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