define __PARTITION_MAP__ +#ifndef __FIRMWARE_EPM_HXX__ +#define __FIRMWARE_EPM_HXX__ #include <NewKit/Defines.hpp> -#define kEPMNameLength 32 -#define kEPMFilesystemLength 16 -#define kEPMMagicLength 5 +#define kEPMNameLength (32) +#define kEPMFilesystemLength (16) +#define kEPMMagicLength (5) /* The first 0 > 128 addresses of a disk contains these headers. */ -/// @brief EPM GUID block. +/// @brief EPM GUID structure. typedef struct BlockGUID { NewOS::UInt32 Data1; @@ -29,8 +29,8 @@ typedef struct BlockGUID } BlockGUID; /** - * @brief The EPM bootloader block. - * @note NumBlock and LbaStart are ignored on UEFI. + * @brief The EPM boot block. + * @note NumBlock and LbaStart are ignored on some platforms. */ struct PACKED BootBlock { @@ -45,7 +45,7 @@ struct PACKED BootBlock /** * @brief The EPM partition block. - * used to describe a partition inside a media, doesn't exist on uefi. + * used to describe a partition inside a media, doesn't exist on some platforms. */ struct PACKED PartitionBlock { @@ -96,20 +96,20 @@ struct PACKED PartitionBlock enum kEPMKind { - kEPMMpUx = 0xcf, + kEPMMpUx = 0xcf, // Bridge or other embedded OS kEPMLinux = 0x8f, kEPMBSD = 0x9f, - kEPMNewOS = 0x1f, + kEPMNewOS = 0x1f, // This kernel. }; typedef struct BootBlock BootBlockType; typedef struct PartitionBlock PartitionBlockType; -#ifdef __x86_64__ +#ifdef __NEWOS_AMD64__ #define kEPMMagic kEPMMagic86 #else -#ifdef __powerpc64__ -#define kEPMMagic kEPMMagicPPC +#ifdef __NEWOS_ARM64__ +#define kEPMMagic kEPMMagicARM #else #define kEPMMagic kEPMMagicError #endif @@ -119,15 +119,11 @@ typedef struct PartitionBlock PartitionBlockType; ///! Anything below is reserved for Data backup by the Main OS. #define kEPMStartPartitionBlk (sizeof(BootBlock)) -///! @brief Current EPM revision (2) -#define kEPMRevision (3) - -///! @brief Current EPM revision (2) -#define kEPMRevisionUEFI (0xF) - -/* @brief Maximum block count. */ -#define kEPMMaxBlks (128) +///! @brief Current EPM revision +#define kEPMRevision (0xAD) +///! @brief Current EPM revision +#define kEPMRevisionUEFI (0xAF) /// END OF SPECS -#endif // ifndef __PARTITION_MAP__ +#endif // ifndef __FIRMWARE_EPM_HXX__ |