| vmcb.c (271152) | vmcb.c (271203) |
|---|---|
| 1/*- 2 * Copyright (c) 2013 Anish Gupta (akgupt3@gmail.com) 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2013 Anish Gupta (akgupt3@gmail.com) 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
| 28__FBSDID("$FreeBSD: projects/bhyve_svm/sys/amd64/vmm/amd/vmcb.c 271152 2014-09-05 03:33:16Z neel $"); | 28__FBSDID("$FreeBSD: projects/bhyve_svm/sys/amd64/vmm/amd/vmcb.c 271203 2014-09-06 19:02:52Z neel $"); |
| 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/cpuset.h> 33 34#include <machine/segments.h> 35#include <machine/specialreg.h> 36#include <machine/vmm.h> --- 9 unchanged lines hidden (view full) --- 46 * - instructions or events in the guest to intercept 47 * - control bits that modify execution environment of the guest 48 * - guest processor state (e.g. general purpose registers) 49 */ 50 51/* 52 * Initialize SVM h/w context i.e. the VMCB control and saved state areas. 53 */ | 29 30#include <sys/param.h> 31#include <sys/systm.h> 32#include <sys/cpuset.h> 33 34#include <machine/segments.h> 35#include <machine/specialreg.h> 36#include <machine/vmm.h> --- 9 unchanged lines hidden (view full) --- 46 * - instructions or events in the guest to intercept 47 * - control bits that modify execution environment of the guest 48 * - guest processor state (e.g. general purpose registers) 49 */ 50 51/* 52 * Initialize SVM h/w context i.e. the VMCB control and saved state areas. 53 */ |
| 54int | 54void |
| 55svm_init_vmcb(struct vmcb *vmcb, uint64_t iopm_base_pa, uint64_t msrpm_base_pa, | 55svm_init_vmcb(struct vmcb *vmcb, uint64_t iopm_base_pa, uint64_t msrpm_base_pa, |
| 56 uint64_t np_pml4, uint32_t asid) | 56 uint64_t np_pml4) |
| 57{ 58 struct vmcb_ctrl *ctrl; 59 struct vmcb_state *state; 60 uint16_t cr_shadow; 61 62 ctrl = &vmcb->ctrl; 63 state = &vmcb->state; 64 --- 28 unchanged lines hidden (view full) --- 93 VMCB_INTCPT_SHUTDOWN; 94 95 /* 96 * From section "Canonicalization and Consistency Checks" in APMv2 97 * the VMRUN intercept bit must be set to pass the consistency check. 98 */ 99 ctrl->ctrl2 = VMCB_INTCPT_VMRUN; 100 | 57{ 58 struct vmcb_ctrl *ctrl; 59 struct vmcb_state *state; 60 uint16_t cr_shadow; 61 62 ctrl = &vmcb->ctrl; 63 state = &vmcb->state; 64 --- 28 unchanged lines hidden (view full) --- 93 VMCB_INTCPT_SHUTDOWN; 94 95 /* 96 * From section "Canonicalization and Consistency Checks" in APMv2 97 * the VMRUN intercept bit must be set to pass the consistency check. 98 */ 99 ctrl->ctrl2 = VMCB_INTCPT_VMRUN; 100 |
| 101 ctrl->asid = asid; | 101 /* 102 * The ASID will be set to a non-zero value just before VMRUN. 103 */ 104 ctrl->asid = 0; |
| 102 103 /* 104 * Section 15.21.1, Interrupt Masking in EFLAGS 105 * Section 15.21.2, Virtualizing APIC.TPR 106 * 107 * This must be set for %rflag and %cr8 isolation of guest and host. 108 */ 109 ctrl->v_intr_masking = 1; --- 9 unchanged lines hidden (view full) --- 119 state->g_pat = PAT_VALUE(0, PAT_WRITE_BACK) | 120 PAT_VALUE(1, PAT_WRITE_THROUGH) | 121 PAT_VALUE(2, PAT_UNCACHED) | 122 PAT_VALUE(3, PAT_UNCACHEABLE) | 123 PAT_VALUE(4, PAT_WRITE_BACK) | 124 PAT_VALUE(5, PAT_WRITE_THROUGH) | 125 PAT_VALUE(6, PAT_UNCACHED) | 126 PAT_VALUE(7, PAT_UNCACHEABLE); | 105 106 /* 107 * Section 15.21.1, Interrupt Masking in EFLAGS 108 * Section 15.21.2, Virtualizing APIC.TPR 109 * 110 * This must be set for %rflag and %cr8 isolation of guest and host. 111 */ 112 ctrl->v_intr_masking = 1; --- 9 unchanged lines hidden (view full) --- 122 state->g_pat = PAT_VALUE(0, PAT_WRITE_BACK) | 123 PAT_VALUE(1, PAT_WRITE_THROUGH) | 124 PAT_VALUE(2, PAT_UNCACHED) | 125 PAT_VALUE(3, PAT_UNCACHEABLE) | 126 PAT_VALUE(4, PAT_WRITE_BACK) | 127 PAT_VALUE(5, PAT_WRITE_THROUGH) | 128 PAT_VALUE(6, PAT_UNCACHED) | 129 PAT_VALUE(7, PAT_UNCACHEABLE); |
| 127 128 return (0); | |
| 129} 130 131/* 132 * Read from segment selector, control and general purpose register of VMCB. 133 */ 134int 135vmcb_read(struct vmcb *vmcb, int ident, uint64_t *retval) 136{ --- 250 unchanged lines hidden --- | 130} 131 132/* 133 * Read from segment selector, control and general purpose register of VMCB. 134 */ 135int 136vmcb_read(struct vmcb *vmcb, int ident, uint64_t *retval) 137{ --- 250 unchanged lines hidden --- |