| 1 | /* |
| 2 | * i386 cpu parameters for qemu. |
| 3 | * |
| 4 | * Copyright (c) 2003 Fabrice Bellard |
| 5 | * SPDX-License-Identifier: LGPL-2.0-or-later |
| 6 | */ |
| 7 | |
| 8 | #ifndef I386_CPU_PARAM_H |
| 9 | #define I386_CPU_PARAM_H |
| 10 | |
| 11 | #ifdef TARGET_X86_64 |
| 12 | /* |
| 13 | * ??? This is really 48 bits, sign-extended, but the only thing |
| 14 | * accessible to userland with bit 48 set is the VSYSCALL, and that |
| 15 | * is handled via other mechanisms. |
| 16 | */ |
| 17 | # define TARGET_VIRT_ADDR_SPACE_BITS 47 |
| 18 | #else |
| 19 | # define TARGET_VIRT_ADDR_SPACE_BITS 32 |
| 20 | #endif |
| 21 | #define TARGET_PAGE_BITS 12 |
| 22 | |
| 23 | #endif |