reviewed should mean tested ;) took me some time to find out why my system currently doesn't boot anymore but here's the fix for this commit:
diff --git a/ArmPlatformPkg/PrePi/Arm/ModuleEntryPoint.S b/ArmPlatformPkg/PrePi/Arm/ModuleEntryPoint.S index b7127ce..39030da 100644 --- a/ArmPlatformPkg/PrePi/Arm/ModuleEntryPoint.S +++ b/ArmPlatformPkg/PrePi/Arm/ModuleEntryPoint.S @@ -101,7 +101,7 @@ _GetStackBase: sub r10, r1, r2 // Stack for the secondary core = Number of Cores - 1 - MOV32 (r0, (FixedPcdGet32(PcdCoreCount) - 1) * FixedPcdGet32(PcdCPUCoreSecondaryStackSize)) + MOV32 (r1, (FixedPcdGet32(PcdCoreCount) - 1) * FixedPcdGet32(PcdCPUCoreSecondaryStackSize))^M sub r10, r10, r1 // r10 = The base of the MpCore Stacks (primary stack & secondary stacks) On Thu, Aug 11, 2016 at 10:38 AM, Leif Lindholm <[email protected]> wrote: > On Wed, Aug 10, 2016 at 05:17:58PM +0200, Ard Biesheuvel wrote: > > Annotate functions with ASM_FUNC() so that they are emitted into > > separate sections. > > Also replacing LoadConstantToReg. Add that to commit message and: > Reviewed-by: Leif Lindholm <[email protected]> > > > Contributed-under: TianoCore Contribution Agreement 1.0 > > Signed-off-by: Ard Biesheuvel <[email protected]> > > --- > > ArmPlatformPkg/PrePi/AArch64/ModuleEntryPoint.S | 49 > ++++++------------- > > ArmPlatformPkg/PrePi/Arm/ModuleEntryPoint.S | 50 > ++++++-------------- > > 2 files changed, 29 insertions(+), 70 deletions(-) > > > > diff --git a/ArmPlatformPkg/PrePi/AArch64/ModuleEntryPoint.S > b/ArmPlatformPkg/PrePi/AArch64/ModuleEntryPoint.S > > index 9538c70a237c..d0530a874726 100644 > > --- a/ArmPlatformPkg/PrePi/AArch64/ModuleEntryPoint.S > > +++ b/ArmPlatformPkg/PrePi/AArch64/ModuleEntryPoint.S > > @@ -12,24 +12,10 @@ > > // > > > > #include <AsmMacroIoLibV8.h> > > -#include <Base.h> > > -#include <Library/PcdLib.h> > > -#include <AutoGen.h> > > - > > -.text > > -.align 3 > > - > > -GCC_ASM_IMPORT(ArmPlatformIsPrimaryCore) > > -GCC_ASM_IMPORT(ArmReadMpidr) > > -GCC_ASM_IMPORT(ArmPlatformPeiBootAction) > > -GCC_ASM_IMPORT(ArmPlatformStackSet) > > -GCC_ASM_EXPORT(_ModuleEntryPoint) > > -ASM_GLOBAL ASM_PFX(mSystemMemoryEnd) > > > > -StartupAddr: .8byte ASM_PFX(CEntryPoint) > > -ASM_PFX(mSystemMemoryEnd): .8byte 0 > > +ASM_GLOBAL ASM_PFX(mSystemMemoryEnd) > > > > -ASM_PFX(_ModuleEntryPoint): > > +ASM_FUNC(_ModuleEntryPoint) > > // Do early platform specific actions > > bl ASM_PFX(ArmPlatformPeiBootAction) > > > > @@ -49,10 +35,8 @@ _SystemMemoryEndInit: > > cmp x1, #0 > > bne _SetupStackPosition > > > > - LoadConstantToReg (FixedPcdGet64(PcdSystemMemoryBase), x1) > > - LoadConstantToReg (FixedPcdGet64(PcdSystemMemorySize), x2) > > - sub x2, x2, #1 > > - add x1, x1, x2 > > + MOV64 (x1, FixedPcdGet64(PcdSystemMemoryBase) + > > FixedPcdGet64(PcdSystemMemorySize) > - 1) > > + > > // Update the global variable > > adr x2, mSystemMemoryEnd > > str x1, [x2] > > @@ -61,13 +45,13 @@ _SetupStackPosition: > > // r1 = SystemMemoryTop > > > > // Calculate Top of the Firmware Device > > - LoadConstantToReg (FixedPcdGet64(PcdFdBaseAddress), x2) > > - LoadConstantToReg (FixedPcdGet32(PcdFdSize), x3) > > + MOV64 (x2, FixedPcdGet64(PcdFdBaseAddress)) > > + MOV32 (x3, FixedPcdGet32(PcdFdSize) - 1) > > sub x3, x3, #1 > > add x3, x3, x2 // x3 = FdTop = PcdFdBaseAddress + PcdFdSize > > > > // UEFI Memory Size (stacks are allocated in this region) > > - LoadConstantToReg (FixedPcdGet32(PcdSystemMemoryUefiRegionSize), x4) > > + MOV32 (x4, FixedPcdGet32(PcdSystemMemoryUefiRegionSize)) > > > > // > > // Reserve the memory for the UEFI region (contain stacks on its top) > > @@ -98,9 +82,7 @@ _SetupAlignedStack: > > _SetupOverflowStack: > > // Case memory at the top of the address space. Ensure the top of the > stack is EFI_PAGE_SIZE > > // aligned (4KB) > > - LoadConstantToReg (EFI_PAGE_MASK, x11) > > - and x11, x11, x1 > > - sub x1, x1, x11 > > + and x1, x1, ~EFI_PAGE_MASK > > > > _GetBaseUefiMemory: > > // Calculate the Base of the UEFI Memory > > @@ -109,22 +91,19 @@ _GetBaseUefiMemory: > > _GetStackBase: > > // r1 = The top of the Mpcore Stacks > > // Stack for the primary core = PrimaryCoreStack > > - LoadConstantToReg (FixedPcdGet32(PcdCPUCorePrimaryStackSize), x2) > > + MOV32 (x2, FixedPcdGet32(PcdCPUCorePrimaryStackSize)) > > sub x12, x1, x2 > > > > // Stack for the secondary core = Number of Cores - 1 > > - LoadConstantToReg (FixedPcdGet32(PcdCoreCount), x0) > > - sub x0, x0, #1 > > - LoadConstantToReg (FixedPcdGet32(PcdCPUCoreSecondaryStackSize), x1) > > - mul x1, x1, x0 > > + MOV32 (x1, (FixedPcdGet32(PcdCoreCount) - 1) * FixedPcdGet32( > PcdCPUCoreSecondaryStackSize)) > > sub x12, x12, x1 > > > > // x12 = The base of the MpCore Stacks (primary stack & secondary > stacks) > > mov x0, x12 > > mov x1, x10 > > //ArmPlatformStackSet(StackBase, MpId, PrimaryStackSize, > SecondaryStackSize) > > - LoadConstantToReg (FixedPcdGet32(PcdCPUCorePrimaryStackSize), x2) > > - LoadConstantToReg (FixedPcdGet32(PcdCPUCoreSecondaryStackSize), x3) > > + MOV32 (x2, FixedPcdGet32(PcdCPUCorePrimaryStackSize)) > > + MOV32 (x3, FixedPcdGet32(PcdCPUCoreSecondaryStackSize)) > > bl ASM_PFX(ArmPlatformStackSet) > > > > // Is it the Primary Core ? > > @@ -140,7 +119,7 @@ _PrepareArguments: > > > > // Move sec startup address into a data register > > // Ensure we're jumping to FV version of the code (not boot remapped > alias) > > - ldr x4, StartupAddr > > + ldr x4, =ASM_PFX(CEntryPoint) > > > > // Jump to PrePiCore C code > > // x0 = MpId > > @@ -150,3 +129,5 @@ _PrepareArguments: > > > > _NeverReturn: > > b _NeverReturn > > + > > +ASM_PFX(mSystemMemoryEnd): .8byte 0 > > diff --git a/ArmPlatformPkg/PrePi/Arm/ModuleEntryPoint.S > b/ArmPlatformPkg/PrePi/Arm/ModuleEntryPoint.S > > index 1311efc5cb2c..b7127ce9fb4c 100644 > > --- a/ArmPlatformPkg/PrePi/Arm/ModuleEntryPoint.S > > +++ b/ArmPlatformPkg/PrePi/Arm/ModuleEntryPoint.S > > @@ -12,28 +12,12 @@ > > // > > > > #include <AsmMacroIoLib.h> > > -#include <Base.h> > > -#include <Library/PcdLib.h> > > -#include <AutoGen.h> > > > > #include <Chipset/ArmV7.h> > > > > -.text > > -.align 3 > > - > > -GCC_ASM_IMPORT(CEntryPoint) > > -GCC_ASM_IMPORT(ArmPlatformIsPrimaryCore) > > -GCC_ASM_IMPORT(ArmReadMpidr) > > -GCC_ASM_IMPORT(ArmPlatformPeiBootAction) > > -GCC_ASM_IMPORT(ArmPlatformStackSet) > > -GCC_ASM_EXPORT(_ModuleEntryPoint) > > GCC_ASM_EXPORT(mSystemMemoryEnd) > > > > -StartupAddr: .word CEntryPoint > > -mSystemMemoryEnd: .8byte 0 > > - > > - > > -ASM_PFX(_ModuleEntryPoint): > > +ASM_FUNC(_ModuleEntryPoint) > > // Do early platform specific actions > > bl ASM_PFX(ArmPlatformPeiBootAction) > > > > @@ -57,10 +41,8 @@ _SystemMemoryEndInit: > > cmp r1, #0 > > bne _SetupStackPosition > > > > - LoadConstantToReg (FixedPcdGet32(PcdSystemMemoryBase), r1) > > - LoadConstantToReg (FixedPcdGet32(PcdSystemMemorySize), r2) > > - sub r2, r2, #1 > > - add r1, r1, r2 > > + MOV32 (r1, FixedPcdGet32(PcdSystemMemoryBase) + > > FixedPcdGet32(PcdSystemMemorySize) > - 1) > > + > > // Update the global variable > > adr r2, mSystemMemoryEnd > > str r1, [r2] > > @@ -69,13 +51,12 @@ _SetupStackPosition: > > // r1 = SystemMemoryTop > > > > // Calculate Top of the Firmware Device > > - LoadConstantToReg (FixedPcdGet32(PcdFdBaseAddress), r2) > > - LoadConstantToReg (FixedPcdGet32(PcdFdSize), r3) > > - sub r3, r3, #1 > > + MOV32 (r2, FixedPcdGet32(PcdFdBaseAddress)) > > + MOV32 (r3, FixedPcdGet32(PcdFdSize) - 1) > > add r3, r3, r2 // r3 = FdTop = PcdFdBaseAddress + PcdFdSize > > > > // UEFI Memory Size (stacks are allocated in this region) > > - LoadConstantToReg (FixedPcdGet32(PcdSystemMemoryUefiRegionSize), r4) > > + MOV32 (r4, FixedPcdGet32(PcdSystemMemoryUefiRegionSize)) > > > > // > > // Reserve the memory for the UEFI region (contain stacks on its top) > > @@ -106,9 +87,8 @@ _SetupAlignedStack: > > _SetupOverflowStack: > > // Case memory at the top of the address space. Ensure the top of the > stack is EFI_PAGE_SIZE > > // aligned (4KB) > > - LoadConstantToReg (EFI_PAGE_MASK, r9) > > - and r9, r9, r1 > > - sub r1, r1, r9 > > + MOV32 (r9, ~EFI_PAGE_MASK & 0xFFFFFFFF) > > + and r1, r1, r9 > > > > _GetBaseUefiMemory: > > // Calculate the Base of the UEFI Memory > > @@ -117,22 +97,19 @@ _GetBaseUefiMemory: > > _GetStackBase: > > // r1 = The top of the Mpcore Stacks > > // Stack for the primary core = PrimaryCoreStack > > - LoadConstantToReg (FixedPcdGet32(PcdCPUCorePrimaryStackSize), r2) > > + MOV32 (r2, FixedPcdGet32(PcdCPUCorePrimaryStackSize)) > > sub r10, r1, r2 > > > > // Stack for the secondary core = Number of Cores - 1 > > - LoadConstantToReg (FixedPcdGet32(PcdCoreCount), r0) > > - sub r0, r0, #1 > > - LoadConstantToReg (FixedPcdGet32(PcdCPUCoreSecondaryStackSize), r1) > > - mul r1, r1, r0 > > + MOV32 (r0, (FixedPcdGet32(PcdCoreCount) - 1) * FixedPcdGet32( > PcdCPUCoreSecondaryStackSize)) > > sub r10, r10, r1 > > > > // r10 = The base of the MpCore Stacks (primary stack & secondary > stacks) > > mov r0, r10 > > mov r1, r8 > > //ArmPlatformStackSet(StackBase, MpId, PrimaryStackSize, > SecondaryStackSize) > > - LoadConstantToReg (FixedPcdGet32(PcdCPUCorePrimaryStackSize), r2) > > - LoadConstantToReg (FixedPcdGet32(PcdCPUCoreSecondaryStackSize), r3) > > + MOV32 (r2, FixedPcdGet32(PcdCPUCorePrimaryStackSize)) > > + MOV32 (r3, FixedPcdGet32(PcdCPUCoreSecondaryStackSize)) > > bl ASM_PFX(ArmPlatformStackSet) > > > > // Is it the Primary Core ? > > @@ -149,7 +126,7 @@ _PrepareArguments: > > > > // Move sec startup address into a data register > > // Ensure we're jumping to FV version of the code (not boot remapped > alias) > > - ldr r4, StartupAddr > > + ldr r4, =ASM_PFX(CEntryPoint) > > > > // Jump to PrePiCore C code > > // r0 = MpId > > @@ -160,3 +137,4 @@ _PrepareArguments: > > _NeverReturn: > > b _NeverReturn > > > > +ASM_PFX(mSystemMemoryEnd): .8byte 0 > > -- > > 2.7.4 > > > _______________________________________________ > edk2-devel mailing list > [email protected] > https://lists.01.org/mailman/listinfo/edk2-devel > _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel

