kvm_handle_guest_serror(vcpu, kvm_vcpu_get_esr(vcpu));
}
-void __noreturn __cold nvhe_hyp_panic_handler(u64 esr, u64 spsr, u64 elr,
+void __noreturn __cold nvhe_hyp_panic_handler(u64 esr, u64 spsr,
+ u64 elr_virt, u64 elr_phys,
u64 par, uintptr_t vcpu,
u64 far, u64 hpfar) {
- u64 elr_in_kimg = __phys_to_kimg(__hyp_pa(elr));
- u64 hyp_offset = elr_in_kimg - kaslr_offset() - elr;
+ u64 elr_in_kimg = __phys_to_kimg(elr_phys);
+ u64 hyp_offset = elr_in_kimg - kaslr_offset() - elr_virt;
u64 mode = spsr & PSR_MODE_MASK;
/*
kvm_err("Invalid host exception to nVHE hyp!\n");
} else if (ESR_ELx_EC(esr) == ESR_ELx_EC_BRK64 &&
(esr & ESR_ELx_BRK64_ISS_COMMENT_MASK) == BUG_BRK_IMM) {
- struct bug_entry *bug = find_bug(elr_in_kimg);
const char *file = NULL;
unsigned int line = 0;
/* All hyp bugs, including warnings, are treated as fatal. */
- if (bug)
- bug_get_file_line(bug, &file, &line);
+ if (!is_protected_kvm_enabled() ||
+ IS_ENABLED(CONFIG_NVHE_EL2_DEBUG)) {
+ struct bug_entry *bug = find_bug(elr_in_kimg);
+
+ if (bug)
+ bug_get_file_line(bug, &file, &line);
+ }
if (file)
kvm_err("nVHE hyp BUG at: %s:%u!\n", file, line);
else
- kvm_err("nVHE hyp BUG at: %016llx!\n", elr + hyp_offset);
+ kvm_err("nVHE hyp BUG at: %016llx!\n", elr_virt + hyp_offset);
} else {
- kvm_err("nVHE hyp panic at: %016llx!\n", elr + hyp_offset);
+ kvm_err("nVHE hyp panic at: %016llx!\n", elr_virt + hyp_offset);
}
/*
kvm_err("Hyp Offset: 0x%llx\n", hyp_offset);
panic("HYP panic:\nPS:%08llx PC:%016llx ESR:%08llx\nFAR:%016llx HPFAR:%016llx PAR:%016llx\nVCPU:%016lx\n",
- spsr, elr, esr, far, hpfar, par, vcpu);
+ spsr, elr_virt, esr, far, hpfar, par, vcpu);
}
#include <linux/linkage.h>
#include <asm/assembler.h>
+#include <asm/kvm_arm.h>
#include <asm/kvm_asm.h>
#include <asm/kvm_mmu.h>
mov x29, x0
+#ifdef CONFIG_NVHE_EL2_DEBUG
+ /* Ensure host stage-2 is disabled */
+ mrs x0, hcr_el2
+ bic x0, x0, #HCR_VM
+ msr hcr_el2, x0
+ isb
+ tlbi vmalls12e1
+ dsb nsh
+#endif
+
/* Load the panic arguments into x0-7 */
mrs x0, esr_el2
- get_vcpu_ptr x4, x5
- mrs x5, far_el2
- mrs x6, hpfar_el2
- mov x7, xzr // Unused argument
+ mov x4, x3
+ mov x3, x2
+ hyp_pa x3, x6
+ get_vcpu_ptr x5, x6
+ mrs x6, far_el2
+ mrs x7, hpfar_el2
/* Enter the host, conditionally restoring the host context. */
cbz x29, __host_enter_without_restoring