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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/arm/kvm/coproc_a7.c | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/kvm/coproc_a7.c')
-rw-r--r-- | arch/arm/kvm/coproc_a7.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/kvm/coproc_a7.c b/arch/arm/kvm/coproc_a7.c new file mode 100644 index 000000000..b19e46d1b --- /dev/null +++ b/arch/arm/kvm/coproc_a7.c @@ -0,0 +1,54 @@ +/* + * Copyright (C) 2012 - Virtual Open Systems and Columbia University + * Copyright (C) 2013 - ARM Ltd + * + * Authors: Rusty Russell <rusty@rustcorp.au> + * Christoffer Dall <c.dall@virtualopensystems.com> + * Jonathan Austin <jonathan.austin@arm.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include <linux/kvm_host.h> +#include <asm/kvm_coproc.h> +#include <asm/kvm_emulate.h> +#include <linux/init.h> + +#include "coproc.h" + +/* + * Cortex-A7 specific CP15 registers. + * CRn denotes the primary register number, but is copied to the CRm in the + * user space API for 64-bit register access in line with the terminology used + * in the ARM ARM. + * Important: Must be sorted ascending by CRn, CRM, Op1, Op2 and with 64-bit + * registers preceding 32-bit ones. + */ +static const struct coproc_reg a7_regs[] = { + /* SCTLR: swapped by interrupt.S. */ + { CRn( 1), CRm( 0), Op1( 0), Op2( 0), is32, + access_vm_reg, reset_val, c1_SCTLR, 0x00C50878 }, +}; + +static struct kvm_coproc_target_table a7_target_table = { + .target = KVM_ARM_TARGET_CORTEX_A7, + .table = a7_regs, + .num = ARRAY_SIZE(a7_regs), +}; + +static int __init coproc_a7_init(void) +{ + kvm_register_target_coproc_table(&a7_target_table); + return 0; +} +late_initcall(coproc_a7_init); |