add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/arch/powerpc/kvm/bookehv_interrupts.S
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@@ -1,16 +1,5 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License, version 2, as
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- * published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, write to the Free Software
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- * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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  *
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  * Copyright (C) 2010-2011 Freescale Semiconductor, Inc.
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  *
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@@ -445,9 +434,10 @@
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 #endif
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 	/* Switch to kernel stack and jump to handler. */
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-	PPC_LL	r3, HOST_RUN(r1)
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+	mr	r3, r4
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 	mr	r5, r14 /* intno */
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 	mr	r14, r4 /* Save vcpu pointer. */
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+	mr	r4, r5
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 	bl	kvmppc_handle_exit
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 	/* Restore vcpu pointer and the nonvolatiles we used. */
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@@ -536,15 +526,14 @@
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 	blr
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 /* Registers:
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- *  r3: kvm_run pointer
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- *  r4: vcpu pointer
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+ *  r3: vcpu pointer
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  */
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 _GLOBAL(__kvmppc_vcpu_run)
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 	stwu	r1, -HOST_STACK_SIZE(r1)
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-	PPC_STL	r1, VCPU_HOST_STACK(r4)	/* Save stack pointer to vcpu. */
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+	PPC_STL	r1, VCPU_HOST_STACK(r3)	/* Save stack pointer to vcpu. */
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 	/* Save host state to stack. */
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-	PPC_STL	r3, HOST_RUN(r1)
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+	mr	r4, r3
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 	mflr	r3
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 	mfcr	r5
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 	PPC_STL	r3, HOST_STACK_LR(r1)