| /* |
| * 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 |
| |
| #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 |
