kaguya
118 lines
3.1 KiB
C++
118 lines
3.1 KiB
C++
#include <sys/syscall.h>
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#include <bits/syscall.h>
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using sc_word_t = __sc_word_t;
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sc_word_t __do_syscall0(long sc) {
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register int sc_reg asm("a7") = sc;
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register sc_word_t ret asm("a0");
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asm volatile ("ecall" : "=r"(ret) : "r"(sc_reg) : "memory", "a1");
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return ret;
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}
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sc_word_t __do_syscall1(long sc,
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sc_word_t arg1) {
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register int sc_reg asm("a7") = sc;
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register sc_word_t arg1_reg asm("a0") = arg1;
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register sc_word_t ret asm("a0");
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asm volatile ("ecall" : "=r"(ret) :
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"r"(sc_reg),
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"r"(arg1_reg)
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: "memory", "a1");
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return ret;
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}
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sc_word_t __do_syscall2(long sc,
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sc_word_t arg1, sc_word_t arg2) {
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register int sc_reg asm("a7") = sc;
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register sc_word_t arg1_reg asm("a0") = arg1;
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register sc_word_t arg2_reg asm("a1") = arg2;
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register sc_word_t ret asm("a0");
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asm volatile ("ecall" : "=r"(ret) :
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"r"(sc_reg),
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"r"(arg1_reg),
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"r"(arg2_reg)
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: "memory");
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return ret;
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}
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sc_word_t __do_syscall3(long sc,
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sc_word_t arg1, sc_word_t arg2, sc_word_t arg3) {
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register int sc_reg asm("a7") = sc;
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register sc_word_t arg1_reg asm("a0") = arg1;
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register sc_word_t arg2_reg asm("a1") = arg2;
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register sc_word_t arg3_reg asm("a2") = arg3;
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register sc_word_t ret asm("a0");
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asm volatile ("ecall" : "=r"(ret) :
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"r"(sc_reg),
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"r"(arg1_reg),
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"r"(arg2_reg),
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"r"(arg3_reg)
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: "memory");
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return ret;
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}
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sc_word_t __do_syscall4(long sc,
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sc_word_t arg1, sc_word_t arg2, sc_word_t arg3,
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sc_word_t arg4) {
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register int sc_reg asm("a7") = sc;
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register sc_word_t arg1_reg asm("a0") = arg1;
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register sc_word_t arg2_reg asm("a1") = arg2;
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register sc_word_t arg3_reg asm("a2") = arg3;
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register sc_word_t arg4_reg asm("a3") = arg4;
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register sc_word_t ret asm("a0");
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asm volatile ("ecall" : "=r"(ret) :
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"r"(sc_reg),
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"r"(arg1_reg),
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"r"(arg2_reg),
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"r"(arg3_reg),
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"r"(arg4_reg)
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: "memory");
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return ret;
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}
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sc_word_t __do_syscall5(long sc,
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sc_word_t arg1, sc_word_t arg2, sc_word_t arg3,
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sc_word_t arg4, sc_word_t arg5) {
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register int sc_reg asm("a7") = sc;
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register sc_word_t arg1_reg asm("a0") = arg1;
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register sc_word_t arg2_reg asm("a1") = arg2;
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register sc_word_t arg3_reg asm("a2") = arg3;
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register sc_word_t arg4_reg asm("a3") = arg4;
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register sc_word_t arg5_reg asm("a4") = arg5;
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register sc_word_t ret asm("a0");
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asm volatile ("ecall" : "=r"(ret) :
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"r"(sc_reg),
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"r"(arg1_reg),
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"r"(arg2_reg),
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"r"(arg3_reg),
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"r"(arg4_reg),
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"r"(arg5_reg)
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: "memory");
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return ret;
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}
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sc_word_t __do_syscall6(long sc,
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sc_word_t arg1, sc_word_t arg2, sc_word_t arg3,
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sc_word_t arg4, sc_word_t arg5, sc_word_t arg6) {
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register int sc_reg asm("a7") = sc;
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register sc_word_t arg1_reg asm("a0") = arg1;
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register sc_word_t arg2_reg asm("a1") = arg2;
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register sc_word_t arg3_reg asm("a2") = arg3;
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register sc_word_t arg4_reg asm("a3") = arg4;
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register sc_word_t arg5_reg asm("a4") = arg5;
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register sc_word_t arg6_reg asm("a5") = arg6;
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register sc_word_t ret asm("a0");
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asm volatile ("ecall" : "=r"(ret) :
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"r"(sc_reg),
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"r"(arg1_reg),
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"r"(arg2_reg),
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"r"(arg3_reg),
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"r"(arg4_reg),
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"r"(arg5_reg),
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"r"(arg6_reg)
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: "memory"
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);
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return ret;
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}
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