xref: /qemu/target/hppa/cpu-param.h (revision 4abc8923)
1 /*
2  * PA-RISC cpu parameters for qemu.
3  *
4  * Copyright (c) 2016 Richard Henderson <rth@twiddle.net>
5  * SPDX-License-Identifier: LGPL-2.0+
6  */
7 
8 #ifndef HPPA_CPU_PARAM_H
9 #define HPPA_CPU_PARAM_H
10 
11 #define TARGET_LONG_BITS              64
12 
13 #if defined(CONFIG_USER_ONLY) && defined(TARGET_ABI32)
14 # define TARGET_PHYS_ADDR_SPACE_BITS  32
15 # define TARGET_VIRT_ADDR_SPACE_BITS  32
16 #else
17 /* ??? PA-8000 through 8600 have 40 bits; PA-8700 and 8900 have 44 bits. */
18 # define TARGET_PHYS_ADDR_SPACE_BITS  40
19 # define TARGET_VIRT_ADDR_SPACE_BITS  64
20 #endif
21 
22 #define TARGET_PAGE_BITS 12
23 
24 /* PA-RISC 1.x processors have a strong memory model.  */
25 /*
26  * ??? While we do not yet implement PA-RISC 2.0, those processors have
27  * a weak memory model, but with TLB bits that force ordering on a per-page
28  * basis.  It's probably easier to fall back to a strong memory model.
29  */
30 #define TCG_GUEST_DEFAULT_MO        TCG_MO_ALL
31 
32 #endif
33