170 lines
3.3 KiB
C
170 lines
3.3 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(pause, 0) { usleep(5000); return 0; }
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IMPL_START(udf, 0) { _except(E_UDF, "UDF instruction"); }
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//----------------------------------------------------------------------------//
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IMPL_START(break, 0)
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{
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#ifndef NDEBUG
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trace("\nExecuting BREAK INSTR\n");
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dumpregs();
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do_hlt();
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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, 0)
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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->cur_in, p1, p2, p3);
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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, 0)
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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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R(RAX) = 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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R(RBX) = tm->tm_mon;
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R(RCX) = tm->tm_year + 1900;
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return 0;
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}
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IMPL_START(utime, 1)
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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, 0)
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{
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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, 2)
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{
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SRCP(p2);
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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, 2)
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{
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SRCP(p2);
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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, 2)
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{
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SRCP(p2);
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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_MAGIC_MASK 0x8BF00000
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#define PRN_CLEAR_MAGIC 0x8BF00001
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#define PRN_FLUSH_MAGIC 0x8BF00002
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IMPL_START(prn, 1)
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{
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SRCP(p1);
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ulong v = p1->val;
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// Magic value? :)
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if (__builtin_expect((v & PRN_MAGIC_MASK) > 0, 0))
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{
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switch (v)
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{
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case PRN_CLEAR_MAGIC:
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console_clear();
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break;
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case PRN_FLUSH_MAGIC:
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console_flushkeybuf();
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break;
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default:
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trace("PRN bad magic: %lx\n", v);
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die(1);
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_except(E_ILL, "Bad PRN magic");
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}
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}
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else if (v > 0)
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console_putc((char)v);
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return 0;
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}
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IMPL_START(scan, 1)
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{
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*r1 = console_scankeybuf();
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return 1;
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}
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//----------------------------------------------------------------------------//
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