/* * MicroBlaze cpu parameters for qemu. * * Copyright (c) 2009 Edgar E. Iglesias * SPDX-License-Identifier: LGPL-2.0-or-later */ #ifndef MICROBLAZE_CPU_PARAM_H #define MICROBLAZE_CPU_PARAM_H /* * While system mode can address up to 64 bits of address space, * this is done via the lea/sea instructions, which are system-only * (as they also bypass the mmu). * * We can improve the user-only experience by only exposing 32 bits * of address space. */ #ifdef CONFIG_USER_ONLY #define TARGET_LONG_BITS 32 #define TARGET_PHYS_ADDR_SPACE_BITS 32 #define TARGET_VIRT_ADDR_SPACE_BITS 32 #else #define TARGET_LONG_BITS 64 #define TARGET_PHYS_ADDR_SPACE_BITS 64 #define TARGET_VIRT_ADDR_SPACE_BITS 64 #endif /* FIXME: MB uses variable pages down to 1K but linux only uses 4k. */ #define TARGET_PAGE_BITS 12 /* MicroBlaze is always in-order. */ #define TCG_GUEST_DEFAULT_MO TCG_MO_ALL #endif