windows-nt/Source/XPSP1/NT/base/ntos/ke/ia64/debugctx.s
2020-09-26 16:20:57 +08:00

240 lines
8.8 KiB
ArmAsm
Raw Permalink Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#include "ksia64.h"
//--------------------------------------------------------------------
// Routine:
//
// VOID
// KiSaveEmDebugContext(
// IN OUT PCONTEXT Context)
//
// Description:
//
// This function takes the contents of the EM debug registers
// and saves them in the specified EM mode Context frame.
//
// Input:
//
// a0: Context - Pointer to the EM Context frame where the debug
// registers should be saved.
//
// Output:
//
// Stores the debug registers in the target EM Context frame.
//
// Return value:
//
// None
//
//
// N.B. The format iA mode FP registers is 80 bits and will not change.
//
//--------------------------------------------------------------------
LEAF_ENTRY(KiSaveEmDebugContext)
add t1 = CxDbD0, a0 // Point at Context's DbD0
add t2 = CxDbI0, a0 // Point at Context's DbI0
mov t5 = dbr[r0] // Get Dbr0
mov t6 = ibr[r0] // Get Ibr0
;;
st8 [t1] = t5, CxDbD1 - CxDbD0 // Save Dbr
st8 [t2] = t6, CxDbI1 - CxDbI0 // Save Ibr
add t3 = 1, r0 // Next is Dbr1
add t4 = 1, r0 // Next is Ibr1
;;
mov t5 = dbr[t3] // Get Dbr1
mov t6 = ibr[t4] // Get Ibr1
;;
st8 [t1] = t5, CxDbD2 - CxDbD1 // Save Dbr
st8 [t2] = t6, CxDbI2 - CxDbI1 // Save Ibr
add t3 = 1, t3 // Next is Dbr2
add t4 = 1, t4 // Next is Ibr2
;;
mov t5 = dbr[t3] // Get Dbr2
mov t6 = ibr[t4] // Get Ibr2
;;
st8 [t1] = t5, CxDbD3 - CxDbD2 // Save Dbr
st8 [t2] = t6, CxDbI3 - CxDbI2 // Save Ibr
add t3 = 1, t3 // Next is Dbr3
add t4 = 1, t4 // Next is Ibr3
;;
mov t5 = dbr[t3] // Get Dbr3
mov t6 = ibr[t4] // Get Ibr3
;;
st8 [t1] = t5, CxDbD4 - CxDbD3 // Save Dbr
st8 [t2] = t6, CxDbI4 - CxDbI3 // Save Ibr
add t3 = 1, t3 // Next is Dbr4
add t4 = 1, t4 // Next is Ibr4
;;
mov t5 = dbr[t3] // Get Dbr4
mov t6 = ibr[t4] // Get Ibr4
;;
st8 [t1] = t5, CxDbD5 - CxDbD4 // Save Dbr
st8 [t2] = t6, CxDbI5 - CxDbI4 // Save Ibr
add t3 = 1, t3 // Next is Dbr5
add t4 = 1, t4 // Next is Ibr5
;;
mov t5 = dbr[t3] // Get Dbr5
mov t6 = ibr[t4] // Get Ibr5
;;
st8 [t1] = t5, CxDbD6 - CxDbD5 // Save Dbr
st8 [t2] = t6, CxDbI6 - CxDbI5 // Save Ibr
add t3 = 1, t3 // Next is Dbr6
add t4 = 1, t4 // Next is Ibr6
;;
mov t5 = dbr[t3] // Get Dbr6
mov t6 = ibr[t4] // Get Ibr6
;;
st8 [t1] = t5, CxDbD7 - CxDbD6 // Save Dbr
st8 [t2] = t6, CxDbI7 - CxDbI6 // Save Ibr
add t3 = 1, t3 // Next is Dbr7
add t4 = 1, t4 // Next is Ibr7
;;
mov t5 = dbr[t3] // Get Dbr7
mov t6 = ibr[t4] // Get Ibr7
;;
st8 [t1] = t5, CxFltS0 - CxDbD7 // Save Dbr
st8 [t2] = t6, CxDbD0 - CxDbI7 // Save Ibr
br.ret.sptk brp
;;
LEAF_EXIT(KiSaveEmDebugContext)
//--------------------------------------------------------------------
// Routine:
//
// VOID
// KiLoadEmDebugContext(
// IN PCONTEXT Context)
//
// Description:
//
// This function takes the values stored for the EM debug registers
// in the specified EM mode Context frame and loads the debug registers
// for the thread with them.
//
// Input:
//
// a0: Context - Pointer to the EM Context frame where the debug
// register contents are to be loaded from.
//
// Output:
//
// None
//
// Return value:
//
// None
//
// N.B. The format iA mode FP registers is 80 bits and will not change.
//
//--------------------------------------------------------------------
LEAF_ENTRY(KiLoadEmDebugContext)
add t1 = CxDbD0, a0 // Point at Context's DbD0
add t2 = CxDbI0, a0 // Point at Context's DbI0
;;
ld8 t5 = [t1], CxDbD1 - CxDbD0 // Load Value for Dbr0
ld8 t6 = [t2], CxDbI1 - CxDbI0 // Load Value for Ibr0
;;
mov dbr[r0] = t5 // Load Dbr0
mov ibr[r0] = t6 // Load Ibr0
add t3 = 1, r0 // Start with Dbr1
add t4 = 1, r0 // Start with Ibr1
ld8 t5 = [t1], CxDbD2 - CxDbD1 // Load Value for Dbr1
ld8 t6 = [t2], CxDbI2 - CxDbI1 // Load Value for Ibr1
;;
mov dbr[t3] = t5 // Load Dbr1
mov ibr[t4] = t6 // Load Ibr1
add t3 = 2, r0 // Start with Dbr2
add t4 = 2, r0 // Start with Ibr2
ld8 t5 = [t1], CxDbD3 - CxDbD2 // Load Value for Dbr2
ld8 t6 = [t2], CxDbI3 - CxDbI2 // Load Value for Ibr2
;;
mov dbr[t3] = t5 // Load Dbr2
mov ibr[t4] = t6 // Load Ibr2
add t3 = 3, r0 // Start with Dbr3
add t4 = 3, r0 // Start with Ibr3
ld8 t5 = [t1], CxDbD4 - CxDbD3 // Load Value for Dbr3
ld8 t6 = [t2], CxDbI4 - CxDbI3 // Load Value for Ibr3
;;
mov dbr[t3] = t5 // Load Dbr3
mov ibr[t4] = t6 // Load Ibr3
add t3 = 4, r0 // Start with Dbr4
add t4 = 4, r0 // Start with Ibr4
ld8 t5 = [t1], CxDbD5 - CxDbD4 // Load Value for Dbr4
ld8 t6 = [t2], CxDbI5 - CxDbI4 // Load Value for Ibr4
;;
mov dbr[t3] = t5 // Load Dbr4
mov ibr[t4] = t6 // Load Ibr4
add t3 = 5, r0 // Start with Dbr5
add t4 = 5, r0 // Start with Ibr5
ld8 t5 = [t1], CxDbD6 - CxDbD5 // Load Value for Dbr5
ld8 t6 = [t2], CxDbI6 - CxDbI5 // Load Value for Ibr5
;;
mov dbr[t3] = t5 // Load Dbr5
mov ibr[t4] = t6 // Load Ibr5
add t3 = 6, r0 // Start with Dbr6
add t4 = 6, r0 // Start with Ibr6
ld8 t5 = [t1], CxDbD7 - CxDbD6 // Load Value for Dbr6
ld8 t6 = [t2], CxDbI7 - CxDbI6 // Load Value for Ibr6
;;
mov dbr[t3] = t5 // Load Dbr6
mov ibr[t4] = t6 // Load Ibr6
add t3 = 7, r0 // Start with Dbr7
add t4 = 7, r0 // Start with Ibr7
ld8 t5 = [t1], CxFltS0- CxDbD7 // Load Value for Dbr7
ld8 t6 = [t2], CxDbD0 - CxDbI7 // Load Value for Ibr7
;;
mov dbr[t3] = t5 // Load Dbr7
mov ibr[t4] = t6 // Load Ibr7
br.ret.sptk brp
LEAF_EXIT(KiLoadEmDebugContext)