bcm64: use MOVP instruction for saving and restoring registers
This commit is contained in:
cinap_lenrek
parent
1c0427e6dd
commit
9d790238f2
2 changed files with 85 additions and 182 deletions
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@ -17,7 +17,6 @@ extern void noteret(void);
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extern void returnto(void*);
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extern void returnto(void*);
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extern void fpsaveregs(void*);
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extern void fpsaveregs(void*);
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extern void fploadregs(void*);
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extern void fploadregs(void*);
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extern void magic(void);
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extern void setttbr(uintptr pa);
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extern void setttbr(uintptr pa);
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extern uintptr getfar(void);
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extern uintptr getfar(void);
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@ -334,17 +334,6 @@ TEXT setttbr(SB), 1, $-4
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B cacheiinv(SB)
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B cacheiinv(SB)
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TEXT magic(SB), 1, $-4
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DSB $SY
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ISB $SY
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DSB $SY
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ISB $SY
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DSB $SY
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ISB $SY
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DSB $SY
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ISB $SY
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RETURN
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/*
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/*
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* TLB maintenance operations.
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* TLB maintenance operations.
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* these broadcast to all cpu's in the cluser
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* these broadcast to all cpu's in the cluser
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@ -421,10 +410,8 @@ TEXT vsys0(SB), 1, $-4
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CMPW $0x15, R17 // SVC trap?
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CMPW $0x15, R17 // SVC trap?
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BNE _itsatrap // nope.
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BNE _itsatrap // nope.
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MOV R26, 224(RSP) // special
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MOVP R26, R27, 224(RSP)
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MOV R27, 232(RSP) // special
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MOVP R28, R29, 240(RSP)
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MOV R28, 240(RSP) // sb
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MOV R29, 248(RSP) // special
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MRS SP_EL0, R1
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MRS SP_EL0, R1
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MRS ELR_EL1, R2
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MRS ELR_EL1, R2
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@ -456,10 +443,8 @@ TEXT forkret(SB), 1, $-4
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MSR R2, ELR_EL1
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MSR R2, ELR_EL1
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MSR R3, SPSR_EL1
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MSR R3, SPSR_EL1
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MOV 224(RSP), R26 // special
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MOVP 224(RSP), R26, R27
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MOV 232(RSP), R27 // special
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MOVP 240(RSP), R28, R29
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MOV 240(RSP), R28 // sb
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MOV 248(RSP), R29 // special
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MOV 256(RSP), R30 // link
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MOV 256(RSP), R30 // link
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@ -468,38 +453,24 @@ TEXT forkret(SB), 1, $-4
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TEXT itsatrap<>(SB), 1, $-4
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TEXT itsatrap<>(SB), 1, $-4
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_itsatrap:
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_itsatrap:
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MOV R1, 24(RSP)
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MOVP R1, R2, 24(RSP)
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MOV R2, 32(RSP)
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MOVP R3, R4, 40(RSP)
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MOV R3, 40(RSP)
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MOVP R5, R6, 56(RSP)
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MOV R4, 48(RSP)
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MOVP R7, R8, 72(RSP)
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MOV R5, 56(RSP)
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MOVP R9, R10, 88(RSP)
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MOV R6, 64(RSP)
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MOVP R11, R12, 104(RSP)
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MOV R7, 72(RSP)
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MOVP R13, R14, 120(RSP)
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MOV R8, 80(RSP)
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MOVP R15, R16, 136(RSP)
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MOV R9, 88(RSP)
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MOV R10, 96(RSP)
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MOV R11, 104(RSP)
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MOV R12, 112(RSP)
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MOV R13, 120(RSP)
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MOV R14, 128(RSP)
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MOV R15, 136(RSP)
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MOV R16, 144(RSP)
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MOV R18, 160(RSP)
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MOVP R18, R19, 160(RSP)
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MOV R19, 168(RSP)
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MOVP R20, R21, 176(RSP)
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MOV R20, 176(RSP)
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MOVP R22, R23, 192(RSP)
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MOV R21, 184(RSP)
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MOVP R24, R25, 208(RSP)
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MOV R22, 192(RSP)
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MOV R23, 200(RSP)
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MOV R24, 208(RSP)
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MOV R25, 216(RSP)
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// trap/irq/fiq/serr from EL0
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// trap/irq/fiq/serr from EL0
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TEXT vtrap0(SB), 1, $-4
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TEXT vtrap0(SB), 1, $-4
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MOV R26, 224(RSP) // special
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MOVP R26, R27, 224(RSP)
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MOV R27, 232(RSP) // special
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MOVP R28, R29, 240(RSP)
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MOV R28, 240(RSP) // sb
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MOV R29, 248(RSP) // special
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MRS SP_EL0, R1
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MRS SP_EL0, R1
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MRS ELR_EL1, R2
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MRS ELR_EL1, R2
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@ -530,38 +501,23 @@ TEXT noteret(SB), 1, $-4
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MSR R2, ELR_EL1
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MSR R2, ELR_EL1
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MSR R3, SPSR_EL1
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MSR R3, SPSR_EL1
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MOV 224(RSP), R26 // special
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MOVP 224(RSP), R26, R27
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MOV 232(RSP), R27 // special
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MOVP 240(RSP), R28, R29
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MOV 240(RSP), R28 // sb
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MOV 248(RSP), R29 // special
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_intrreturn:
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_intrreturn:
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MOV 16(RSP), R0
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MOVP 16(RSP), R0, R1
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MOV 24(RSP), R1
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MOVP 32(RSP), R2, R3
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MOV 32(RSP), R2
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MOVP 48(RSP), R4, R5
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MOV 40(RSP), R3
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MOVP 64(RSP), R6, R7
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MOV 48(RSP), R4
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MOVP 80(RSP), R8, R9
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MOV 56(RSP), R5
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MOVP 96(RSP), R10, R11
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MOV 64(RSP), R6
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MOVP 112(RSP), R12, R13
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MOV 72(RSP), R7
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MOVP 128(RSP), R14, R15
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MOV 80(RSP), R8
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MOVP 144(RSP), R16, R17
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MOV 88(RSP), R9
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MOVP 160(RSP), R18, R19
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MOV 96(RSP), R10
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MOVP 176(RSP), R20, R21
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MOV 104(RSP), R11
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MOVP 192(RSP), R22, R23
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MOV 112(RSP), R12
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MOVP 208(RSP), R24, R25
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MOV 120(RSP), R13
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MOV 128(RSP), R14
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MOV 136(RSP), R15
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MOV 144(RSP), R16
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MOV 152(RSP), R17
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MOV 160(RSP), R18
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MOV 168(RSP), R19
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MOV 176(RSP), R20
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MOV 184(RSP), R21
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MOV 192(RSP), R22
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MOV 200(RSP), R23
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MOV 208(RSP), R24
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MOV 216(RSP), R25
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MOV 256(RSP), R30 // link
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MOV 256(RSP), R30 // link
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@ -612,32 +568,19 @@ _vsyspatch:
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TEXT vtrap(SB), 1, $-4
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TEXT vtrap(SB), 1, $-4
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SUB $TRAPFRAMESIZE, RSP
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SUB $TRAPFRAMESIZE, RSP
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MOV R0, 16(RSP)
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MOVP R0, R1, 16(RSP)
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MOV R1, 24(RSP)
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MOVP R2, R3, 32(RSP)
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MOV R2, 32(RSP)
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MOVP R4, R5, 48(RSP)
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MOV R3, 40(RSP)
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MOVP R6, R7, 64(RSP)
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MOV R4, 48(RSP)
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MOVP R8, R9, 80(RSP)
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MOV R5, 56(RSP)
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MOVP R10, R11, 96(RSP)
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MOV R6, 64(RSP)
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MOVP R12, R13, 112(RSP)
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MOV R7, 72(RSP)
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MOVP R14, R15, 128(RSP)
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MOV R8, 80(RSP)
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MOVP R16, R17, 144(RSP)
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MOV R9, 88(RSP)
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MOVP R18, R19, 160(RSP)
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MOV R10, 96(RSP)
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MOVP R20, R21, 176(RSP)
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MOV R11, 104(RSP)
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MOVP R22, R23, 192(RSP)
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MOV R12, 112(RSP)
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MOVP R24, R25, 208(RSP)
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MOV R13, 120(RSP)
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MOV R14, 128(RSP)
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MOV R15, 136(RSP)
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MOV R16, 144(RSP)
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MOV R17, 152(RSP)
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MOV R18, 160(RSP)
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MOV R19, 168(RSP)
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MOV R20, 176(RSP)
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MOV R21, 184(RSP)
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MOV R22, 192(RSP)
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MOV R23, 200(RSP)
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MOV R24, 208(RSP)
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MOV R25, 216(RSP)
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MOV R30, 256(RSP) // link
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MOV R30, 256(RSP) // link
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@ -649,32 +592,19 @@ _vtrappatch:
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TEXT virq(SB), 1, $-4
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TEXT virq(SB), 1, $-4
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SUB $TRAPFRAMESIZE, RSP
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SUB $TRAPFRAMESIZE, RSP
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MOV R0, 16(RSP)
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MOVP R0, R1, 16(RSP)
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MOV R1, 24(RSP)
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MOVP R2, R3, 32(RSP)
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MOV R2, 32(RSP)
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MOVP R4, R5, 48(RSP)
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MOV R3, 40(RSP)
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MOVP R6, R7, 64(RSP)
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MOV R4, 48(RSP)
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MOVP R8, R9, 80(RSP)
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MOV R5, 56(RSP)
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MOVP R10, R11, 96(RSP)
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MOV R6, 64(RSP)
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MOVP R12, R13, 112(RSP)
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MOV R7, 72(RSP)
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MOVP R14, R15, 128(RSP)
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MOV R8, 80(RSP)
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MOVP R16, R17, 144(RSP)
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MOV R9, 88(RSP)
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MOVP R18, R19, 160(RSP)
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MOV R10, 96(RSP)
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MOVP R20, R21, 176(RSP)
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MOV R11, 104(RSP)
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MOVP R22, R23, 192(RSP)
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MOV R12, 112(RSP)
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MOVP R24, R25, 208(RSP)
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MOV R13, 120(RSP)
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MOV R14, 128(RSP)
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MOV R15, 136(RSP)
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MOV R16, 144(RSP)
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MOV R17, 152(RSP)
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MOV R18, 160(RSP)
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MOV R19, 168(RSP)
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MOV R20, 176(RSP)
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MOV R21, 184(RSP)
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MOV R22, 192(RSP)
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MOV R23, 200(RSP)
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MOV R24, 208(RSP)
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MOV R25, 216(RSP)
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MOV R30, 256(RSP) // link
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MOV R30, 256(RSP) // link
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@ -686,32 +616,19 @@ _virqpatch:
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TEXT vfiq(SB), 1, $-4
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TEXT vfiq(SB), 1, $-4
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SUB $TRAPFRAMESIZE, RSP
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SUB $TRAPFRAMESIZE, RSP
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MOV R0, 16(RSP)
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MOVP R0, R1, 16(RSP)
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MOV R1, 24(RSP)
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MOVP R2, R3, 32(RSP)
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MOV R2, 32(RSP)
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MOVP R4, R5, 48(RSP)
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MOV R3, 40(RSP)
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MOVP R6, R7, 64(RSP)
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MOV R4, 48(RSP)
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MOVP R8, R9, 80(RSP)
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MOV R5, 56(RSP)
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MOVP R10, R11, 96(RSP)
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MOV R6, 64(RSP)
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MOVP R12, R13, 112(RSP)
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MOV R7, 72(RSP)
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MOVP R14, R15, 128(RSP)
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MOV R8, 80(RSP)
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MOVP R16, R17, 144(RSP)
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MOV R9, 88(RSP)
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MOVP R18, R19, 160(RSP)
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MOV R10, 96(RSP)
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MOVP R20, R21, 176(RSP)
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MOV R11, 104(RSP)
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MOVP R22, R23, 192(RSP)
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MOV R12, 112(RSP)
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MOVP R24, R25, 208(RSP)
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MOV R13, 120(RSP)
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MOV R14, 128(RSP)
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MOV R15, 136(RSP)
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MOV R16, 144(RSP)
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MOV R17, 152(RSP)
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MOV R18, 160(RSP)
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MOV R19, 168(RSP)
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MOV R20, 176(RSP)
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MOV R21, 184(RSP)
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MOV R22, 192(RSP)
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MOV R23, 200(RSP)
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MOV R24, 208(RSP)
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MOV R25, 216(RSP)
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MOV R30, 256(RSP) // link
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MOV R30, 256(RSP) // link
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MOV $(2<<32), R0 // type fiq
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MOV $(2<<32), R0 // type fiq
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@ -722,32 +639,19 @@ _vfiqpatch:
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TEXT vserr(SB), 1, $-4
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TEXT vserr(SB), 1, $-4
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SUB $TRAPFRAMESIZE, RSP
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SUB $TRAPFRAMESIZE, RSP
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MOV R0, 16(RSP)
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MOVP R0, R1, 16(RSP)
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MOV R1, 24(RSP)
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MOVP R2, R3, 32(RSP)
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MOV R2, 32(RSP)
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MOVP R4, R5, 48(RSP)
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MOV R3, 40(RSP)
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MOVP R6, R7, 64(RSP)
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MOV R4, 48(RSP)
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MOVP R8, R9, 80(RSP)
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MOV R5, 56(RSP)
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MOVP R10, R11, 96(RSP)
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MOV R6, 64(RSP)
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MOVP R12, R13, 112(RSP)
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MOV R7, 72(RSP)
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MOVP R14, R15, 128(RSP)
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MOV R8, 80(RSP)
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MOVP R16, R17, 144(RSP)
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MOV R9, 88(RSP)
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MOVP R18, R19, 160(RSP)
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MOV R10, 96(RSP)
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MOVP R20, R21, 176(RSP)
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MOV R11, 104(RSP)
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MOVP R22, R23, 192(RSP)
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MOV R12, 112(RSP)
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MOVP R24, R25, 208(RSP)
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MOV R13, 120(RSP)
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MOV R14, 128(RSP)
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MOV R15, 136(RSP)
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MOV R16, 144(RSP)
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MOV R17, 152(RSP)
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MOV R18, 160(RSP)
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MOV R19, 168(RSP)
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MOV R20, 176(RSP)
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MOV R21, 184(RSP)
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MOV R22, 192(RSP)
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MOV R23, 200(RSP)
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MOV R24, 208(RSP)
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MOV R25, 216(RSP)
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MOV R30, 256(RSP) // link
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MOV R30, 256(RSP) // link
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