i386: hvf: move all hvf files in the same directory

Just call it hvf/, no need for the "utils" suffix.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 184 insertions, 0 deletions

diff --git a/target/i386/hvf/x86.c b/target/i386/hvf/x86.c
new file mode 100644
index 0000000..625ea6c
--- /dev/null
+++ b/target/i386/hvf/x86.c
@@ -0,0 +1,184 @@
+/*
+ * Copyright (C) 2016 Veertu Inc,
+ * Copyright (C) 2017 Google Inc,
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "qemu/osdep.h"
+
+#include "qemu-common.h"
+#include "x86_decode.h"
+#include "x86_emu.h"
+#include "vmcs.h"
+#include "vmx.h"
+#include "x86_mmu.h"
+#include "x86_descr.h"
+
+/* static uint32_t x86_segment_access_rights(struct x86_segment_descriptor *var)
+{
+   uint32_t ar;
+
+   if (!var->p) {
+       ar = 1 << 16;
+       return ar;
+   }
+
+   ar = var->type & 15;
+   ar |= (var->s & 1) << 4;
+   ar |= (var->dpl & 3) << 5;
+   ar |= (var->p & 1) << 7;
+   ar |= (var->avl & 1) << 12;
+   ar |= (var->l & 1) << 13;
+   ar |= (var->db & 1) << 14;
+   ar |= (var->g & 1) << 15;
+   return ar;
+}*/
+
+bool x86_read_segment_descriptor(struct CPUState *cpu,
+                                 struct x86_segment_descriptor *desc,
+                                 x68_segment_selector sel)
+{
+    addr_t base;
+    uint32_t limit;
+
+    ZERO_INIT(*desc);
+    /* valid gdt descriptors start from index 1 */
+    if (!sel.index && GDT_SEL == sel.ti) {
+        return false;
+    }
+
+    if (GDT_SEL == sel.ti) {
+        base  = rvmcs(cpu->hvf_fd, VMCS_GUEST_GDTR_BASE);
+        limit = rvmcs(cpu->hvf_fd, VMCS_GUEST_GDTR_LIMIT);
+    } else {
+        base  = rvmcs(cpu->hvf_fd, VMCS_GUEST_LDTR_BASE);
+        limit = rvmcs(cpu->hvf_fd, VMCS_GUEST_LDTR_LIMIT);
+    }
+
+    if (sel.index * 8 >= limit) {
+        return false;
+    }
+
+    vmx_read_mem(cpu, desc, base + sel.index * 8, sizeof(*desc));
+    return true;
+}
+
+bool x86_write_segment_descriptor(struct CPUState *cpu,
+                                  struct x86_segment_descriptor *desc,
+                                  x68_segment_selector sel)
+{
+    addr_t base;
+    uint32_t limit;
+    
+    if (GDT_SEL == sel.ti) {
+        base  = rvmcs(cpu->hvf_fd, VMCS_GUEST_GDTR_BASE);
+        limit = rvmcs(cpu->hvf_fd, VMCS_GUEST_GDTR_LIMIT);
+    } else {
+        base  = rvmcs(cpu->hvf_fd, VMCS_GUEST_LDTR_BASE);
+        limit = rvmcs(cpu->hvf_fd, VMCS_GUEST_LDTR_LIMIT);
+    }
+    
+    if (sel.index * 8 >= limit) {
+        printf("%s: gdt limit\n", __func__);
+        return false;
+    }
+    vmx_write_mem(cpu, base + sel.index * 8, desc, sizeof(*desc));
+    return true;
+}
+
+bool x86_read_call_gate(struct CPUState *cpu, struct x86_call_gate *idt_desc,
+                        int gate)
+{
+    addr_t base  = rvmcs(cpu->hvf_fd, VMCS_GUEST_IDTR_BASE);
+    uint32_t limit = rvmcs(cpu->hvf_fd, VMCS_GUEST_IDTR_LIMIT);
+
+    ZERO_INIT(*idt_desc);
+    if (gate * 8 >= limit) {
+        printf("%s: idt limit\n", __func__);
+        return false;
+    }
+
+    vmx_read_mem(cpu, idt_desc, base + gate * 8, sizeof(*idt_desc));
+    return true;
+}
+
+bool x86_is_protected(struct CPUState *cpu)
+{
+    uint64_t cr0 = rvmcs(cpu->hvf_fd, VMCS_GUEST_CR0);
+    return cr0 & CR0_PE;
+}
+
+bool x86_is_real(struct CPUState *cpu)
+{
+    return !x86_is_protected(cpu);
+}
+
+bool x86_is_v8086(struct CPUState *cpu)
+{
+    X86CPU *x86_cpu = X86_CPU(cpu);
+    CPUX86State *env = &x86_cpu->env;
+    return x86_is_protected(cpu) && (RFLAGS(env) & RFLAGS_VM);
+}
+
+bool x86_is_long_mode(struct CPUState *cpu)
+{
+    return rvmcs(cpu->hvf_fd, VMCS_GUEST_IA32_EFER) & EFER_LMA;
+}
+
+bool x86_is_long64_mode(struct CPUState *cpu)
+{
+    struct vmx_segment desc;
+    vmx_read_segment_descriptor(cpu, &desc, REG_SEG_CS);
+
+    return x86_is_long_mode(cpu) && ((desc.ar >> 13) & 1);
+}
+
+bool x86_is_paging_mode(struct CPUState *cpu)
+{
+    uint64_t cr0 = rvmcs(cpu->hvf_fd, VMCS_GUEST_CR0);
+    return cr0 & CR0_PG;
+}
+
+bool x86_is_pae_enabled(struct CPUState *cpu)
+{
+    uint64_t cr4 = rvmcs(cpu->hvf_fd, VMCS_GUEST_CR4);
+    return cr4 & CR4_PAE;
+}
+
+addr_t linear_addr(struct CPUState *cpu, addr_t addr, x86_reg_segment seg)
+{
+    return vmx_read_segment_base(cpu, seg) + addr;
+}
+
+addr_t linear_addr_size(struct CPUState *cpu, addr_t addr, int size,
+                        x86_reg_segment seg)
+{
+    switch (size) {
+    case 2:
+        addr = (uint16_t)addr;
+        break;
+    case 4:
+        addr = (uint32_t)addr;
+        break;
+    default:
+        break;
+    }
+    return linear_addr(cpu, addr, seg);
+}
+
+addr_t linear_rip(struct CPUState *cpu, addr_t rip)
+{
+    return linear_addr(cpu, rip, REG_SEG_CS);
+}