Author: grehan Date: Sun Mar 11 08:27:11 2018 New Revision: 330764 URL: https://svnweb.freebsd.org/changeset/base/330764
Log: Add CR2 get/set support. Reported/Tested by: Fabian Freyer Reviewed by: araujo Differential Revision: https://reviews.freebsd.org/D14648 MFC after: 3 weeks Modified: head/usr.sbin/bhyvectl/bhyvectl.c Modified: head/usr.sbin/bhyvectl/bhyvectl.c ============================================================================== --- head/usr.sbin/bhyvectl/bhyvectl.c Sun Mar 11 08:07:40 2018 (r330763) +++ head/usr.sbin/bhyvectl/bhyvectl.c Sun Mar 11 08:27:11 2018 (r330764) @@ -109,6 +109,8 @@ usage(bool cpu_intel) " [--desc-access=<ACCESS>]\n" " [--set-cr0=<CR0>]\n" " [--get-cr0]\n" + " [--set-cr2=<CR2>]\n" + " [--get-cr2]\n" " [--set-cr3=<CR3>]\n" " [--get-cr3]\n" " [--set-cr4=<CR4>]\n" @@ -254,7 +256,8 @@ static int create, destroy, get_memmap, get_memseg; static int get_intinfo; static int get_active_cpus, get_suspended_cpus; static uint64_t memsize; -static int set_cr0, get_cr0, set_cr3, get_cr3, set_cr4, get_cr4; +static int set_cr0, get_cr0, set_cr2, get_cr2, set_cr3, get_cr3; +static int set_cr4, get_cr4; static int set_efer, get_efer; static int set_dr0, get_dr0; static int set_dr1, get_dr1; @@ -551,6 +554,7 @@ enum { SET_MEM, SET_EFER, SET_CR0, + SET_CR2, SET_CR3, SET_CR4, SET_DR0, @@ -662,7 +666,7 @@ cpu_vendor_intel(void) static int get_all_registers(struct vmctx *ctx, int vcpu) { - uint64_t cr0, cr3, cr4, dr0, dr1, dr2, dr3, dr6, dr7; + uint64_t cr0, cr2, cr3, cr4, dr0, dr1, dr2, dr3, dr6, dr7; uint64_t rsp, rip, rflags, efer; uint64_t rax, rbx, rcx, rdx, rsi, rdi, rbp; uint64_t r8, r9, r10, r11, r12, r13, r14, r15; @@ -680,6 +684,12 @@ get_all_registers(struct vmctx *ctx, int vcpu) printf("cr0[%d]\t\t0x%016lx\n", vcpu, cr0); } + if (!error && (get_cr2 || get_all)) { + error = vm_get_register(ctx, vcpu, VM_REG_GUEST_CR2, &cr2); + if (error == 0) + printf("cr2[%d]\t\t0x%016lx\n", vcpu, cr2); + } + if (!error && (get_cr3 || get_all)) { error = vm_get_register(ctx, vcpu, VM_REG_GUEST_CR3, &cr3); if (error == 0) @@ -1322,6 +1332,7 @@ setup_options(bool cpu_intel) { "set-mem", REQ_ARG, 0, SET_MEM }, { "set-efer", REQ_ARG, 0, SET_EFER }, { "set-cr0", REQ_ARG, 0, SET_CR0 }, + { "set-cr2", REQ_ARG, 0, SET_CR2 }, { "set-cr3", REQ_ARG, 0, SET_CR3 }, { "set-cr4", REQ_ARG, 0, SET_CR4 }, { "set-dr0", REQ_ARG, 0, SET_DR0 }, @@ -1384,6 +1395,7 @@ setup_options(bool cpu_intel) { "get-memseg", NO_ARG, &get_memseg, 1 }, { "get-efer", NO_ARG, &get_efer, 1 }, { "get-cr0", NO_ARG, &get_cr0, 1 }, + { "get-cr2", NO_ARG, &get_cr2, 1 }, { "get-cr3", NO_ARG, &get_cr3, 1 }, { "get-cr4", NO_ARG, &get_cr4, 1 }, { "get-dr0", NO_ARG, &get_dr0, 1 }, @@ -1668,7 +1680,7 @@ main(int argc, char *argv[]) int error, ch, vcpu, ptenum; vm_paddr_t gpa_pmap; struct vm_exit vmexit; - uint64_t rax, cr0, cr3, cr4, dr0, dr1, dr2, dr3, dr6, dr7; + uint64_t rax, cr0, cr2, cr3, cr4, dr0, dr1, dr2, dr3, dr6, dr7; uint64_t rsp, rip, rflags, efer, pat; uint64_t eptp, bm, addr, u64, pteval[4], *pte, info[2]; struct vmctx *ctx; @@ -1708,6 +1720,10 @@ main(int argc, char *argv[]) cr0 = strtoul(optarg, NULL, 0); set_cr0 = 1; break; + case SET_CR2: + cr2 = strtoul(optarg, NULL, 0); + set_cr2 = 1; + break; case SET_CR3: cr3 = strtoul(optarg, NULL, 0); set_cr3 = 1; @@ -1870,6 +1886,9 @@ main(int argc, char *argv[]) if (!error && set_cr0) error = vm_set_register(ctx, vcpu, VM_REG_GUEST_CR0, cr0); + + if (!error && set_cr2) + error = vm_set_register(ctx, vcpu, VM_REG_GUEST_CR2, cr2); if (!error && set_cr3) error = vm_set_register(ctx, vcpu, VM_REG_GUEST_CR3, cr3); _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
