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| author | Richard Henderson <richard.henderson@linaro.org> | 2019-03-22 11:51:19 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2019-06-10 07:03:34 -0700 |
| commit | 74433bf083b0766aba81534f92de13194f23ff3e (patch) | |
| tree | 9c0c63e1d1874a47395bda07f61f160fb611c0e4 /target/alpha | |
| parent | 79e4208506651660b866f536616a5f8f3175f909 (diff) | |
| download | qemu-74433bf083b0766aba81534f92de13194f23ff3e.zip qemu-74433bf083b0766aba81534f92de13194f23ff3e.tar.gz qemu-74433bf083b0766aba81534f92de13194f23ff3e.tar.bz2 | |
tcg: Split out target/arch/cpu-param.h
For all targets, into this new file move TARGET_LONG_BITS,
TARGET_PAGE_BITS, TARGET_PHYS_ADDR_SPACE_BITS,
TARGET_VIRT_ADDR_SPACE_BITS, and NB_MMU_MODES.
Include this new file from exec/cpu-defs.h.
This now removes the somewhat odd requirement that target/arch/cpu.h
defines TARGET_LONG_BITS before including exec/cpu-defs.h, so push the
bulk of the includes within target/arch/cpu.h to the top.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/alpha')
| -rw-r--r-- | target/alpha/cpu-param.h | 31 | ||||
| -rw-r--r-- | target/alpha/cpu.h | 23 |
2 files changed, 32 insertions, 22 deletions
diff --git a/target/alpha/cpu-param.h b/target/alpha/cpu-param.h new file mode 100644 index 0000000..692aee2 --- /dev/null +++ b/target/alpha/cpu-param.h @@ -0,0 +1,31 @@ +/* + * Alpha cpu parameters for qemu. + * + * Copyright (c) 2007 Jocelyn Mayer + * SPDX-License-Identifier: LGPL-2.0+ + */ + +#ifndef ALPHA_CPU_PARAM_H +#define ALPHA_CPU_PARAM_H 1 + +#define TARGET_LONG_BITS 64 +#define TARGET_PAGE_BITS 13 +#ifdef CONFIG_USER_ONLY +/* + * ??? The kernel likes to give addresses in high memory. If the host has + * more virtual address space than the guest, this can lead to impossible + * allocations. Honor the long-standing assumption that only kernel addrs + * are negative, but otherwise allow allocations anywhere. This could lead + * to tricky emulation problems for programs doing tagged addressing, but + * that's far fewer than encounter the impossible allocation problem. + */ +#define TARGET_PHYS_ADDR_SPACE_BITS 63 +#define TARGET_VIRT_ADDR_SPACE_BITS 63 +#else +/* ??? EV4 has 34 phys addr bits, EV5 has 40, EV6 has 44. */ +#define TARGET_PHYS_ADDR_SPACE_BITS 44 +#define TARGET_VIRT_ADDR_SPACE_BITS (30 + TARGET_PAGE_BITS) +#endif +#define NB_MMU_MODES 3 + +#endif diff --git a/target/alpha/cpu.h b/target/alpha/cpu.h index ba6bc31..dc1883f 100644 --- a/target/alpha/cpu.h +++ b/target/alpha/cpu.h @@ -22,8 +22,8 @@ #include "qemu-common.h" #include "cpu-qom.h" +#include "exec/cpu-defs.h" -#define TARGET_LONG_BITS 64 #define ALIGNED_ONLY #define CPUArchState struct CPUAlphaState @@ -31,28 +31,9 @@ /* Alpha processors have a weak memory model */ #define TCG_GUEST_DEFAULT_MO (0) -#include "exec/cpu-defs.h" - #define ICACHE_LINE_SIZE 32 #define DCACHE_LINE_SIZE 32 -#define TARGET_PAGE_BITS 13 - -#ifdef CONFIG_USER_ONLY -/* ??? The kernel likes to give addresses in high memory. If the host has - more virtual address space than the guest, this can lead to impossible - allocations. Honor the long-standing assumption that only kernel addrs - are negative, but otherwise allow allocations anywhere. This could lead - to tricky emulation problems for programs doing tagged addressing, but - that's far fewer than encounter the impossible allocation problem. */ -#define TARGET_PHYS_ADDR_SPACE_BITS 63 -#define TARGET_VIRT_ADDR_SPACE_BITS 63 -#else -/* ??? EV4 has 34 phys addr bits, EV5 has 40, EV6 has 44. */ -#define TARGET_PHYS_ADDR_SPACE_BITS 44 -#define TARGET_VIRT_ADDR_SPACE_BITS (30 + TARGET_PAGE_BITS) -#endif - /* Alpha major type */ enum { ALPHA_EV3 = 1, @@ -217,8 +198,6 @@ enum { PALcode cheats and usees the KSEG mapping for its code+data rather than physical addresses. */ -#define NB_MMU_MODES 3 - #define MMU_MODE0_SUFFIX _kernel #define MMU_MODE1_SUFFIX _user #define MMU_KERNEL_IDX 0 |