-//// @file
-//
-// Copyright (c) 1999 - 2008, Intel Corporation. All rights reserved.<BR>
-//
-// This program and the accompanying materials
-// are licensed and made available under the terms and conditions
-// of the BSD License which accompanies this distribution. The
-// full text of the license may be found at
-// http://opensource.org/licenses/bsd-license.php
-//
-// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-//
-////
-
-.file "IpfThunk.s"
-
-#include "IpfMacro.i"
-#include "Ipf/IpfThunk.i"
-
-.align 0x10
-//-----------------------------------------------------------------------------
-//++
-// EfiIaEntryPoint
-//
-// Register physical address of Esal Data Area
-//
-// On Entry :
-// in1 = ptr to legacy bios reg
-// in2 = ptr to Call Stack
-// in3 = Call Stack Size
-//
-// Return Value:
-// r8 = SAL_SUCCESS
-//
-// As per static calling conventions.
-//
-//--
-//---------------------------------------------------------------------------
-PROCEDURE_ENTRY(EfiIaEntryPoint)
-
- alloc loc0 = 8,10,8,0;;
-
- mov out0 = r0;;
- mov out1 = r0;;
- mov out2 = r0;;
- mov out3 = r0;;
- mov out4 = r0;;
- mov out5 = r0;;
- mov out6 = r0;;
- mov out7 = r0;;
-
- mov loc1 = b0;; // save efi (b0)
- mov loc2 = psr;; // save efi (PSR)
- mov loc3 = gp;; // save efi (GP)
- mov loc4 = pr;; // save efi (PR)
- mov loc5 = sp;; // save efi (SP)
- mov loc6 = r13;; // save efi (TP)
- mov loc7 = ar.lc;; // save efi (LC)
- mov loc8 = ar.fpsr;; // save efi (FPSR)
-
- mov r8 = r0;; // return status
- mov r9 = r0;; // return value
- mov r10 = r0;; // return value
- mov r11 = r0;; // return value
-
-bios_int_func::
- rsm 0x4000;; // i(14)=0, disable interrupt
- srlz.d;;
- srlz.i;;
-
-//---------------------//
-// save fp registers //
-//---------------------//
-
- dep sp = 0,sp,0,4;; // align 16
- add sp = -16,sp;; // post decrement
-
-int_ip_1x::
- mov r2 = ip;;
- add r2 = (int_ip_1y - int_ip_1x),r2;;
- mov b7 = r2;;
- br save_fp_registers;;
-
-int_ip_1y::
- add sp = 16,sp;; // adjust (SP)
- mov loc9 = sp;; // save (SP)
- adds sp = 0x10,in1;; // in1 + 0x10 = SP
- ld4 sp = [sp];; // SP
- adds r17 = 0x32,in1;; // in1 + 0x32 = SS
- ld2 r17 = [r17];; // SS
- movl r2 = 0xffffffff;; // if no SS:SP, then define new SS:SP
- cmp.ne p6,p0 = sp,r2;;
- movl r2 = 0xffff;;
- cmp.ne.or p6,p0 = r17,r2;;
- (p6) br.sptk bif_1;;
-
- mov sp = in3;; // 16-bit stack pointer
- mov r2 = psr;;
- tbit.z p6,p7 = r2,17;; // psr.dt (Physical OR Virtual)
-
-bif_ip1x::
- mov r2 = in2;; // ia32 callback stack top
- mov r3 = in3;; // 16-bit stack pointer
- sub r2 = r2,r3;;
- shr.u r17 = r2,4;; // 16-bit stack segment
-
-bif_1::
- extr.u sp = sp,0,16;; // SP (16-bit sp for legacy code)
- dep sp = 0,sp,0,3;; // align 8
- cmp.eq p6,p0 = 0,sp;; // if SP=0000 then wrap to 0x10000
- (p6) dep sp = -1,sp,16,1;;
- shladd r2 = r17,4,sp;; // ESP = SS<<4+SP
- add r2 = -8,r2;; // post decrement 64 bit pointer
- add sp = -8,sp;; // post decrement SP
-
-sale_ip1x::
- mov r18 = ip;;
- adds r18 = (sale_ip1y - sale_ip1x),r18;;
- sub r18 = r18,r2;; // return address - CS base
- add r18 = r18,sp;; // adjustment for stack
- shl r18 = r18,32;;
- movl r19 = 0xb80f66fa;; // CLI, JMPE xxxxxxxx
- or r18 = r18,r19;;
- st8 [r2] = r18;; // (FA,66,0F,B8,xx,xx,xx,xx)
-
- cmp.eq p6,p0 = 0,sp;; // if SP=0000 then wrap to 0x10000
- (p6) dep sp = -1,sp,16,1;;
- shladd r2 = r17,4,sp;; // ESP=SS<<4+SP
- add r2 = -2,r2;; // post decrement 64 bit pointer
- add sp = -2,sp;; // post decrement SP
-
- movl r18 = 0x8000000000000100;; // CALL FAR function
- cmp.eq p6,p7 = in0,r18;;
- (p6) add r19 = 0x28,in1;; // in1 + 0x28 = CS
- (p6) ld2 r18 = [r19],-4;; // CS
- (p6) st2 [r2] = r18,-2;; // in1 + 0x24 = EIP
- (p6) ld2 r18 = [r19];; // EIP
- (p6) st2 [r2] = r18,-2;; //
- (p6) movl r18 = 0x9a90;; // nop, CALLFAR xxxx:yyyy
-
- (p7) movl r18 = 0xcd;; // INT xx
- (p7) dep r18 = in0,r18,8,8;;
- st2 [r2] = r18;; // (CD,xx)
-
- mov r18 = r2;; // EIP for legacy execution
-
-//------------------------------//
-// flush 32 bytes legacy code //
-//------------------------------//
-
- dep r2 = 0,r2,0,5;; // align to 32
- fc r2;;
- sync.i;;
- srlz.i;;
- srlz.d;;
-
-//------------------------------//
-// load legacy registers //
-//------------------------------//
- mov r2 = in1;; // IA32 BIOS register state
- ld4 r8 = [r2],4;; // in1 + 0 = EAX
- ld4 r9 = [r2],4;; // in1 + 4 = ECX
- ld4 r10 = [r2],4;; // in1 + 8 = EDX
- ld4 r11 = [r2],4;; // in1 + 12 = EBX
-
- add r2 = 4,r2;; // in1 + 16 = ESP (skip)
-
- ld4 r13 = [r2],4;; // in1 + 20 = EBP
- ld4 r14 = [r2],4;; // in1 + 24 = ESI
- ld4 r15 = [r2],4;; // in1 + 28 = EDI
- ld4 r3 = [r2],4;; // in1 + 32 = EFLAGS
- mov ar.eflag = r3;;
-
- add r2 = 4,r2;; // in1 + 36 = EIP (skip)
- add r2 = 2,r2;; // in1 + 40 = CS (skip)
-
- ld2 r16 = [r2],2;; // in1 + 42 = DS, (r16 = GS,FS,ES,DS)
- movl r27 = 0xc93fffff00000000;;
- dep r27 = r16,r27,4,16;; // r27 = DSD
-
- ld2 r19 = [r2],2;; // in1 + 44 = ES
- dep r16 = r19,r16,16,16;;
- movl r24 = 0xc93fffff00000000;;
- dep r24 = r19,r24,4,16;; // r24 = ESD
-
- ld2 r19 = [r2],2;; // in1 + 46 = FS
- dep r16 = r19,r16,32,16;;
- movl r28 = 0xc93fffff00000000;;
- dep r28 = r19,r28,4,16;; // r28 = FSD
-
- ld2 r19 = [r2],2;; // in1 + 48 = GS
- dep r16 = r19,r16,48,16;;
- movl r29 = 0xc93fffff00000000;;
- dep r29 = r19,r29,4,16;; // r29 = GSD
-
- mov r30 = r0;; // r30 = LDTD, clear NaT
- mov r31 = r0;; // r31 = GDTD, clear NaT
-
- dep r17 = r17,r17,16,16;; // CS = SS, (r17 = TSS,LDT,SS,CS)
-
- movl r3 = 0x0930ffff00000000;;
- dep r3 = r17,r3,4,16;;
- mov ar.csd = r3;; // ar25 = CSD
- mov ar.ssd = r3;; // ar26 = SSD
-
-//------------------------------//
-// give control to INT function //
-//------------------------------//
-
- br.call.sptk b0 = execute_int_function;;
-
-//------------------------------//
-// store legacy registers //
-//------------------------------//
-
- mov r2 = in1;;
- st4 [r2] = r8,4;; // EAX
- st4 [r2] = r9,4;; // ECX
- st4 [r2] = r10,4;; // EDX
- st4 [r2] = r11,4;; // EBX
-
- add r2 = 4,r2;; // ESP (skip)
-
- st4 [r2] = r13,4;; // EBP
- st4 [r2] = r14,4;; // ESI
- st4 [r2] = r15,4;; // EDI
-
- mov r3 = ar.eflag;;
- st4 [r2] = r3,4;; // EFLAGS
-
- add r2 = 4,r2;; // EIP (skip)
- add r2 = 2,r2;; // CS (skip)
-
- st2 [r2] = r16,2;; // DS, (r16 = GS,FS,ES,DS)
-
- extr.u r3 = r16,16,16;;
- st2 [r2] = r3,2;; // ES
-
- extr.u r3 = r16,32,16;;
- st2 [r2] = r3,2;; // FS
-
- extr.u r3 = r16,48,16;;
- st2 [r2] = r3,2;; // GS
-
-//------------------------------//
-// restore fp registers //
-//------------------------------//
- mov sp = loc9;; // restore (SP)
-int_ip_2x::
- mov r2 = ip;;
- add r2 = (int_ip_2y - int_ip_2x),r2;;
- mov b7 = r2;;
- br restore_fp_registers;;
-
-int_ip_2y::
- mov r8 = r0;; // return status
- mov r9 = r0;; // return value
- mov r10 = r0;; // return value
- mov r11 = r0;; // return value
-
- mov ar.fpsr = loc8;; // restore efi (FPSR)
- mov ar.lc = loc7;; // restore efi (LC)
- mov r13 = loc6;; // restore efi (TP)
- mov sp = loc5;; // restore efi (SP)
- mov pr = loc4;; // restore efi (PR)
- mov gp = loc3;; // restore efi (GP)
- mov psr.l = loc2;; // restore efi (PSR)
- srlz.d;;
- srlz.i;;
- mov b0 = loc1;; // restore efi (b0)
- mov ar.pfs = loc0;;
- br.ret.sptk b0;; // return to efi
-
-PROCEDURE_EXIT (EfiIaEntryPoint)
-
-//==============================//
-// EXECUTE_INT_FUNCTION //
-//==============================//
-// switch to virtual address //
-//------------------------------//
-
-execute_int_function::
-
- alloc r2 = 0,0,0,0;; // cfm.sof=0
- flushrs;;
-
- rsm 0x2000;; // ic(13)=0 for control register programming
- srlz.d;;
- srlz.i;;
-
- mov r2 = psr;;
- dep r2 = -1,r2,34,1;; // set is(34)
- dep r2 = -1,r2,44,1;; // set bn(44)
- dep r2 = -1,r2,36,1;; // set it(36)
- dep r2 = -1,r2,27,1;; // set rt(27)
- dep r2 = -1,r2,17,1;; // set dt(17)
- dep r2 = 0,r2,3,1;; // reset ac(3)
- dep r2 = -1,r2,13,1;; // set ic(13)
-
- mov cr.ipsr = r2;;
- mov cr.ifs = r0;; // clear interruption function state register
- mov cr.iip = r18;;
-
- rfi;; // go to legacy code execution
-
-//------------------------------//
-// back from legacy code //
-//------------------------------//
-// switch to physical address //
-//------------------------------//
-
-sale_ip1y::
- rsm 0x6000;; // i(14)=0,ic(13)=0 for control reg programming
- srlz.d;;
- srlz.i;;
-
- mov r2 = psr;;
- dep r2 = -1,r2,44,1;; // set bn(44)
- dep r2 = 0,r2,36,1;; // reset it(36)
- dep r2 = 0,r2,27,1;; // reset rt(27)
- dep r2 = 0,r2,17,1;; // reset dt(17)
- dep r2 = -1,r2,13,1;; // set ic(13)
- mov cr.ipsr = r2;;
-
-sale_ip2x::
- mov r2 = ip;;
- add r2 = (sale_ip2y - sale_ip2x),r2;;
- mov cr.ifs = r0;; // clear interruption function state register
- mov cr.iip = r2;;
- rfi;;
-
-sale_ip2y::
- br.ret.sptk b0;; // return to SAL
-
-//------------------------------//
-// store fp registers //
-//------------------------------//
-save_fp_registers::
- stf.spill [sp]=f2,-16;; stf.spill [sp]=f3,-16;;
- stf.spill [sp]=f4,-16;; stf.spill [sp]=f5,-16;; stf.spill [sp]=f6,-16;; stf.spill [sp]=f7,-16;;
- stf.spill [sp]=f8,-16;; stf.spill [sp]=f9,-16;; stf.spill [sp]=f10,-16;; stf.spill [sp]=f11,-16;;
- stf.spill [sp]=f12,-16;; stf.spill [sp]=f13,-16;; stf.spill [sp]=f14,-16;; stf.spill [sp]=f15,-16;;
- stf.spill [sp]=f16,-16;; stf.spill [sp]=f17,-16;; stf.spill [sp]=f18,-16;; stf.spill [sp]=f19,-16;;
- stf.spill [sp]=f20,-16;; stf.spill [sp]=f21,-16;; stf.spill [sp]=f22,-16;; stf.spill [sp]=f23,-16;;
- stf.spill [sp]=f24,-16;; stf.spill [sp]=f25,-16;; stf.spill [sp]=f26,-16;; stf.spill [sp]=f27,-16;;
- stf.spill [sp]=f28,-16;; stf.spill [sp]=f29,-16;; stf.spill [sp]=f30,-16;; stf.spill [sp]=f31,-16;;
- stf.spill [sp]=f32,-16;; stf.spill [sp]=f33,-16;; stf.spill [sp]=f34,-16;; stf.spill [sp]=f35,-16;;
- stf.spill [sp]=f36,-16;; stf.spill [sp]=f37,-16;; stf.spill [sp]=f38,-16;; stf.spill [sp]=f39,-16;;
- stf.spill [sp]=f40,-16;; stf.spill [sp]=f41,-16;; stf.spill [sp]=f42,-16;; stf.spill [sp]=f43,-16;;
- stf.spill [sp]=f44,-16;; stf.spill [sp]=f45,-16;; stf.spill [sp]=f46,-16;; stf.spill [sp]=f47,-16;;
- stf.spill [sp]=f48,-16;; stf.spill [sp]=f49,-16;; stf.spill [sp]=f50,-16;; stf.spill [sp]=f51,-16;;
- stf.spill [sp]=f52,-16;; stf.spill [sp]=f53,-16;; stf.spill [sp]=f54,-16;; stf.spill [sp]=f55,-16;;
- stf.spill [sp]=f56,-16;; stf.spill [sp]=f57,-16;; stf.spill [sp]=f58,-16;; stf.spill [sp]=f59,-16;;
- stf.spill [sp]=f60,-16;; stf.spill [sp]=f61,-16;; stf.spill [sp]=f62,-16;; stf.spill [sp]=f63,-16;;
- stf.spill [sp]=f64,-16;; stf.spill [sp]=f65,-16;; stf.spill [sp]=f66,-16;; stf.spill [sp]=f67,-16;;
- stf.spill [sp]=f68,-16;; stf.spill [sp]=f69,-16;; stf.spill [sp]=f70,-16;; stf.spill [sp]=f71,-16;;
- stf.spill [sp]=f72,-16;; stf.spill [sp]=f73,-16;; stf.spill [sp]=f74,-16;; stf.spill [sp]=f75,-16;;
- stf.spill [sp]=f76,-16;; stf.spill [sp]=f77,-16;; stf.spill [sp]=f78,-16;; stf.spill [sp]=f79,-16;;
- stf.spill [sp]=f80,-16;; stf.spill [sp]=f81,-16;; stf.spill [sp]=f82,-16;; stf.spill [sp]=f83,-16;;
- stf.spill [sp]=f84,-16;; stf.spill [sp]=f85,-16;; stf.spill [sp]=f86,-16;; stf.spill [sp]=f87,-16;;
- stf.spill [sp]=f88,-16;; stf.spill [sp]=f89,-16;; stf.spill [sp]=f90,-16;; stf.spill [sp]=f91,-16;;
- stf.spill [sp]=f92,-16;; stf.spill [sp]=f93,-16;; stf.spill [sp]=f94,-16;; stf.spill [sp]=f95,-16;;
- stf.spill [sp]=f96,-16;; stf.spill [sp]=f97,-16;; stf.spill [sp]=f98,-16;; stf.spill [sp]=f99,-16;;
- stf.spill [sp]=f100,-16;;stf.spill [sp]=f101,-16;;stf.spill [sp]=f102,-16;;stf.spill [sp]=f103,-16;;
- stf.spill [sp]=f104,-16;;stf.spill [sp]=f105,-16;;stf.spill [sp]=f106,-16;;stf.spill [sp]=f107,-16;;
- stf.spill [sp]=f108,-16;;stf.spill [sp]=f109,-16;;stf.spill [sp]=f110,-16;;stf.spill [sp]=f111,-16;;
- stf.spill [sp]=f112,-16;;stf.spill [sp]=f113,-16;;stf.spill [sp]=f114,-16;;stf.spill [sp]=f115,-16;;
- stf.spill [sp]=f116,-16;;stf.spill [sp]=f117,-16;;stf.spill [sp]=f118,-16;;stf.spill [sp]=f119,-16;;
- stf.spill [sp]=f120,-16;;stf.spill [sp]=f121,-16;;stf.spill [sp]=f122,-16;;stf.spill [sp]=f123,-16;;
- stf.spill [sp]=f124,-16;;stf.spill [sp]=f125,-16;;stf.spill [sp]=f126,-16;;stf.spill [sp]=f127,-16;;
- invala;;
- br b7;;
-
-//------------------------------//
-// restore fp registers //
-//------------------------------//
-restore_fp_registers::
- ldf.fill f127=[sp],16;;ldf.fill f126=[sp],16;;ldf.fill f125=[sp],16;;ldf.fill f124=[sp],16;;
- ldf.fill f123=[sp],16;;ldf.fill f122=[sp],16;;ldf.fill f121=[sp],16;;ldf.fill f120=[sp],16;;
- ldf.fill f119=[sp],16;;ldf.fill f118=[sp],16;;ldf.fill f117=[sp],16;;ldf.fill f116=[sp],16;;
- ldf.fill f115=[sp],16;;ldf.fill f114=[sp],16;;ldf.fill f113=[sp],16;;ldf.fill f112=[sp],16;;
- ldf.fill f111=[sp],16;;ldf.fill f110=[sp],16;;ldf.fill f109=[sp],16;;ldf.fill f108=[sp],16;;
- ldf.fill f107=[sp],16;;ldf.fill f106=[sp],16;;ldf.fill f105=[sp],16;;ldf.fill f104=[sp],16;;
- ldf.fill f103=[sp],16;;ldf.fill f102=[sp],16;;ldf.fill f101=[sp],16;;ldf.fill f100=[sp],16;;
- ldf.fill f99=[sp],16;; ldf.fill f98=[sp],16;; ldf.fill f97=[sp],16;; ldf.fill f96=[sp],16;;
- ldf.fill f95=[sp],16;; ldf.fill f94=[sp],16;; ldf.fill f93=[sp],16;; ldf.fill f92=[sp],16;;
- ldf.fill f91=[sp],16;; ldf.fill f90=[sp],16;; ldf.fill f89=[sp],16;; ldf.fill f88=[sp],16;;
- ldf.fill f87=[sp],16;; ldf.fill f86=[sp],16;; ldf.fill f85=[sp],16;; ldf.fill f84=[sp],16;;
- ldf.fill f83=[sp],16;; ldf.fill f82=[sp],16;; ldf.fill f81=[sp],16;; ldf.fill f80=[sp],16;;
- ldf.fill f79=[sp],16;; ldf.fill f78=[sp],16;; ldf.fill f77=[sp],16;; ldf.fill f76=[sp],16;;
- ldf.fill f75=[sp],16;; ldf.fill f74=[sp],16;; ldf.fill f73=[sp],16;; ldf.fill f72=[sp],16;;
- ldf.fill f71=[sp],16;; ldf.fill f70=[sp],16;; ldf.fill f69=[sp],16;; ldf.fill f68=[sp],16;;
- ldf.fill f67=[sp],16;; ldf.fill f66=[sp],16;; ldf.fill f65=[sp],16;; ldf.fill f64=[sp],16;;
- ldf.fill f63=[sp],16;; ldf.fill f62=[sp],16;; ldf.fill f61=[sp],16;; ldf.fill f60=[sp],16;;
- ldf.fill f59=[sp],16;; ldf.fill f58=[sp],16;; ldf.fill f57=[sp],16;; ldf.fill f56=[sp],16;;
- ldf.fill f55=[sp],16;; ldf.fill f54=[sp],16;; ldf.fill f53=[sp],16;; ldf.fill f52=[sp],16;;
- ldf.fill f51=[sp],16;; ldf.fill f50=[sp],16;; ldf.fill f49=[sp],16;; ldf.fill f48=[sp],16;;
- ldf.fill f47=[sp],16;; ldf.fill f46=[sp],16;; ldf.fill f45=[sp],16;; ldf.fill f44=[sp],16;;
- ldf.fill f43=[sp],16;; ldf.fill f42=[sp],16;; ldf.fill f41=[sp],16;; ldf.fill f40=[sp],16;;
- ldf.fill f39=[sp],16;; ldf.fill f38=[sp],16;; ldf.fill f37=[sp],16;; ldf.fill f36=[sp],16;;
- ldf.fill f35=[sp],16;; ldf.fill f34=[sp],16;; ldf.fill f33=[sp],16;; ldf.fill f32=[sp],16;;
- ldf.fill f31=[sp],16;; ldf.fill f30=[sp],16;; ldf.fill f29=[sp],16;; ldf.fill f28=[sp],16;;
- ldf.fill f27=[sp],16;; ldf.fill f26=[sp],16;; ldf.fill f25=[sp],16;; ldf.fill f24=[sp],16;;
- ldf.fill f23=[sp],16;; ldf.fill f22=[sp],16;; ldf.fill f21=[sp],16;; ldf.fill f20=[sp],16;;
- ldf.fill f19=[sp],16;; ldf.fill f18=[sp],16;; ldf.fill f17=[sp],16;; ldf.fill f16=[sp],16;;
- ldf.fill f15=[sp],16;; ldf.fill f14=[sp],16;; ldf.fill f13=[sp],16;; ldf.fill f12=[sp],16;;
- ldf.fill f11=[sp],16;; ldf.fill f10=[sp],16;; ldf.fill f9=[sp],16;; ldf.fill f8=[sp],16;;
- ldf.fill f7=[sp],16;; ldf.fill f6=[sp],16;; ldf.fill f5=[sp],16;; ldf.fill f4=[sp],16;;
- ldf.fill f3=[sp],16;; ldf.fill f2=[sp],16;;
- invala;;
- br b7;;
-
-//-----------------------------------------------------------------------------
-//++
-// EsalSetSalDataArea
-//
-// Register physical address of Esal Data Area
-//
-// On Entry :
-// in0 = Reverse Thunk Address
-// in1 = IntThunk Address
-//
-// Return Value:
-// r8 = SAL_SUCCESS
-//
-// As per static calling conventions.
-//
-//--
-//---------------------------------------------------------------------------
-
-PROCEDURE_ENTRY (EsalSetSalDataArea)
-
- NESTED_SETUP (4,8,0,0)
-
-EsalCalcStart1_3::
- mov r8 = ip;;
- add r8 = (ReverseThunkAddress - EsalCalcStart1_3), r8;;
- st8 [r8] = in0;;
-
-EsalCalcStart1_4::
- mov r8 = ip;;
- add r8 = (IntThunkAddress - EsalCalcStart1_4), r8;;
- st8 [r8] = in1;;
-
- mov r8 = r0;;
-
- NESTED_RETURN
-
-PROCEDURE_EXIT (EsalSetSalDataArea)
-
-//-----------------------------------------------------------------------------
-//++
-// EsagGetReverseThunkAddress
-//
-// Register physical address of Esal Data Area
-//
-// On Entry :
-// out0 = CodeStart
-// out1 = CodeEnd
-// out1 = ReverseThunkCode
-//
-// Return Value:
-// r8 = SAL_SUCCESS
-//
-// As per static calling conventions.
-//
-//--
-//---------------------------------------------------------------------------
-
-PROCEDURE_ENTRY (EsalGetReverseThunkAddress)
-
- NESTED_SETUP (4,8,0,0)
-
-EsalCalcStart1_31::
- mov r8 = ip;;
- add r8 = (Ia32CodeStart - EsalCalcStart1_31), r8;;
- mov r9 = r8;;
-
-EsalCalcStart1_41::
- mov r8 = ip;;
- add r8 = (Ia32CodeEnd - EsalCalcStart1_41), r8;;
- mov r10 = r8;;
-
-EsalCalcStart1_51::
- mov r8 = ip;;
- add r8 = (ReverseThunkAddress - EsalCalcStart1_51), r8;;
- mov r11 = r8;;
- mov r8 = r0;;
-
- NESTED_RETURN
-
-PROCEDURE_EXIT (EsalGetReverseThunkAddress)
-
-
-.align 16
-PROCEDURE_ENTRY (InterruptRedirectionTemplate)
- data8 0x90CFCD08
- data8 0x90CFCD09
- data8 0x90CFCD0A
- data8 0x90CFCD0B
- data8 0x90CFCD0C
- data8 0x90CFCD0D
- data8 0x90CFCD0E
- data8 0x90CFCD0F
-PROCEDURE_EXIT (InterruptRedirectionTemplate)
-
-//------------------------------//
-// Reverse Thunk Code //
-//------------------------------//
-
-Ia32CodeStart::
- br.sptk.few Ia32CodeStart;; // IPF CSM integration -Bug (Write This Code)
-ReverseThunkCode::
- data8 0xb80f66fa // CLI, JMPE xxxx
-ReverseThunkAddress::
- data8 0 // Return Address
-IntThunkAddress::
- data8 0 // IntThunk Address
-Ia32CodeEnd::
-
-
-
-
+//// @file\r
+//\r
+// Copyright (c) 1999 - 2008, Intel Corporation. All rights reserved.<BR>\r
+//\r
+// This program and the accompanying materials\r
+// are licensed and made available under the terms and conditions\r
+// of the BSD License which accompanies this distribution. The\r
+// full text of the license may be found at\r
+// http://opensource.org/licenses/bsd-license.php\r
+//\r
+// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+//\r
+////\r
+\r
+.file "IpfThunk.s"\r
+\r
+#include "IpfMacro.i"\r
+#include "Ipf/IpfThunk.i"\r
+\r
+.align 0x10\r
+//-----------------------------------------------------------------------------\r
+//++\r
+// EfiIaEntryPoint\r
+//\r
+// Register physical address of Esal Data Area\r
+//\r
+// On Entry :\r
+// in1 = ptr to legacy bios reg\r
+// in2 = ptr to Call Stack\r
+// in3 = Call Stack Size\r
+//\r
+// Return Value:\r
+// r8 = SAL_SUCCESS\r
+//\r
+// As per static calling conventions.\r
+//\r
+//--\r
+//---------------------------------------------------------------------------\r
+PROCEDURE_ENTRY(EfiIaEntryPoint)\r
+\r
+ alloc loc0 = 8,10,8,0;;\r
+\r
+ mov out0 = r0;;\r
+ mov out1 = r0;;\r
+ mov out2 = r0;;\r
+ mov out3 = r0;;\r
+ mov out4 = r0;;\r
+ mov out5 = r0;;\r
+ mov out6 = r0;;\r
+ mov out7 = r0;;\r
+\r
+ mov loc1 = b0;; // save efi (b0)\r
+ mov loc2 = psr;; // save efi (PSR)\r
+ mov loc3 = gp;; // save efi (GP)\r
+ mov loc4 = pr;; // save efi (PR)\r
+ mov loc5 = sp;; // save efi (SP)\r
+ mov loc6 = r13;; // save efi (TP)\r
+ mov loc7 = ar.lc;; // save efi (LC)\r
+ mov loc8 = ar.fpsr;; // save efi (FPSR)\r
+\r
+ mov r8 = r0;; // return status\r
+ mov r9 = r0;; // return value\r
+ mov r10 = r0;; // return value\r
+ mov r11 = r0;; // return value\r
+\r
+bios_int_func::\r
+ rsm 0x4000;; // i(14)=0, disable interrupt\r
+ srlz.d;;\r
+ srlz.i;;\r
+\r
+//---------------------//\r
+// save fp registers //\r
+//---------------------//\r
+\r
+ dep sp = 0,sp,0,4;; // align 16\r
+ add sp = -16,sp;; // post decrement\r
+\r
+int_ip_1x::\r
+ mov r2 = ip;;\r
+ add r2 = (int_ip_1y - int_ip_1x),r2;;\r
+ mov b7 = r2;;\r
+ br save_fp_registers;;\r
+\r
+int_ip_1y::\r
+ add sp = 16,sp;; // adjust (SP)\r
+ mov loc9 = sp;; // save (SP)\r
+ adds sp = 0x10,in1;; // in1 + 0x10 = SP\r
+ ld4 sp = [sp];; // SP\r
+ adds r17 = 0x32,in1;; // in1 + 0x32 = SS\r
+ ld2 r17 = [r17];; // SS\r
+ movl r2 = 0xffffffff;; // if no SS:SP, then define new SS:SP\r
+ cmp.ne p6,p0 = sp,r2;;\r
+ movl r2 = 0xffff;;\r
+ cmp.ne.or p6,p0 = r17,r2;;\r
+ (p6) br.sptk bif_1;;\r
+\r
+ mov sp = in3;; // 16-bit stack pointer\r
+ mov r2 = psr;;\r
+ tbit.z p6,p7 = r2,17;; // psr.dt (Physical OR Virtual)\r
+\r
+bif_ip1x::\r
+ mov r2 = in2;; // ia32 callback stack top\r
+ mov r3 = in3;; // 16-bit stack pointer\r
+ sub r2 = r2,r3;;\r
+ shr.u r17 = r2,4;; // 16-bit stack segment\r
+\r
+bif_1::\r
+ extr.u sp = sp,0,16;; // SP (16-bit sp for legacy code)\r
+ dep sp = 0,sp,0,3;; // align 8\r
+ cmp.eq p6,p0 = 0,sp;; // if SP=0000 then wrap to 0x10000\r
+ (p6) dep sp = -1,sp,16,1;;\r
+ shladd r2 = r17,4,sp;; // ESP = SS<<4+SP\r
+ add r2 = -8,r2;; // post decrement 64 bit pointer\r
+ add sp = -8,sp;; // post decrement SP\r
+\r
+sale_ip1x::\r
+ mov r18 = ip;;\r
+ adds r18 = (sale_ip1y - sale_ip1x),r18;;\r
+ sub r18 = r18,r2;; // return address - CS base\r
+ add r18 = r18,sp;; // adjustment for stack\r
+ shl r18 = r18,32;;\r
+ movl r19 = 0xb80f66fa;; // CLI, JMPE xxxxxxxx\r
+ or r18 = r18,r19;;\r
+ st8 [r2] = r18;; // (FA,66,0F,B8,xx,xx,xx,xx)\r
+\r
+ cmp.eq p6,p0 = 0,sp;; // if SP=0000 then wrap to 0x10000\r
+ (p6) dep sp = -1,sp,16,1;;\r
+ shladd r2 = r17,4,sp;; // ESP=SS<<4+SP\r
+ add r2 = -2,r2;; // post decrement 64 bit pointer\r
+ add sp = -2,sp;; // post decrement SP\r
+\r
+ movl r18 = 0x8000000000000100;; // CALL FAR function\r
+ cmp.eq p6,p7 = in0,r18;;\r
+ (p6) add r19 = 0x28,in1;; // in1 + 0x28 = CS\r
+ (p6) ld2 r18 = [r19],-4;; // CS\r
+ (p6) st2 [r2] = r18,-2;; // in1 + 0x24 = EIP\r
+ (p6) ld2 r18 = [r19];; // EIP\r
+ (p6) st2 [r2] = r18,-2;; //\r
+ (p6) movl r18 = 0x9a90;; // nop, CALLFAR xxxx:yyyy\r
+\r
+ (p7) movl r18 = 0xcd;; // INT xx\r
+ (p7) dep r18 = in0,r18,8,8;;\r
+ st2 [r2] = r18;; // (CD,xx)\r
+\r
+ mov r18 = r2;; // EIP for legacy execution\r
+\r
+//------------------------------//\r
+// flush 32 bytes legacy code //\r
+//------------------------------//\r
+\r
+ dep r2 = 0,r2,0,5;; // align to 32\r
+ fc r2;;\r
+ sync.i;;\r
+ srlz.i;;\r
+ srlz.d;;\r
+\r
+//------------------------------//\r
+// load legacy registers //\r
+//------------------------------//\r
+ mov r2 = in1;; // IA32 BIOS register state\r
+ ld4 r8 = [r2],4;; // in1 + 0 = EAX\r
+ ld4 r9 = [r2],4;; // in1 + 4 = ECX\r
+ ld4 r10 = [r2],4;; // in1 + 8 = EDX\r
+ ld4 r11 = [r2],4;; // in1 + 12 = EBX\r
+\r
+ add r2 = 4,r2;; // in1 + 16 = ESP (skip)\r
+\r
+ ld4 r13 = [r2],4;; // in1 + 20 = EBP\r
+ ld4 r14 = [r2],4;; // in1 + 24 = ESI\r
+ ld4 r15 = [r2],4;; // in1 + 28 = EDI\r
+ ld4 r3 = [r2],4;; // in1 + 32 = EFLAGS\r
+ mov ar.eflag = r3;;\r
+\r
+ add r2 = 4,r2;; // in1 + 36 = EIP (skip)\r
+ add r2 = 2,r2;; // in1 + 40 = CS (skip)\r
+\r
+ ld2 r16 = [r2],2;; // in1 + 42 = DS, (r16 = GS,FS,ES,DS)\r
+ movl r27 = 0xc93fffff00000000;;\r
+ dep r27 = r16,r27,4,16;; // r27 = DSD\r
+\r
+ ld2 r19 = [r2],2;; // in1 + 44 = ES\r
+ dep r16 = r19,r16,16,16;;\r
+ movl r24 = 0xc93fffff00000000;;\r
+ dep r24 = r19,r24,4,16;; // r24 = ESD\r
+\r
+ ld2 r19 = [r2],2;; // in1 + 46 = FS\r
+ dep r16 = r19,r16,32,16;;\r
+ movl r28 = 0xc93fffff00000000;;\r
+ dep r28 = r19,r28,4,16;; // r28 = FSD\r
+\r
+ ld2 r19 = [r2],2;; // in1 + 48 = GS\r
+ dep r16 = r19,r16,48,16;;\r
+ movl r29 = 0xc93fffff00000000;;\r
+ dep r29 = r19,r29,4,16;; // r29 = GSD\r
+\r
+ mov r30 = r0;; // r30 = LDTD, clear NaT\r
+ mov r31 = r0;; // r31 = GDTD, clear NaT\r
+\r
+ dep r17 = r17,r17,16,16;; // CS = SS, (r17 = TSS,LDT,SS,CS)\r
+\r
+ movl r3 = 0x0930ffff00000000;;\r
+ dep r3 = r17,r3,4,16;;\r
+ mov ar.csd = r3;; // ar25 = CSD\r
+ mov ar.ssd = r3;; // ar26 = SSD\r
+\r
+//------------------------------//\r
+// give control to INT function //\r
+//------------------------------//\r
+\r
+ br.call.sptk b0 = execute_int_function;;\r
+\r
+//------------------------------//\r
+// store legacy registers //\r
+//------------------------------//\r
+\r
+ mov r2 = in1;;\r
+ st4 [r2] = r8,4;; // EAX\r
+ st4 [r2] = r9,4;; // ECX\r
+ st4 [r2] = r10,4;; // EDX\r
+ st4 [r2] = r11,4;; // EBX\r
+\r
+ add r2 = 4,r2;; // ESP (skip)\r
+\r
+ st4 [r2] = r13,4;; // EBP\r
+ st4 [r2] = r14,4;; // ESI\r
+ st4 [r2] = r15,4;; // EDI\r
+\r
+ mov r3 = ar.eflag;;\r
+ st4 [r2] = r3,4;; // EFLAGS\r
+\r
+ add r2 = 4,r2;; // EIP (skip)\r
+ add r2 = 2,r2;; // CS (skip)\r
+\r
+ st2 [r2] = r16,2;; // DS, (r16 = GS,FS,ES,DS)\r
+\r
+ extr.u r3 = r16,16,16;;\r
+ st2 [r2] = r3,2;; // ES\r
+\r
+ extr.u r3 = r16,32,16;;\r
+ st2 [r2] = r3,2;; // FS\r
+\r
+ extr.u r3 = r16,48,16;;\r
+ st2 [r2] = r3,2;; // GS\r
+\r
+//------------------------------//\r
+// restore fp registers //\r
+//------------------------------//\r
+ mov sp = loc9;; // restore (SP)\r
+int_ip_2x::\r
+ mov r2 = ip;;\r
+ add r2 = (int_ip_2y - int_ip_2x),r2;;\r
+ mov b7 = r2;;\r
+ br restore_fp_registers;;\r
+\r
+int_ip_2y::\r
+ mov r8 = r0;; // return status\r
+ mov r9 = r0;; // return value\r
+ mov r10 = r0;; // return value\r
+ mov r11 = r0;; // return value\r
+\r
+ mov ar.fpsr = loc8;; // restore efi (FPSR)\r
+ mov ar.lc = loc7;; // restore efi (LC)\r
+ mov r13 = loc6;; // restore efi (TP)\r
+ mov sp = loc5;; // restore efi (SP)\r
+ mov pr = loc4;; // restore efi (PR)\r
+ mov gp = loc3;; // restore efi (GP)\r
+ mov psr.l = loc2;; // restore efi (PSR)\r
+ srlz.d;;\r
+ srlz.i;;\r
+ mov b0 = loc1;; // restore efi (b0)\r
+ mov ar.pfs = loc0;;\r
+ br.ret.sptk b0;; // return to efi\r
+\r
+PROCEDURE_EXIT (EfiIaEntryPoint)\r
+\r
+//==============================//\r
+// EXECUTE_INT_FUNCTION //\r
+//==============================//\r
+// switch to virtual address //\r
+//------------------------------//\r
+\r
+execute_int_function::\r
+\r
+ alloc r2 = 0,0,0,0;; // cfm.sof=0\r
+ flushrs;;\r
+\r
+ rsm 0x2000;; // ic(13)=0 for control register programming\r
+ srlz.d;;\r
+ srlz.i;;\r
+\r
+ mov r2 = psr;;\r
+ dep r2 = -1,r2,34,1;; // set is(34)\r
+ dep r2 = -1,r2,44,1;; // set bn(44)\r
+ dep r2 = -1,r2,36,1;; // set it(36)\r
+ dep r2 = -1,r2,27,1;; // set rt(27)\r
+ dep r2 = -1,r2,17,1;; // set dt(17)\r
+ dep r2 = 0,r2,3,1;; // reset ac(3)\r
+ dep r2 = -1,r2,13,1;; // set ic(13)\r
+\r
+ mov cr.ipsr = r2;;\r
+ mov cr.ifs = r0;; // clear interruption function state register\r
+ mov cr.iip = r18;;\r
+\r
+ rfi;; // go to legacy code execution\r
+\r
+//------------------------------//\r
+// back from legacy code //\r
+//------------------------------//\r
+// switch to physical address //\r
+//------------------------------//\r
+\r
+sale_ip1y::\r
+ rsm 0x6000;; // i(14)=0,ic(13)=0 for control reg programming\r
+ srlz.d;;\r
+ srlz.i;;\r
+\r
+ mov r2 = psr;;\r
+ dep r2 = -1,r2,44,1;; // set bn(44)\r
+ dep r2 = 0,r2,36,1;; // reset it(36)\r
+ dep r2 = 0,r2,27,1;; // reset rt(27)\r
+ dep r2 = 0,r2,17,1;; // reset dt(17)\r
+ dep r2 = -1,r2,13,1;; // set ic(13)\r
+ mov cr.ipsr = r2;;\r
+\r
+sale_ip2x::\r
+ mov r2 = ip;;\r
+ add r2 = (sale_ip2y - sale_ip2x),r2;;\r
+ mov cr.ifs = r0;; // clear interruption function state register\r
+ mov cr.iip = r2;;\r
+ rfi;;\r
+\r
+sale_ip2y::\r
+ br.ret.sptk b0;; // return to SAL\r
+\r
+//------------------------------//\r
+// store fp registers //\r
+//------------------------------//\r
+save_fp_registers::\r
+ stf.spill [sp]=f2,-16;; stf.spill [sp]=f3,-16;;\r
+ stf.spill [sp]=f4,-16;; stf.spill [sp]=f5,-16;; stf.spill [sp]=f6,-16;; stf.spill [sp]=f7,-16;;\r
+ stf.spill [sp]=f8,-16;; stf.spill [sp]=f9,-16;; stf.spill [sp]=f10,-16;; stf.spill [sp]=f11,-16;;\r
+ stf.spill [sp]=f12,-16;; stf.spill [sp]=f13,-16;; stf.spill [sp]=f14,-16;; stf.spill [sp]=f15,-16;;\r
+ stf.spill [sp]=f16,-16;; stf.spill [sp]=f17,-16;; stf.spill [sp]=f18,-16;; stf.spill [sp]=f19,-16;;\r
+ stf.spill [sp]=f20,-16;; stf.spill [sp]=f21,-16;; stf.spill [sp]=f22,-16;; stf.spill [sp]=f23,-16;;\r
+ stf.spill [sp]=f24,-16;; stf.spill [sp]=f25,-16;; stf.spill [sp]=f26,-16;; stf.spill [sp]=f27,-16;;\r
+ stf.spill [sp]=f28,-16;; stf.spill [sp]=f29,-16;; stf.spill [sp]=f30,-16;; stf.spill [sp]=f31,-16;;\r
+ stf.spill [sp]=f32,-16;; stf.spill [sp]=f33,-16;; stf.spill [sp]=f34,-16;; stf.spill [sp]=f35,-16;;\r
+ stf.spill [sp]=f36,-16;; stf.spill [sp]=f37,-16;; stf.spill [sp]=f38,-16;; stf.spill [sp]=f39,-16;;\r
+ stf.spill [sp]=f40,-16;; stf.spill [sp]=f41,-16;; stf.spill [sp]=f42,-16;; stf.spill [sp]=f43,-16;;\r
+ stf.spill [sp]=f44,-16;; stf.spill [sp]=f45,-16;; stf.spill [sp]=f46,-16;; stf.spill [sp]=f47,-16;;\r
+ stf.spill [sp]=f48,-16;; stf.spill [sp]=f49,-16;; stf.spill [sp]=f50,-16;; stf.spill [sp]=f51,-16;;\r
+ stf.spill [sp]=f52,-16;; stf.spill [sp]=f53,-16;; stf.spill [sp]=f54,-16;; stf.spill [sp]=f55,-16;;\r
+ stf.spill [sp]=f56,-16;; stf.spill [sp]=f57,-16;; stf.spill [sp]=f58,-16;; stf.spill [sp]=f59,-16;;\r
+ stf.spill [sp]=f60,-16;; stf.spill [sp]=f61,-16;; stf.spill [sp]=f62,-16;; stf.spill [sp]=f63,-16;;\r
+ stf.spill [sp]=f64,-16;; stf.spill [sp]=f65,-16;; stf.spill [sp]=f66,-16;; stf.spill [sp]=f67,-16;;\r
+ stf.spill [sp]=f68,-16;; stf.spill [sp]=f69,-16;; stf.spill [sp]=f70,-16;; stf.spill [sp]=f71,-16;;\r
+ stf.spill [sp]=f72,-16;; stf.spill [sp]=f73,-16;; stf.spill [sp]=f74,-16;; stf.spill [sp]=f75,-16;;\r
+ stf.spill [sp]=f76,-16;; stf.spill [sp]=f77,-16;; stf.spill [sp]=f78,-16;; stf.spill [sp]=f79,-16;;\r
+ stf.spill [sp]=f80,-16;; stf.spill [sp]=f81,-16;; stf.spill [sp]=f82,-16;; stf.spill [sp]=f83,-16;;\r
+ stf.spill [sp]=f84,-16;; stf.spill [sp]=f85,-16;; stf.spill [sp]=f86,-16;; stf.spill [sp]=f87,-16;;\r
+ stf.spill [sp]=f88,-16;; stf.spill [sp]=f89,-16;; stf.spill [sp]=f90,-16;; stf.spill [sp]=f91,-16;;\r
+ stf.spill [sp]=f92,-16;; stf.spill [sp]=f93,-16;; stf.spill [sp]=f94,-16;; stf.spill [sp]=f95,-16;;\r
+ stf.spill [sp]=f96,-16;; stf.spill [sp]=f97,-16;; stf.spill [sp]=f98,-16;; stf.spill [sp]=f99,-16;;\r
+ stf.spill [sp]=f100,-16;;stf.spill [sp]=f101,-16;;stf.spill [sp]=f102,-16;;stf.spill [sp]=f103,-16;;\r
+ stf.spill [sp]=f104,-16;;stf.spill [sp]=f105,-16;;stf.spill [sp]=f106,-16;;stf.spill [sp]=f107,-16;;\r
+ stf.spill [sp]=f108,-16;;stf.spill [sp]=f109,-16;;stf.spill [sp]=f110,-16;;stf.spill [sp]=f111,-16;;\r
+ stf.spill [sp]=f112,-16;;stf.spill [sp]=f113,-16;;stf.spill [sp]=f114,-16;;stf.spill [sp]=f115,-16;;\r
+ stf.spill [sp]=f116,-16;;stf.spill [sp]=f117,-16;;stf.spill [sp]=f118,-16;;stf.spill [sp]=f119,-16;;\r
+ stf.spill [sp]=f120,-16;;stf.spill [sp]=f121,-16;;stf.spill [sp]=f122,-16;;stf.spill [sp]=f123,-16;;\r
+ stf.spill [sp]=f124,-16;;stf.spill [sp]=f125,-16;;stf.spill [sp]=f126,-16;;stf.spill [sp]=f127,-16;;\r
+ invala;;\r
+ br b7;;\r
+\r
+//------------------------------//\r
+// restore fp registers //\r
+//------------------------------//\r
+restore_fp_registers::\r
+ ldf.fill f127=[sp],16;;ldf.fill f126=[sp],16;;ldf.fill f125=[sp],16;;ldf.fill f124=[sp],16;;\r
+ ldf.fill f123=[sp],16;;ldf.fill f122=[sp],16;;ldf.fill f121=[sp],16;;ldf.fill f120=[sp],16;;\r
+ ldf.fill f119=[sp],16;;ldf.fill f118=[sp],16;;ldf.fill f117=[sp],16;;ldf.fill f116=[sp],16;;\r
+ ldf.fill f115=[sp],16;;ldf.fill f114=[sp],16;;ldf.fill f113=[sp],16;;ldf.fill f112=[sp],16;;\r
+ ldf.fill f111=[sp],16;;ldf.fill f110=[sp],16;;ldf.fill f109=[sp],16;;ldf.fill f108=[sp],16;;\r
+ ldf.fill f107=[sp],16;;ldf.fill f106=[sp],16;;ldf.fill f105=[sp],16;;ldf.fill f104=[sp],16;;\r
+ ldf.fill f103=[sp],16;;ldf.fill f102=[sp],16;;ldf.fill f101=[sp],16;;ldf.fill f100=[sp],16;;\r
+ ldf.fill f99=[sp],16;; ldf.fill f98=[sp],16;; ldf.fill f97=[sp],16;; ldf.fill f96=[sp],16;;\r
+ ldf.fill f95=[sp],16;; ldf.fill f94=[sp],16;; ldf.fill f93=[sp],16;; ldf.fill f92=[sp],16;;\r
+ ldf.fill f91=[sp],16;; ldf.fill f90=[sp],16;; ldf.fill f89=[sp],16;; ldf.fill f88=[sp],16;;\r
+ ldf.fill f87=[sp],16;; ldf.fill f86=[sp],16;; ldf.fill f85=[sp],16;; ldf.fill f84=[sp],16;;\r
+ ldf.fill f83=[sp],16;; ldf.fill f82=[sp],16;; ldf.fill f81=[sp],16;; ldf.fill f80=[sp],16;;\r
+ ldf.fill f79=[sp],16;; ldf.fill f78=[sp],16;; ldf.fill f77=[sp],16;; ldf.fill f76=[sp],16;;\r
+ ldf.fill f75=[sp],16;; ldf.fill f74=[sp],16;; ldf.fill f73=[sp],16;; ldf.fill f72=[sp],16;;\r
+ ldf.fill f71=[sp],16;; ldf.fill f70=[sp],16;; ldf.fill f69=[sp],16;; ldf.fill f68=[sp],16;;\r
+ ldf.fill f67=[sp],16;; ldf.fill f66=[sp],16;; ldf.fill f65=[sp],16;; ldf.fill f64=[sp],16;;\r
+ ldf.fill f63=[sp],16;; ldf.fill f62=[sp],16;; ldf.fill f61=[sp],16;; ldf.fill f60=[sp],16;;\r
+ ldf.fill f59=[sp],16;; ldf.fill f58=[sp],16;; ldf.fill f57=[sp],16;; ldf.fill f56=[sp],16;;\r
+ ldf.fill f55=[sp],16;; ldf.fill f54=[sp],16;; ldf.fill f53=[sp],16;; ldf.fill f52=[sp],16;;\r
+ ldf.fill f51=[sp],16;; ldf.fill f50=[sp],16;; ldf.fill f49=[sp],16;; ldf.fill f48=[sp],16;;\r
+ ldf.fill f47=[sp],16;; ldf.fill f46=[sp],16;; ldf.fill f45=[sp],16;; ldf.fill f44=[sp],16;;\r
+ ldf.fill f43=[sp],16;; ldf.fill f42=[sp],16;; ldf.fill f41=[sp],16;; ldf.fill f40=[sp],16;;\r
+ ldf.fill f39=[sp],16;; ldf.fill f38=[sp],16;; ldf.fill f37=[sp],16;; ldf.fill f36=[sp],16;;\r
+ ldf.fill f35=[sp],16;; ldf.fill f34=[sp],16;; ldf.fill f33=[sp],16;; ldf.fill f32=[sp],16;;\r
+ ldf.fill f31=[sp],16;; ldf.fill f30=[sp],16;; ldf.fill f29=[sp],16;; ldf.fill f28=[sp],16;;\r
+ ldf.fill f27=[sp],16;; ldf.fill f26=[sp],16;; ldf.fill f25=[sp],16;; ldf.fill f24=[sp],16;;\r
+ ldf.fill f23=[sp],16;; ldf.fill f22=[sp],16;; ldf.fill f21=[sp],16;; ldf.fill f20=[sp],16;;\r
+ ldf.fill f19=[sp],16;; ldf.fill f18=[sp],16;; ldf.fill f17=[sp],16;; ldf.fill f16=[sp],16;;\r
+ ldf.fill f15=[sp],16;; ldf.fill f14=[sp],16;; ldf.fill f13=[sp],16;; ldf.fill f12=[sp],16;;\r
+ ldf.fill f11=[sp],16;; ldf.fill f10=[sp],16;; ldf.fill f9=[sp],16;; ldf.fill f8=[sp],16;;\r
+ ldf.fill f7=[sp],16;; ldf.fill f6=[sp],16;; ldf.fill f5=[sp],16;; ldf.fill f4=[sp],16;;\r
+ ldf.fill f3=[sp],16;; ldf.fill f2=[sp],16;;\r
+ invala;;\r
+ br b7;;\r
+\r
+//-----------------------------------------------------------------------------\r
+//++\r
+// EsalSetSalDataArea\r
+//\r
+// Register physical address of Esal Data Area\r
+//\r
+// On Entry :\r
+// in0 = Reverse Thunk Address\r
+// in1 = IntThunk Address\r
+//\r
+// Return Value:\r
+// r8 = SAL_SUCCESS\r
+//\r
+// As per static calling conventions.\r
+//\r
+//--\r
+//---------------------------------------------------------------------------\r
+\r
+PROCEDURE_ENTRY (EsalSetSalDataArea)\r
+\r
+ NESTED_SETUP (4,8,0,0)\r
+\r
+EsalCalcStart1_3::\r
+ mov r8 = ip;;\r
+ add r8 = (ReverseThunkAddress - EsalCalcStart1_3), r8;;\r
+ st8 [r8] = in0;;\r
+\r
+EsalCalcStart1_4::\r
+ mov r8 = ip;;\r
+ add r8 = (IntThunkAddress - EsalCalcStart1_4), r8;;\r
+ st8 [r8] = in1;;\r
+\r
+ mov r8 = r0;;\r
+\r
+ NESTED_RETURN\r
+\r
+PROCEDURE_EXIT (EsalSetSalDataArea)\r
+\r
+//-----------------------------------------------------------------------------\r
+//++\r
+// EsagGetReverseThunkAddress\r
+//\r
+// Register physical address of Esal Data Area\r
+//\r
+// On Entry :\r
+// out0 = CodeStart\r
+// out1 = CodeEnd\r
+// out1 = ReverseThunkCode\r
+//\r
+// Return Value:\r
+// r8 = SAL_SUCCESS\r
+//\r
+// As per static calling conventions.\r
+//\r
+//--\r
+//---------------------------------------------------------------------------\r
+\r
+PROCEDURE_ENTRY (EsalGetReverseThunkAddress)\r
+\r
+ NESTED_SETUP (4,8,0,0)\r
+\r
+EsalCalcStart1_31::\r
+ mov r8 = ip;;\r
+ add r8 = (Ia32CodeStart - EsalCalcStart1_31), r8;;\r
+ mov r9 = r8;;\r
+\r
+EsalCalcStart1_41::\r
+ mov r8 = ip;;\r
+ add r8 = (Ia32CodeEnd - EsalCalcStart1_41), r8;;\r
+ mov r10 = r8;;\r
+\r
+EsalCalcStart1_51::\r
+ mov r8 = ip;;\r
+ add r8 = (ReverseThunkAddress - EsalCalcStart1_51), r8;;\r
+ mov r11 = r8;;\r
+ mov r8 = r0;;\r
+\r
+ NESTED_RETURN\r
+\r
+PROCEDURE_EXIT (EsalGetReverseThunkAddress)\r
+\r
+\r
+.align 16\r
+PROCEDURE_ENTRY (InterruptRedirectionTemplate)\r
+ data8 0x90CFCD08\r
+ data8 0x90CFCD09\r
+ data8 0x90CFCD0A\r
+ data8 0x90CFCD0B\r
+ data8 0x90CFCD0C\r
+ data8 0x90CFCD0D\r
+ data8 0x90CFCD0E\r
+ data8 0x90CFCD0F\r
+PROCEDURE_EXIT (InterruptRedirectionTemplate)\r
+\r
+//------------------------------//\r
+// Reverse Thunk Code //\r
+//------------------------------//\r
+\r
+Ia32CodeStart::\r
+ br.sptk.few Ia32CodeStart;; // IPF CSM integration -Bug (Write This Code)\r
+ReverseThunkCode::\r
+ data8 0xb80f66fa // CLI, JMPE xxxx\r
+ReverseThunkAddress::\r
+ data8 0 // Return Address\r
+IntThunkAddress::\r
+ data8 0 // IntThunk Address\r
+Ia32CodeEnd::\r
+\r
+\r
+\r
+\r
projects / mirror_edk2.git / commitdiff