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-rw-r--r--target/i386/cpu-param.h28
1 files changed, 28 insertions, 0 deletions
diff --git a/target/i386/cpu-param.h b/target/i386/cpu-param.h
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+/*
+ * i386 cpu parameters for qemu.
+ *
+ * Copyright (c) 2003 Fabrice Bellard
+ * SPDX-License-Identifier: LGPL-2.0+
+ */
+
+#ifndef I386_CPU_PARAM_H
+#define I386_CPU_PARAM_H 1
+
+#ifdef TARGET_X86_64
+# define TARGET_LONG_BITS 64
+# define TARGET_PHYS_ADDR_SPACE_BITS 52
+/*
+ * ??? This is really 48 bits, sign-extended, but the only thing
+ * accessible to userland with bit 48 set is the VSYSCALL, and that
+ * is handled via other mechanisms.
+ */
+# define TARGET_VIRT_ADDR_SPACE_BITS 47
+#else
+# define TARGET_LONG_BITS 32
+# define TARGET_PHYS_ADDR_SPACE_BITS 36
+# define TARGET_VIRT_ADDR_SPACE_BITS 32
+#endif
+#define TARGET_PAGE_BITS 12
+#define NB_MMU_MODES 3
+
+#endif