164 lines
3.1 KiB
C
164 lines
3.1 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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#include <pc/console.h>
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#include <in/instrs.h>
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#include <sys/time.h>
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#include <unistd.h>
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#include <time.h>
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//----------------------------------------------------------------------------//
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IMPL_START(into) { INTO(); return 0; }
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IMPL_START(pause) { usleep(5000); return 0; }
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//----------------------------------------------------------------------------//
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IMPL_START(break)
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{
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#ifndef NDEBUG
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trace("\nExecuting BREAK INSTR\n");
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dumpregs(ctx);
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do_hlt(ctx);
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trace("Resuming execution\n");
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#endif
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return 0;
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}
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IMPL_START(dump)
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{
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#ifndef NDEBUG
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if (ctx->dumpsw)
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trace("0x%lX:\t...\n", ctx->cur_pc);
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else if (!ctx->dumpsw)
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dump_instr(ctx, ctx->cur_in, p1, p2, p3, 0, 0);
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ctx->dumpsw = !ctx->dumpsw;
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#endif
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return 0;
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}
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//----------------------------------------------------------------------------//
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IMPL_START(ytime)
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{
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time_t t = time(NULL);
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struct tm *tm = localtime(&t);
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*r1 = tm->tm_sec + tm->tm_min * 60
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+ tm->tm_hour * 60 * 60
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+ tm->tm_mday * 60 * 60 * 24;
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*r2 = tm->tm_mon;
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*r3 = tm->tm_year + 1900;
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return 3;
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}
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IMPL_START(utime)
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{
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struct timeval time;
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gettimeofday(&time, NULL);
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*r1 = (time.tv_sec * 1000) + (time.tv_usec / 1000);
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return 1;
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}
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//----------------------------------------------------------------------------//
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IMPL_START(cls)
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{
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R(RFX) = 0;
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for (int i = RAX; i <= R20; i++) R(i) = 0;
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return 0;
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}
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//----------------------------------------------------------------------------//
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IMPL_START(bswap)
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{
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ulong v = p2->val;
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*r1 = ((v & 0xFF00000000000000) >> 56)
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| ((v & 0x00FF000000000000) >> 40)
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| ((v & 0x0000FF0000000000) >> 24)
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| ((v & 0x000000FF00000000) >> 8)
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| ((v & 0x00000000FF000000) << 8)
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| ((v & 0x0000000000FF0000) << 24)
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| ((v & 0x000000000000FF00) << 40)
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| ((v & 0x00000000000000FF) << 56);
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return 1;
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}
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IMPL_START(wswap)
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{
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ulong v = p2->val;
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*r1 = ((v & 0xFFFF000000000000) >> 48)
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| ((v & 0x0000FFFF00000000) >> 16)
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| ((v & 0x00000000FFFF0000) << 16)
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| ((v & 0x000000000000FFFF) << 48);
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return 1;
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}
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IMPL_START(dswap)
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{
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*r1 = ((p2->val & 0xFFFFFFFF00000000) >> 32)
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| ((p2->val & 0x00000000FFFFFFFF) << 32);
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return 1;
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}
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//----------------------------------------------------------------------------//
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#define PRN_CLEAR_MAGIC 0x8BF00001
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IMPL_START(prn)
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{
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ulong v = p1->val;
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// Magic value? :)
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if (__builtin_expect(v == PRN_CLEAR_MAGIC, 0))
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console_clear(ctx);
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else if (v > 0)
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console_putc(ctx, (char)v);
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return 0;
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}
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IMPL_START(prns)
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{
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uchar ch = readmemzx(ctx, R(p1->reg), 1);
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COMPARE_SUB(ch, 0);
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if ((R(RFX) & ZF) == 0)
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{
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console_putc(ctx, ch);
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if (R(RFX) & DF)
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R(p1->reg)--;
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else
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R(p1->reg)++;
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}
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return 0;
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}
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IMPL_START(scan)
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{
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*r1 = console_scankeybuf(ctx);
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return 1;
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}
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//----------------------------------------------------------------------------//
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