From a13e1c0911c0627184bc38f18c7fdda64447b3ad Mon Sep 17 00:00:00 2001 From: Amlal El Mahrouss Date: Sun, 23 Mar 2025 19:13:48 +0100 Subject: meta(kernel): Reworked repository's filesystem structure. Removing useless parts of the project too. Signed-off-by: Amlal El Mahrouss --- .../HALKit/ARM64/Storage/MBCI+Flash+IO+Generic.cc | 119 +++++++++++++++++++++ dev/kernel/HALKit/ARM64/Storage/UFS+Generic.cc | 11 ++ 2 files changed, 130 insertions(+) create mode 100644 dev/kernel/HALKit/ARM64/Storage/MBCI+Flash+IO+Generic.cc create mode 100644 dev/kernel/HALKit/ARM64/Storage/UFS+Generic.cc (limited to 'dev/kernel/HALKit/ARM64/Storage') diff --git a/dev/kernel/HALKit/ARM64/Storage/MBCI+Flash+IO+Generic.cc b/dev/kernel/HALKit/ARM64/Storage/MBCI+Flash+IO+Generic.cc new file mode 100644 index 00000000..94d20878 --- /dev/null +++ b/dev/kernel/HALKit/ARM64/Storage/MBCI+Flash+IO+Generic.cc @@ -0,0 +1,119 @@ +/* ------------------------------------------- + + Copyright (C) 2024-2025, Amlal EL Mahrouss, all rights reserved. + +------------------------------------------- */ + +#ifdef NE_USE_MBCI_FLASH + +#include +#include +#include +#include + +/// @file MBCI+Flash.cc +/// @brief MBCI Flash support. + +#define MBCI_MAX_SLOTS (8U) + +namespace NeOS +{ + /// /Mount/Flash/n + constexpr auto kFlashBridgeMagic = 0x70768372; + constexpr auto kFlashBridgeRevision = 1; + + STATIC BOOL kFlashEnabled = NO; + STATIC SizeT kFlashSize[MBCI_MAX_SLOTS] = {}; + STATIC SizeT kFlashSectorSz[MBCI_MAX_SLOTS] = {}; + STATIC IMBCIHost* kFlashMetaPackets[MBCI_MAX_SLOTS] = {}; + STATIC IMBCIHost* kFlashDataPackets[MBCI_MAX_SLOTS] = {}; + + STATIC Void drv_std_io(Int32 slot, UInt64 lba, Char* buf, SizeT sector_sz, SizeT buf_sz); + + /// @brief Enable flash memory builtin. + STATIC Void drv_enable_flash(Int32 slot); + + /// @brief Disable flash memory builtin. + STATIC Void drv_disable_flash(Int32 slot); + + /// @brief get slot sector count. + /// @return slot sector count. + SizeT drv_get_sector_count(Int32 slot) + { + if (slot > MBCI_MAX_SLOTS) + return 0; + + return kFlashSectorSz[slot]; + } + + /// @brief get slot full size (in bytes). + /// @return drive slot size + SizeT drv_get_size(Int32 slot) + { + if (slot > MBCI_MAX_SLOTS) + return 0; + + return kFlashSize[slot]; + } + + /// @brief Enable flash memory at slot. + BOOL drv_enable_at(Int32 slot) + { + if (slot > MBCI_MAX_SLOTS) + return NO; + + kFlashMetaPackets[slot]->InterruptEnable = YES; + + kout << "Enabled hardware slot at: " << number(slot) << kendl; + + return YES; + } + + /// @brief Disable flash memory at slot. + BOOL drv_disable_at(Int32 slot) + { + if (slot > MBCI_MAX_SLOTS) + return NO; + + kFlashMetaPackets[slot]->InterruptEnable = NO; + + kout << "Disabled hardware slot at: " << number(slot) << kendl; + + return YES; + } + + STATIC Void drv_std_io(Int32 slot, UInt64 lba, Char* buf, SizeT sector_sz, SizeT buf_sz) + { + UInt64* packet_frame = (UInt64*)kFlashDataPackets[slot]->BaseAddressRegister; + + if (packet_frame[0] != (UInt64)kFlashBridgeMagic) + return; + + if (packet_frame[8] != (UInt64)kFlashBridgeRevision) + return; + + packet_frame[16 + 0] = lba; + packet_frame[16 + 4] = sector_sz; + packet_frame[16 + 8] = lba; + packet_frame[16 + 12] = buf_sz; + packet_frame[16 + 14] = (UIntPtr)HAL::hal_get_phys_address(buf); + + while (packet_frame[0] == lba) + ; + } + + Void drv_std_read(Int32 slot, UInt64 lba, Char* buf, SizeT sector_sz, SizeT buf_sz) + { + rt_set_memory(buf, 0, buf_sz); + + drv_std_io(slot, lba, buf, sector_sz, buf_sz); + } + + Void drv_std_write(Int32 slot, UInt64 lba, Char* buf, SizeT sector_sz, SizeT buf_sz) + { + drv_std_io(slot, lba, buf, sector_sz, buf_sz); + } + +} // namespace NeOS + +#endif // if NE_USE_MBCI_FLASH diff --git a/dev/kernel/HALKit/ARM64/Storage/UFS+Generic.cc b/dev/kernel/HALKit/ARM64/Storage/UFS+Generic.cc new file mode 100644 index 00000000..20d06671 --- /dev/null +++ b/dev/kernel/HALKit/ARM64/Storage/UFS+Generic.cc @@ -0,0 +1,11 @@ +/* ------------------------------------------- + + Copyright (C) 2024-2025, Amlal EL Mahrouss, all rights reserved. + +------------------------------------------- */ + +/// @file UFS.cc +/// @brief UFS Flash Memory support. + +#define UFS_PCI_VENDOR_ID (0x01001) /* AKER */ +#define UFS_PCI_DEVICE_ID (0xAEAEA) /* AKER */ \ No newline at end of file -- cgit v1.2.3