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, 333 insertions, 0 deletions

diff --git a/target/i386/hvf/x86_flags.c b/target/i386/hvf/x86_flags.c
new file mode 100644
index 0000000000..c833774485
--- /dev/null
+++ b/target/i386/hvf/x86_flags.c
@@ -0,0 +1,333 @@
+/////////////////////////////////////////////////////////////////////////
+//
+//  Copyright (C) 2001-2012  The Bochs Project
+//  Copyright (C) 2017 Google Inc.
+//
+//  This library 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 library 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 library; if not, write to the Free Software
+//  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA B 02110-1301 USA
+/////////////////////////////////////////////////////////////////////////
+/*
+ * flags functions
+ */
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+
+#include "cpu.h"
+#include "x86_flags.h"
+#include "x86.h"
+
+void SET_FLAGS_OxxxxC(CPUX86State *env, uint32_t new_of, uint32_t new_cf)
+{
+    uint32_t temp_po = new_of ^ new_cf;
+    env->hvf_emul->lflags.auxbits &= ~(LF_MASK_PO | LF_MASK_CF);
+    env->hvf_emul->lflags.auxbits |= (temp_po << LF_BIT_PO) |
+                                     (new_cf << LF_BIT_CF);
+}
+
+void SET_FLAGS_OSZAPC_SUB32(CPUX86State *env, uint32_t v1, uint32_t v2,
+                            uint32_t diff)
+{
+    SET_FLAGS_OSZAPC_SUB_32(v1, v2, diff);
+}
+
+void SET_FLAGS_OSZAPC_SUB16(CPUX86State *env, uint16_t v1, uint16_t v2,
+                            uint16_t diff)
+{
+    SET_FLAGS_OSZAPC_SUB_16(v1, v2, diff);
+}
+
+void SET_FLAGS_OSZAPC_SUB8(CPUX86State *env, uint8_t v1, uint8_t v2,
+                            uint8_t diff)
+{
+    SET_FLAGS_OSZAPC_SUB_8(v1, v2, diff);
+}
+
+void SET_FLAGS_OSZAPC_ADD32(CPUX86State *env, uint32_t v1, uint32_t v2,
+                            uint32_t diff)
+{
+    SET_FLAGS_OSZAPC_ADD_32(v1, v2, diff);
+}
+
+void SET_FLAGS_OSZAPC_ADD16(CPUX86State *env, uint16_t v1, uint16_t v2,
+                            uint16_t diff)
+{
+    SET_FLAGS_OSZAPC_ADD_16(v1, v2, diff);
+}
+
+void SET_FLAGS_OSZAPC_ADD8(CPUX86State *env, uint8_t v1, uint8_t v2,
+                            uint8_t diff)
+{
+    SET_FLAGS_OSZAPC_ADD_8(v1, v2, diff);
+}
+
+void SET_FLAGS_OSZAP_SUB32(CPUX86State *env, uint32_t v1, uint32_t v2,
+                            uint32_t diff)
+{
+    SET_FLAGS_OSZAP_SUB_32(v1, v2, diff);
+}
+
+void SET_FLAGS_OSZAP_SUB16(CPUX86State *env, uint16_t v1, uint16_t v2,
+                            uint16_t diff)
+{
+    SET_FLAGS_OSZAP_SUB_16(v1, v2, diff);
+}
+
+void SET_FLAGS_OSZAP_SUB8(CPUX86State *env, uint8_t v1, uint8_t v2,
+                            uint8_t diff)
+{
+    SET_FLAGS_OSZAP_SUB_8(v1, v2, diff);
+}
+
+void SET_FLAGS_OSZAP_ADD32(CPUX86State *env, uint32_t v1, uint32_t v2,
+                            uint32_t diff)
+{
+    SET_FLAGS_OSZAP_ADD_32(v1, v2, diff);
+}
+
+void SET_FLAGS_OSZAP_ADD16(CPUX86State *env, uint16_t v1, uint16_t v2,
+                            uint16_t diff)
+{
+    SET_FLAGS_OSZAP_ADD_16(v1, v2, diff);
+}
+
+void SET_FLAGS_OSZAP_ADD8(CPUX86State *env, uint8_t v1, uint8_t v2,
+                            uint8_t diff)
+{
+    SET_FLAGS_OSZAP_ADD_8(v1, v2, diff);
+}
+
+
+void SET_FLAGS_OSZAPC_LOGIC32(CPUX86State *env, uint32_t diff)
+{
+    SET_FLAGS_OSZAPC_LOGIC_32(diff);
+}
+
+void SET_FLAGS_OSZAPC_LOGIC16(CPUX86State *env, uint16_t diff)
+{
+    SET_FLAGS_OSZAPC_LOGIC_16(diff);
+}
+
+void SET_FLAGS_OSZAPC_LOGIC8(CPUX86State *env, uint8_t diff)
+{
+    SET_FLAGS_OSZAPC_LOGIC_8(diff);
+}
+
+void SET_FLAGS_SHR32(CPUX86State *env, uint32_t v, int count, uint32_t res)
+{
+    int cf = (v >> (count - 1)) & 0x1;
+    int of = (((res << 1) ^ res) >> 31);
+
+    SET_FLAGS_OSZAPC_LOGIC_32(res);
+    SET_FLAGS_OxxxxC(env, of, cf);
+}
+
+void SET_FLAGS_SHR16(CPUX86State *env, uint16_t v, int count, uint16_t res)
+{
+    int cf = (v >> (count - 1)) & 0x1;
+    int of = (((res << 1) ^ res) >> 15);
+
+    SET_FLAGS_OSZAPC_LOGIC_16(res);
+    SET_FLAGS_OxxxxC(env, of, cf);
+}
+
+void SET_FLAGS_SHR8(CPUX86State *env, uint8_t v, int count, uint8_t res)
+{
+    int cf = (v >> (count - 1)) & 0x1;
+    int of = (((res << 1) ^ res) >> 7);
+
+    SET_FLAGS_OSZAPC_LOGIC_8(res);
+    SET_FLAGS_OxxxxC(env, of, cf);
+}
+
+void SET_FLAGS_SAR32(CPUX86State *env, int32_t v, int count, uint32_t res)
+{
+    int cf = (v >> (count - 1)) & 0x1;
+
+    SET_FLAGS_OSZAPC_LOGIC_32(res);
+    SET_FLAGS_OxxxxC(env, 0, cf);
+}
+
+void SET_FLAGS_SAR16(CPUX86State *env, int16_t v, int count, uint16_t res)
+{
+    int cf = (v >> (count - 1)) & 0x1;
+
+    SET_FLAGS_OSZAPC_LOGIC_16(res);
+    SET_FLAGS_OxxxxC(env, 0, cf);
+}
+
+void SET_FLAGS_SAR8(CPUX86State *env, int8_t v, int count, uint8_t res)
+{
+    int cf = (v >> (count - 1)) & 0x1;
+
+    SET_FLAGS_OSZAPC_LOGIC_8(res);
+    SET_FLAGS_OxxxxC(env, 0, cf);
+}
+
+
+void SET_FLAGS_SHL32(CPUX86State *env, uint32_t v, int count, uint32_t res)
+{
+    int of, cf;
+
+    cf = (v >> (32 - count)) & 0x1;
+    of = cf ^ (res >> 31);
+
+    SET_FLAGS_OSZAPC_LOGIC_32(res);
+    SET_FLAGS_OxxxxC(env, of, cf);
+}
+
+void SET_FLAGS_SHL16(CPUX86State *env, uint16_t v, int count, uint16_t res)
+{
+    int of = 0, cf = 0;
+
+    if (count <= 16) {
+        cf = (v >> (16 - count)) & 0x1;
+        of = cf ^ (res >> 15);
+    }
+
+    SET_FLAGS_OSZAPC_LOGIC_16(res);
+    SET_FLAGS_OxxxxC(env, of, cf);
+}
+
+void SET_FLAGS_SHL8(CPUX86State *env, uint8_t v, int count, uint8_t res)
+{
+    int of = 0, cf = 0;
+
+    if (count <= 8) {
+        cf = (v >> (8 - count)) & 0x1;
+        of = cf ^ (res >> 7);
+    }
+
+    SET_FLAGS_OSZAPC_LOGIC_8(res);
+    SET_FLAGS_OxxxxC(env, of, cf);
+}
+
+bool get_PF(CPUX86State *env)
+{
+    uint32_t temp = (255 & env->hvf_emul->lflags.result);
+    temp = temp ^ (255 & (env->hvf_emul->lflags.auxbits >> LF_BIT_PDB));
+    temp = (temp ^ (temp >> 4)) & 0x0F;
+    return (0x9669U >> temp) & 1;
+}
+
+void set_PF(CPUX86State *env, bool val)
+{
+    uint32_t temp = (255 & env->hvf_emul->lflags.result) ^ (!val);
+    env->hvf_emul->lflags.auxbits &= ~(LF_MASK_PDB);
+    env->hvf_emul->lflags.auxbits |= (temp << LF_BIT_PDB);
+}
+
+bool _get_OF(CPUX86State *env)
+{
+    return ((env->hvf_emul->lflags.auxbits + (1U << LF_BIT_PO)) >> LF_BIT_CF) & 1;
+}
+
+bool get_OF(CPUX86State *env)
+{
+    return _get_OF(env);
+}
+
+bool _get_CF(CPUX86State *env)
+{
+    return (env->hvf_emul->lflags.auxbits >> LF_BIT_CF) & 1;
+}
+
+bool get_CF(CPUX86State *env)
+{
+    return _get_CF(env);
+}
+
+void set_OF(CPUX86State *env, bool val)
+{
+    SET_FLAGS_OxxxxC(env, val, _get_CF(env));
+}
+
+void set_CF(CPUX86State *env, bool val)
+{
+    SET_FLAGS_OxxxxC(env, _get_OF(env), (val));
+}
+
+bool get_AF(CPUX86State *env)
+{
+    return (env->hvf_emul->lflags.auxbits >> LF_BIT_AF) & 1;
+}
+
+void set_AF(CPUX86State *env, bool val)
+{
+    env->hvf_emul->lflags.auxbits &= ~(LF_MASK_AF);
+    env->hvf_emul->lflags.auxbits |= (val) << LF_BIT_AF;
+}
+
+bool get_ZF(CPUX86State *env)
+{
+    return !env->hvf_emul->lflags.result;
+}
+
+void set_ZF(CPUX86State *env, bool val)
+{
+    if (val) {
+        env->hvf_emul->lflags.auxbits ^=
+         (((env->hvf_emul->lflags.result >> LF_SIGN_BIT) & 1) << LF_BIT_SD);
+        /* merge the parity bits into the Parity Delta Byte */
+        uint32_t temp_pdb = (255 & env->hvf_emul->lflags.result);
+        env->hvf_emul->lflags.auxbits ^= (temp_pdb << LF_BIT_PDB);
+        /* now zero the .result value */
+        env->hvf_emul->lflags.result = 0;
+    } else {
+        env->hvf_emul->lflags.result |= (1 << 8);
+    }
+}
+
+bool get_SF(CPUX86State *env)
+{
+    return ((env->hvf_emul->lflags.result >> LF_SIGN_BIT) ^
+            (env->hvf_emul->lflags.auxbits >> LF_BIT_SD)) & 1;
+}
+
+void set_SF(CPUX86State *env, bool val)
+{
+    bool temp_sf = get_SF(env);
+    env->hvf_emul->lflags.auxbits ^= (temp_sf ^ val) << LF_BIT_SD;
+}
+
+void set_OSZAPC(CPUX86State *env, uint32_t flags32)
+{
+    set_OF(env, env->hvf_emul->rflags.of);
+    set_SF(env, env->hvf_emul->rflags.sf);
+    set_ZF(env, env->hvf_emul->rflags.zf);
+    set_AF(env, env->hvf_emul->rflags.af);
+    set_PF(env, env->hvf_emul->rflags.pf);
+    set_CF(env, env->hvf_emul->rflags.cf);
+}
+
+void lflags_to_rflags(CPUX86State *env)
+{
+    env->hvf_emul->rflags.cf = get_CF(env);
+    env->hvf_emul->rflags.pf = get_PF(env);
+    env->hvf_emul->rflags.af = get_AF(env);
+    env->hvf_emul->rflags.zf = get_ZF(env);
+    env->hvf_emul->rflags.sf = get_SF(env);
+    env->hvf_emul->rflags.of = get_OF(env);
+}
+
+void rflags_to_lflags(CPUX86State *env)
+{
+    env->hvf_emul->lflags.auxbits = env->hvf_emul->lflags.result = 0;
+    set_OF(env, env->hvf_emul->rflags.of);
+    set_SF(env, env->hvf_emul->rflags.sf);
+    set_ZF(env, env->hvf_emul->rflags.zf);
+    set_AF(env, env->hvf_emul->rflags.af);
+    set_PF(env, env->hvf_emul->rflags.pf);
+    set_CF(env, env->hvf_emul->rflags.cf);
+}