111 lines
2.1 KiB
C
111 lines
2.1 KiB
C
// The OS/K Team licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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#ifndef _ARCH_H
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#define _ARCH_H
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//#define NDEBUG 1
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#define dev_t stddev_t
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <setjmp.h>
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#include <assert.h>
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#include <stdarg.h>
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#include <limits.h>
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#undef dev_t
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#define static_assert _Static_assert
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#define alignof _Alignof
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typedef unsigned int bool;
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typedef unsigned char uchar;
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typedef unsigned short ushort;
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typedef unsigned int uint;
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typedef unsigned long ulong;
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typedef struct reg_t reg_t;
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typedef struct ctx_t ctx_t;
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typedef struct instr_t instr_t;
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typedef struct acc_t acc_t;
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typedef struct arch_t arch_t;
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typedef struct dev_t dev_t;
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void logerr(const char *, ...);
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void vlog(const char *, va_list);
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// void trace(const char *, ...);
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#define trace printf
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#define KARCH_MAJOR 0
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#define KARCH_MINOR 1
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#define KARCH_REVIS 0
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struct ctx_t
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{
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// Array of NREGS ulong's
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ulong *rf;
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// Register (names & types) table
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reg_t *r;
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// Instruction table
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instr_t *i;
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// Instruction currently executing
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instr_t *cur_in;
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// Starting address of instruction currently executing
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ulong cur_pc;
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// Memory and memory size
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uchar *mp;
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ulong mz;
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// Devices list head
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dev_t *dh;
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// Instructions executed
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ulong ninstrs; // totally
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ulong ni_thisfr; // this frame
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// Dumpinstr switch
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bool dumpsw;
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};
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#define ctx (&main_ctx)
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extern ctx_t main_ctx;
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#define R(X) ctx->rf[X]
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void die(int code) __attribute__((__noreturn__));
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void dumpregs(void);
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void dumpinstr(ulong, uint, ushort, acc_t *, acc_t *);
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void dumpmem(ulong, ulong);
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void decode(void);
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void enable_stdin_echoing(void);
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void disable_stdin_echoing(void);
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extern void do_hlt(void);
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#include <pc/mem.h>
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#include <pc/sym.h>
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#include <pc/regs.h>
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#include <pc/decode.h>
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#include <pc/except.h>
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#include <ob/arch_i.h>
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extern reg_t arch_r[NREGS];
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extern instr_t arch_i[NINSTRS];
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extern size_t rfs_current_idx;
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#endif
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