Reviewed-by: Michael D Kinney <michael.d.kin...@intel.com> > -----Original Message----- > From: Chao Li <lic...@loongson.cn> > Sent: Wednesday, September 14, 2022 2:42 AM > To: devel@edk2.groups.io > Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Gao, Liming > <gaolim...@byosoft.com.cn>; Liu, Zhiguang <zhiguang....@intel.com>; > Baoqi Zhang <zhangba...@loongson.cn> > Subject: [PATCH v2 26/34] MdePkg/BasePeCoff: Add LoongArch PE/Coff related > code. > > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4053 > > Add LoongArch image relocation. > > Cc: Michael D Kinney <michael.d.kin...@intel.com> > Cc: Liming Gao <gaolim...@byosoft.com.cn> > Cc: Zhiguang Liu <zhiguang....@intel.com> > > Signed-off-by: Chao Li <lic...@loongson.cn> > Co-authored-by: Baoqi Zhang <zhangba...@loongson.cn> > --- > MdePkg/Library/BasePeCoffLib/BasePeCoff.c | 3 +- > .../Library/BasePeCoffLib/BasePeCoffLib.inf | 5 + > .../Library/BasePeCoffLib/BasePeCoffLib.uni | 2 + > .../BasePeCoffLib/LoongArch/PeCoffLoaderEx.c | 137 ++++++++++++++++++ > 4 files changed, 146 insertions(+), 1 deletion(-) > create mode 100644 MdePkg/Library/BasePeCoffLib/LoongArch/PeCoffLoaderEx.c > > diff --git a/MdePkg/Library/BasePeCoffLib/BasePeCoff.c > b/MdePkg/Library/BasePeCoffLib/BasePeCoff.c > index 6d8d9faeb8..97a8aaf8c7 100644 > --- a/MdePkg/Library/BasePeCoffLib/BasePeCoff.c > +++ b/MdePkg/Library/BasePeCoffLib/BasePeCoff.c > @@ -1,6 +1,6 @@ > /** @file > > Base PE/COFF loader supports loading any PE32/PE32+ or TE image, but > > - only supports relocating IA32, x64, IPF, ARM, RISC-V and EBC images. > > + only supports relocating IA32, x64, IPF, ARM, RISC-V, LoongArch and EBC > images. > > > > Caution: This file requires additional review when modified. > > This library will have external input - PE/COFF image. > > @@ -18,6 +18,7 @@ > Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR> > > Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> > > Portions Copyright (c) 2020, Hewlett Packard Enterprise Development LP. > All rights reserved.<BR> > > + Portions Copyright (c) 2022, Loongson Technology Corporation Limited. All > rights reserved.<BR> > > SPDX-License-Identifier: BSD-2-Clause-Patent > > > > **/ > > diff --git a/MdePkg/Library/BasePeCoffLib/BasePeCoffLib.inf > b/MdePkg/Library/BasePeCoffLib/BasePeCoffLib.inf > index 110b6d5a09..3b8b8eb191 100644 > --- a/MdePkg/Library/BasePeCoffLib/BasePeCoffLib.inf > +++ b/MdePkg/Library/BasePeCoffLib/BasePeCoffLib.inf > @@ -4,6 +4,7 @@ > # The IA32 version library support loading IA32, X64 and EBC PE/COFF images. > > # The X64 version library support loading IA32, X64 and EBC PE/COFF images. > > # The RISC-V version library support loading RISC-V images. > > +# The LoongArch version library support loading LoongArch images. > > # > > # Caution: This module requires additional review when modified. > > # This library will have external input - PE/COFF image. > > @@ -13,6 +14,7 @@ > # Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> > > # Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> > > # Portions Copyright (c) 2020, Hewlett Packard Enterprise Development LP. > All rights reserved.<BR> > > +# Portions Copyright (c) 2022, Loongson Technology Corporation Limited. All > rights reserved.<BR> > > # > > # SPDX-License-Identifier: BSD-2-Clause-Patent > > # > > @@ -46,6 +48,9 @@ > [Sources.RISCV64] > > RiscV/PeCoffLoaderEx.c > > > > +[Sources.LOONGARCH64] > > + LoongArch/PeCoffLoaderEx.c > > + > > [Packages] > > MdePkg/MdePkg.dec > > > > diff --git a/MdePkg/Library/BasePeCoffLib/BasePeCoffLib.uni > b/MdePkg/Library/BasePeCoffLib/BasePeCoffLib.uni > index 55417029f2..1f731344e1 100644 > --- a/MdePkg/Library/BasePeCoffLib/BasePeCoffLib.uni > +++ b/MdePkg/Library/BasePeCoffLib/BasePeCoffLib.uni > @@ -5,6 +5,7 @@ > // The IA32 version library support loading IA32, X64 and EBC PE/COFF images. > > // The X64 version library support loading IA32, X64 and EBC PE/COFF images. > > // The RISC-V version library support loading RISC-V32 and RISC-V64 PE/COFF > images. > > +// The LoongArch version library support loading LoongArch32 and LoongArch64 > PE/COFF images. > > // > > // Caution: This module requires additional review when modified. > > // This library will have external input - PE/COFF image. > > @@ -14,6 +15,7 @@ > // Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR> > > // Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> > > // Portions Copyright (c) 2020, Hewlett Packard Enterprise Development LP. > All rights reserved.<BR> > > +// Portions Copyright (c) 2022, Loongson Technology Corporation Limited. All > rights reserved.<BR> > > // > > // SPDX-License-Identifier: BSD-2-Clause-Patent > > // > > diff --git a/MdePkg/Library/BasePeCoffLib/LoongArch/PeCoffLoaderEx.c > b/MdePkg/Library/BasePeCoffLib/LoongArch/PeCoffLoaderEx.c > new file mode 100644 > index 0000000000..417096f334 > --- /dev/null > +++ b/MdePkg/Library/BasePeCoffLib/LoongArch/PeCoffLoaderEx.c > @@ -0,0 +1,137 @@ > +/** @file > > + PE/Coff loader for LoongArch PE image > > + > > + Copyright (c) 2022, Loongson Technology Corporation Limited. All rights > reserved.<BR> > > + > > + SPDX-License-Identifier: BSD-2-Clause-Patent > > +**/ > > + > > +#include "BasePeCoffLibInternals.h" > > +#include <Library/BaseLib.h> > > + > > +/** > > + Performs an LoongArch specific relocation fixup and is a no-op on other > > + instruction sets. > > + > > + @param[in] Reloc Pointer to the relocation record. > > + @param[in, out] Fixup Pointer to the address to fix up. > > + @param[in, out] FixupData Pointer to a buffer to log the fixups. > > + @param[in] Adjust The offset to adjust the fixup. > > + > > + @return Status code. > > + > > +**/ > > +RETURN_STATUS > > +PeCoffLoaderRelocateImageEx ( > > + IN UINT16 *Reloc, > > + IN OUT CHAR8 *Fixup, > > + IN OUT CHAR8 **FixupData, > > + IN UINT64 Adjust > > + ) > > +{ > > + UINT8 RelocType; > > + UINT64 Value; > > + UINT64 Tmp1; > > + UINT64 Tmp2; > > + > > + RelocType = (*Reloc) >> 12; > > + Value = 0; > > + Tmp1 = 0; > > + Tmp2 = 0; > > + > > + switch (RelocType) { > > + case EFI_IMAGE_REL_BASED_LOONGARCH64_MARK_LA: > > + // The next four instructions are used to load a 64 bit address, > relocate all of them > > + Value = (*(UINT32 *)Fixup & 0x1ffffe0) << 7 | // lu12i.w 20bits > from bit5 > > + (*((UINT32 *)Fixup + 1) & 0x3ffc00) >> 10; // ori 12bits > from bit10 > > + Tmp1 = *((UINT32 *)Fixup + 2) & 0x1ffffe0; // lu32i.d 20bits > from bit5 > > + Tmp2 = *((UINT32 *)Fixup + 3) & 0x3ffc00; // lu52i.d 12bits > from bit10 > > + Value = Value | (Tmp1 << 27) | (Tmp2 << 42); > > + Value += Adjust; > > + > > + *(UINT32 *)Fixup = (*(UINT32 *)Fixup & ~0x1ffffe0) | (((Value >> 12) & > 0xfffff) << 5); > > + if (*FixupData != NULL) { > > + *FixupData = ALIGN_POINTER (*FixupData, sizeof > (UINT32)); > > + *(UINT32 *)(*FixupData) = *(UINT32 *)Fixup; > > + *FixupData = *FixupData + sizeof (UINT32); > > + } > > + > > + Fixup += sizeof (UINT32); > > + *(UINT32 *)Fixup = (*(UINT32 *)Fixup & ~0x3ffc00) | ((Value & 0xfff) > << 10); > > + if (*FixupData != NULL) { > > + *FixupData = ALIGN_POINTER (*FixupData, sizeof > (UINT32)); > > + *(UINT32 *)(*FixupData) = *(UINT32 *)Fixup; > > + *FixupData = *FixupData + sizeof (UINT32); > > + } > > + > > + Fixup += sizeof (UINT32); > > + *(UINT32 *)Fixup = (*(UINT32 *)Fixup & ~0x1ffffe0) | (((Value >> 32) & > 0xfffff) << 5); > > + if (*FixupData != NULL) { > > + *FixupData = ALIGN_POINTER (*FixupData, sizeof > (UINT32)); > > + *(UINT32 *)(*FixupData) = *(UINT32 *)Fixup; > > + *FixupData = *FixupData + sizeof (UINT32); > > + } > > + > > + Fixup += sizeof (UINT32); > > + *(UINT32 *)Fixup = (*(UINT32 *)Fixup & ~0x3ffc00) | (((Value >> 52) & > 0xfff) << 10); > > + if (*FixupData != NULL) { > > + *FixupData = ALIGN_POINTER (*FixupData, sizeof > (UINT32)); > > + *(UINT32 *)(*FixupData) = *(UINT32 *)Fixup; > > + *FixupData = *FixupData + sizeof (UINT32); > > + } > > + > > + break; > > + default: > > + return RETURN_UNSUPPORTED; > > + } > > + > > + return RETURN_SUCCESS; > > +} > > + > > +/** > > + Returns TRUE if the machine type of PE/COFF image is supported. Supported > > + does not mean the image can be executed it means the PE/COFF loader > supports > > + loading and relocating of the image type. It's up to the caller to support > > + the entry point. > > + > > + @param[in] Machine Machine type from the PE Header. > > + > > + @return TRUE if this PE/COFF loader can load the image > > + > > +**/ > > +BOOLEAN > > +PeCoffLoaderImageFormatSupported ( > > + IN UINT16 Machine > > + ) > > +{ > > + if (Machine == IMAGE_FILE_MACHINE_LOONGARCH64) { > > + return TRUE; > > + } > > + > > + return FALSE; > > +} > > + > > +/** > > + Performs an LOONGARCH-based specific re-relocation fixup and is a no-op on > other > > + instruction sets. This is used to re-relocated the image into the EFI > virtual > > + space for runtime calls. > > + > > + @param[in] Reloc The pointer to the relocation record. > > + @param[in, out] Fixup The pointer to the address to fix up. > > + @param[in, out] FixupData The pointer to a buffer to log the fixups. > > + @param[in] Adjust The offset to adjust the fixup. > > + > > + @return Status code. > > + > > +**/ > > +RETURN_STATUS > > +PeHotRelocateImageEx ( > > + IN UINT16 *Reloc, > > + IN OUT CHAR8 *Fixup, > > + IN OUT CHAR8 **FixupData, > > + IN UINT64 Adjust > > + ) > > +{ > > + // To check > > + return PeCoffLoaderRelocateImageEx (Reloc, Fixup, FixupData, Adjust); > > +} > > -- > 2.27.0
-=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#94234): https://edk2.groups.io/g/devel/message/94234 Mute This Topic: https://groups.io/mt/93674239/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
