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| author | Mitchell Riedstra <mitch@riedstra.dev> | 2025-12-24 19:49:57 -0500 |
|---|---|---|
| committer | Mitchell Riedstra <mitch@riedstra.dev> | 2025-12-24 19:49:57 -0500 |
| commit | 939ac4319cb047a37ba46f84eff81948063f6954 (patch) | |
| tree | 5112cf8aad73125a13f5b52c0290a7f26f948b52 /jslinux-2019-12-21/tinyemu-2019-12-21/x86_cpu.h | |
| parent | 3a1b5ba15b89c907f9bf66a0761ffdd73b32208b (diff) | |
| download | unixv4-939ac4319cb047a37ba46f84eff81948063f6954.tar.gz unixv4-939ac4319cb047a37ba46f84eff81948063f6954.tar.xz | |
Add working webpage for unix v4
Diffstat (limited to 'jslinux-2019-12-21/tinyemu-2019-12-21/x86_cpu.h')
| -rw-r--r-- | jslinux-2019-12-21/tinyemu-2019-12-21/x86_cpu.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/jslinux-2019-12-21/tinyemu-2019-12-21/x86_cpu.h b/jslinux-2019-12-21/tinyemu-2019-12-21/x86_cpu.h new file mode 100644 index 0000000..254f7f5 --- /dev/null +++ b/jslinux-2019-12-21/tinyemu-2019-12-21/x86_cpu.h @@ -0,0 +1,70 @@ +/* + * x86 CPU emulator + * + * Copyright (c) 2011-2017 Fabrice Bellard + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include "iomem.h" + +typedef struct X86CPUState X86CPUState; + +/* get_reg/set_reg additional constants */ +#define X86_CPU_REG_EIP 8 +#define X86_CPU_REG_CR0 9 +#define X86_CPU_REG_CR2 10 + +#define X86_CPU_SEG_ES 0 +#define X86_CPU_SEG_CS 1 +#define X86_CPU_SEG_SS 2 +#define X86_CPU_SEG_DS 3 +#define X86_CPU_SEG_FS 4 +#define X86_CPU_SEG_GS 5 +#define X86_CPU_SEG_LDT 6 +#define X86_CPU_SEG_TR 7 +#define X86_CPU_SEG_GDT 8 +#define X86_CPU_SEG_IDT 9 + +typedef struct { + uint16_t sel; + uint16_t flags; + uint32_t base; + uint32_t limit; +} X86CPUSeg; + +X86CPUState *x86_cpu_init(PhysMemoryMap *mem_map); +void x86_cpu_end(X86CPUState *s); +void x86_cpu_interp(X86CPUState *s, int max_cycles1); +void x86_cpu_set_irq(X86CPUState *s, BOOL set); +void x86_cpu_set_reg(X86CPUState *s, int reg, uint32_t val); +uint32_t x86_cpu_get_reg(X86CPUState *s, int reg); +void x86_cpu_set_seg(X86CPUState *s, int seg, const X86CPUSeg *sd); +void x86_cpu_set_get_hard_intno(X86CPUState *s, + int (*get_hard_intno)(void *opaque), + void *opaque); +void x86_cpu_set_get_tsc(X86CPUState *s, + uint64_t (*get_tsc)(void *opaque), + void *opaque); +void x86_cpu_set_port_io(X86CPUState *s, + DeviceReadFunc *port_read, DeviceWriteFunc *port_write, + void *opaque); +int64_t x86_cpu_get_cycles(X86CPUState *s); +BOOL x86_cpu_get_power_down(X86CPUState *s); +void x86_cpu_flush_tlb_write_range_ram(X86CPUState *s, + uint8_t *ram_ptr, size_t ram_size); |
