mirror of
https://github.com/dolphin-emu/hwtests.git
synced 2026-01-31 01:05:17 +01:00
203 lines
8.4 KiB
C++
203 lines
8.4 KiB
C++
#include <gctypes.h>
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#include <wiiuse/wpad.h>
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#include "common/CommonFuncs.h"
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#include "common/hwtests.h"
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// Generates a bitmask from the ten bits encoded in the instruction.
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// mb and me are what the two 5 bit sections are called in the instruction encoding.
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// Mask is what is used by the instructions for determining which bits are used.
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// Copied from Dolphin's Interpreter integer operations.
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static u32 GetHelperMask(int mb, int me)
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{
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// first make 001111111111111 part
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// then make 000000000001111 part, which is used to flip the bits of the first one
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// do the bitflip
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// and invert if backwards
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u32 begin = 0xFFFFFFFF >> mb;
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u32 end = me < 31 ? (0xFFFFFFFF >> (me + 1)) : 0;
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u32 mask = begin ^ end;
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if (me < mb)
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return ~mask;
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else
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return mask;
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}
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static void rlwimixTest()
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{
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START_TEST();
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u32 values[][2] = {
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{0xFFFFFFFF, 0x41414141}, {0x44444444, 0xFFFFFFFF}, {0x41414141, 0x22222222},
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};
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#define RLWIMIX_TEST(sh, mb, me) \
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do \
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{ \
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for (int i = 0; i < (sizeof(values) / sizeof(values[0])); ++i) \
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{ \
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u32 mask = GetHelperMask(mb, me); \
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u32 computed_result = (values[i][0] & ~mask) | (_rotl(values[i][1], sh) & mask); \
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\
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u32 valueA = values[i][0]; \
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u32 valueS = values[i][1]; \
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\
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asm("rlwimi %0, %1, " #sh ", " #mb ", " #me : "+r"(valueA) : "r"(valueS)); \
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DO_TEST(valueA == computed_result, "rlwimi %08x, %08x, " #sh ", " #mb ", " #me "\n" \
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"\tgot: %08x\n" \
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"\texpected: %08x\n", \
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values[i][0], values[i][1], valueA, computed_result); \
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} \
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} while (0)
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RLWIMIX_TEST(0, 0, 0);
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RLWIMIX_TEST(0, 0, 15);
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RLWIMIX_TEST(0, 0, 31);
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RLWIMIX_TEST(0, 15, 0);
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RLWIMIX_TEST(0, 15, 15);
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RLWIMIX_TEST(0, 15, 31);
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RLWIMIX_TEST(0, 31, 0);
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RLWIMIX_TEST(15, 0, 0);
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RLWIMIX_TEST(15, 0, 15);
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RLWIMIX_TEST(15, 0, 31);
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RLWIMIX_TEST(15, 15, 0);
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RLWIMIX_TEST(15, 15, 15);
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RLWIMIX_TEST(15, 15, 31);
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RLWIMIX_TEST(15, 31, 0);
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RLWIMIX_TEST(15, 31, 15);
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RLWIMIX_TEST(15, 31, 31);
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RLWIMIX_TEST(31, 0, 0);
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RLWIMIX_TEST(31, 0, 15);
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RLWIMIX_TEST(31, 0, 31);
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RLWIMIX_TEST(31, 15, 0);
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RLWIMIX_TEST(31, 15, 15);
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RLWIMIX_TEST(31, 15, 31);
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RLWIMIX_TEST(31, 31, 0);
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RLWIMIX_TEST(31, 31, 15);
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RLWIMIX_TEST(31, 31, 31);
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END_TEST();
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}
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static void rlwinmxTest()
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{
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START_TEST();
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u32 values[] = {
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0xFFFFFFFF, 0x44444444, 0x41414141, 0x12345678, 0x90ABCDEF,
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};
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#define RLWINMX_TEST(sh, mb, me) \
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do \
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{ \
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for (int i = 0; i < (sizeof(values) / sizeof(values[0])); ++i) \
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{ \
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u32 mask = GetHelperMask(mb, me); \
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u32 computed_result = _rotl(values[i], sh) & mask; \
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\
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u32 result = 0; \
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u32 valueS = values[i]; \
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\
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asm("rlwinm %0, %1, " #sh ", " #mb ", " #me : "=r"(result) : "r"(valueS)); \
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DO_TEST(result == computed_result, "rlwinm %08x, " #sh ", " #mb ", " #me "\n" \
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"\tgot: %08x\n" \
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"\texpected: %08x\n", \
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values[i], result, computed_result); \
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} \
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} while (0)
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RLWINMX_TEST(0, 0, 0);
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RLWINMX_TEST(0, 0, 15);
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RLWINMX_TEST(0, 0, 31);
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RLWINMX_TEST(0, 15, 0);
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RLWINMX_TEST(0, 15, 15);
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RLWINMX_TEST(0, 15, 31);
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RLWINMX_TEST(0, 31, 0);
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RLWINMX_TEST(15, 0, 0);
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RLWINMX_TEST(15, 0, 15);
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RLWINMX_TEST(15, 0, 31);
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RLWINMX_TEST(15, 15, 0);
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RLWINMX_TEST(15, 15, 15);
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RLWINMX_TEST(15, 15, 31);
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RLWINMX_TEST(15, 31, 0);
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RLWINMX_TEST(15, 31, 15);
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RLWINMX_TEST(15, 31, 31);
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RLWINMX_TEST(31, 0, 0);
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RLWINMX_TEST(31, 0, 15);
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RLWINMX_TEST(31, 0, 31);
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RLWINMX_TEST(31, 15, 0);
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RLWINMX_TEST(31, 15, 15);
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RLWINMX_TEST(31, 15, 31);
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RLWINMX_TEST(31, 31, 0);
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RLWINMX_TEST(31, 31, 15);
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RLWINMX_TEST(31, 31, 31);
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END_TEST();
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}
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static void rlwnmxTest()
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{
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START_TEST();
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u32 values[] = {
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0xFFFFFFFF, 0x44444444, 0x41414141, 0x12345678, 0x90ABCDEF,
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};
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#define RLWNMX_TEST(mb, me) \
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do \
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{ \
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for (int sh = 0; sh < 32; ++sh) \
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for (int i = 0; i < (sizeof(values) / sizeof(values[0])); ++i) \
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{ \
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u32 mask = GetHelperMask(mb, me); \
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u32 computed_result = _rotl(values[i], sh & 0x1F) & mask; \
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\
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u32 result = 0; \
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u32 valueS = values[i]; \
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\
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asm("rlwnm %0, %1, %2, " #mb ", " #me : "=r"(result) : "r"(valueS), "r"(sh)); \
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DO_TEST(result == computed_result, "rlwnm %08x, %d, " #mb ", " #me "\n" \
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"\tgot: %08x\n" \
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"\texpected: %08x\n", \
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values[i], sh, result, computed_result); \
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} \
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} while (0)
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RLWNMX_TEST(0, 0);
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RLWNMX_TEST(0, 7);
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RLWNMX_TEST(0, 15);
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RLWNMX_TEST(0, 23);
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RLWNMX_TEST(0, 31);
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RLWNMX_TEST(7, 0);
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RLWNMX_TEST(7, 7);
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RLWNMX_TEST(7, 15);
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RLWNMX_TEST(7, 23);
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RLWNMX_TEST(7, 31);
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RLWNMX_TEST(15, 0);
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RLWNMX_TEST(15, 7);
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RLWNMX_TEST(15, 15);
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RLWNMX_TEST(15, 23);
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RLWNMX_TEST(15, 31);
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RLWNMX_TEST(23, 0);
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RLWNMX_TEST(23, 7);
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RLWNMX_TEST(23, 15);
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RLWNMX_TEST(23, 23);
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RLWNMX_TEST(23, 31);
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RLWNMX_TEST(31, 0);
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RLWNMX_TEST(31, 7);
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RLWNMX_TEST(31, 15);
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RLWNMX_TEST(31, 23);
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RLWNMX_TEST(31, 31);
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END_TEST();
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}
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int main()
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{
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network_init();
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rlwimixTest();
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rlwinmxTest();
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rlwnmxTest();
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network_printf("Shutting down...\n");
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network_shutdown();
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return 0;
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}
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