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authorCatalin Marinas <catalin.marinas@arm.com>2013-06-12 16:48:38 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2013-06-12 16:48:38 +0100
commit63917f0b5ba2a932d4fca7f67d1a1eae9034269e (patch)
tree2e5b219ca98b56868136e227601a91143d289daf /arch/arm64/kernel
parentMerge tag 'xen-arm64-3.1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/sstabellini/xen into upstream (diff)
parentarm64: KVM: document kernel object mappings in HYP (diff)
downloadlinux-dev-63917f0b5ba2a932d4fca7f67d1a1eae9034269e.tar.xz
linux-dev-63917f0b5ba2a932d4fca7f67d1a1eae9034269e.zip
Merge branch 'kvm-arm64/kvm-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into upstream
* 'kvm-arm64/kvm-for-3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms: (33 commits) arm64: KVM: document kernel object mappings in HYP arm64: KVM: MAINTAINERS update arm64: KVM: userspace API documentation arm64: KVM: enable initialization of a 32bit vcpu arm64: KVM: 32bit guest fault injection arm64: KVM: 32bit specific register world switch arm64: KVM: CPU specific 32bit coprocessor access arm64: KVM: 32bit handling of coprocessor traps arm64: KVM: 32bit conditional execution emulation arm64: KVM: 32bit GP register access arm64: KVM: define 32bit specific registers arm64: KVM: Build system integration arm64: KVM: PSCI implementation arm64: KVM: Plug the arch timer ARM: KVM: timer: allow DT matching for ARMv8 cores arm64: KVM: Plug the VGIC arm64: KVM: Exit handling arm64: KVM: HYP mode world switch implementation arm64: KVM: hypervisor initialization code arm64: KVM: guest one-reg interface ... Conflicts: arch/arm64/Makefile
Diffstat (limited to 'arch/arm64/kernel')
-rw-r--r--arch/arm64/kernel/asm-offsets.c33
-rw-r--r--arch/arm64/kernel/vmlinux.lds.S20
2 files changed, 53 insertions, 0 deletions
diff --git a/arch/arm64/kernel/asm-offsets.c b/arch/arm64/kernel/asm-offsets.c
index a2a4d810bea3..49c162c03b69 100644
--- a/arch/arm64/kernel/asm-offsets.c
+++ b/arch/arm64/kernel/asm-offsets.c
@@ -104,5 +104,38 @@ int main(void)
BLANK();
DEFINE(TZ_MINWEST, offsetof(struct timezone, tz_minuteswest));
DEFINE(TZ_DSTTIME, offsetof(struct timezone, tz_dsttime));
+ BLANK();
+#ifdef CONFIG_KVM_ARM_HOST
+ DEFINE(VCPU_CONTEXT, offsetof(struct kvm_vcpu, arch.ctxt));
+ DEFINE(CPU_GP_REGS, offsetof(struct kvm_cpu_context, gp_regs));
+ DEFINE(CPU_USER_PT_REGS, offsetof(struct kvm_regs, regs));
+ DEFINE(CPU_FP_REGS, offsetof(struct kvm_regs, fp_regs));
+ DEFINE(CPU_SP_EL1, offsetof(struct kvm_regs, sp_el1));
+ DEFINE(CPU_ELR_EL1, offsetof(struct kvm_regs, elr_el1));
+ DEFINE(CPU_SPSR, offsetof(struct kvm_regs, spsr));
+ DEFINE(CPU_SYSREGS, offsetof(struct kvm_cpu_context, sys_regs));
+ DEFINE(VCPU_ESR_EL2, offsetof(struct kvm_vcpu, arch.fault.esr_el2));
+ DEFINE(VCPU_FAR_EL2, offsetof(struct kvm_vcpu, arch.fault.far_el2));
+ DEFINE(VCPU_HPFAR_EL2, offsetof(struct kvm_vcpu, arch.fault.hpfar_el2));
+ DEFINE(VCPU_HCR_EL2, offsetof(struct kvm_vcpu, arch.hcr_el2));
+ DEFINE(VCPU_IRQ_LINES, offsetof(struct kvm_vcpu, arch.irq_lines));
+ DEFINE(VCPU_HOST_CONTEXT, offsetof(struct kvm_vcpu, arch.host_cpu_context));
+ DEFINE(VCPU_TIMER_CNTV_CTL, offsetof(struct kvm_vcpu, arch.timer_cpu.cntv_ctl));
+ DEFINE(VCPU_TIMER_CNTV_CVAL, offsetof(struct kvm_vcpu, arch.timer_cpu.cntv_cval));
+ DEFINE(KVM_TIMER_CNTVOFF, offsetof(struct kvm, arch.timer.cntvoff));
+ DEFINE(KVM_TIMER_ENABLED, offsetof(struct kvm, arch.timer.enabled));
+ DEFINE(VCPU_KVM, offsetof(struct kvm_vcpu, kvm));
+ DEFINE(VCPU_VGIC_CPU, offsetof(struct kvm_vcpu, arch.vgic_cpu));
+ DEFINE(VGIC_CPU_HCR, offsetof(struct vgic_cpu, vgic_hcr));
+ DEFINE(VGIC_CPU_VMCR, offsetof(struct vgic_cpu, vgic_vmcr));
+ DEFINE(VGIC_CPU_MISR, offsetof(struct vgic_cpu, vgic_misr));
+ DEFINE(VGIC_CPU_EISR, offsetof(struct vgic_cpu, vgic_eisr));
+ DEFINE(VGIC_CPU_ELRSR, offsetof(struct vgic_cpu, vgic_elrsr));
+ DEFINE(VGIC_CPU_APR, offsetof(struct vgic_cpu, vgic_apr));
+ DEFINE(VGIC_CPU_LR, offsetof(struct vgic_cpu, vgic_lr));
+ DEFINE(VGIC_CPU_NR_LR, offsetof(struct vgic_cpu, nr_lr));
+ DEFINE(KVM_VTTBR, offsetof(struct kvm, arch.vttbr));
+ DEFINE(KVM_VGIC_VCTRL, offsetof(struct kvm, arch.vgic.vctrl_base));
+#endif
return 0;
}
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index 5e06a1786e26..f5e55747242f 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -17,6 +17,19 @@ ENTRY(stext)
jiffies = jiffies_64;
+#define HYPERVISOR_TEXT \
+ /* \
+ * Force the alignment to be compatible with \
+ * the vectors requirements \
+ */ \
+ . = ALIGN(2048); \
+ VMLINUX_SYMBOL(__hyp_idmap_text_start) = .; \
+ *(.hyp.idmap.text) \
+ VMLINUX_SYMBOL(__hyp_idmap_text_end) = .; \
+ VMLINUX_SYMBOL(__hyp_text_start) = .; \
+ *(.hyp.text) \
+ VMLINUX_SYMBOL(__hyp_text_end) = .;
+
SECTIONS
{
/*
@@ -49,6 +62,7 @@ SECTIONS
TEXT_TEXT
SCHED_TEXT
LOCK_TEXT
+ HYPERVISOR_TEXT
*(.fixup)
*(.gnu.warning)
. = ALIGN(16);
@@ -116,3 +130,9 @@ SECTIONS
STABS_DEBUG
.comment 0 : { *(.comment) }
}
+
+/*
+ * The HYP init code can't be more than a page long.
+ */
+ASSERT(((__hyp_idmap_text_start + PAGE_SIZE) > __hyp_idmap_text_end),
+ "HYP init code too big")