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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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 */
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#include <libc.h>
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#include <libc.h>
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/**
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 * Immediate operand for break instruction.
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 * Be carefull about the value as Ski simulator
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 * is somewhat sensitive to its value.
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 *
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 * 0 will be confused with Ski breakpoint.
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 * And higher values will be confused with SSC's.
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 */
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#define SYSCALL_IMM 1
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sysarg_t __syscall(const syscall_t id, const sysarg_t p1, const sysarg_t p2, const sysarg_t p3)
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sysarg_t __syscall(const syscall_t id, const sysarg_t p1, const sysarg_t p2, const sysarg_t p3)
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{
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{
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    sysarg_t ret;
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    sysarg_t ret;
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    __asm__ volatile (
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    __asm__ volatile (
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        "mov r14 = %1\n"
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        "mov r14 = %1\n"
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        "mov r15 = %2\n"
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        "mov r15 = %2\n"
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        "mov r16 = %3\n"
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        "mov r16 = %3\n"
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        "mov r17 = %4\n"
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        "mov r17 = %4\n"
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        "break 0\n"
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        "break %5\n"
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        "mov %0 = r8\n"
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        "mov %0 = r8\n"
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        : "=r" (ret)
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        : "=r" (ret)
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        : "r" (id), "r" (p1), "r" (p2), "r" (p3)
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        : "r" (id), "r" (p1), "r" (p2), "r" (p3), "i" (SYSCALL_IMM)
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        : "r8", "r14", "r15", "r16"
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        : "r8", "r14", "r15", "r16"
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    );
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    );
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    return ret;
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    return ret;
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}
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}