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[/] [or1k/] [tags/] [nog_patch_60/] [or1ksim/] [testbench/] [mem_test.c] - Rev 1765
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/* Simple test, which tests whether memory accesses are performed correctly. WARNING: Requires big endian host!!! */ #include "support.h" unsigned long _ul, *pul; unsigned short *pus; unsigned char *puc; int main () { unsigned long cnt = 0; _ul = 0x12345678; pul = &_ul; report (*pul); cnt = (cnt + *pul) << 1; pus = (unsigned short *)&_ul; report (*pus); cnt = (cnt + *pus) << 1; pus++; report (*pus); cnt = (cnt + *pus) << 1; puc = (unsigned char *)&_ul; report (*puc); cnt = (cnt + *puc) << 1; puc++; report (*puc); cnt = (cnt + *puc) << 1; puc++; report (*puc); cnt = (cnt + *puc) << 1; puc++; report (*puc); cnt = (cnt + *puc) << 1; *pul = 0xdeaddead; report (*pul); cnt = (cnt + *pul) << 1; pus = (unsigned short *)&_ul; *pus = 0x5678; report (*pul); cnt = (cnt + *pul) << 1; pus++; *pus = 0x1234; report (*pul); cnt = (cnt + *pul) << 1; puc = (unsigned char *)&_ul; *puc = 0xdd; report (*pul); cnt = (cnt + *pul) << 1; puc++; *puc = 0xcc; report (*pul); cnt = (cnt + *pul) << 1; puc++; *puc = 0xbb; report (*pul); cnt = (cnt + *pul) << 1; puc++; *puc = 0xaa; report (*pul); cnt = (cnt + *pul) << 1; report (cnt); cnt ^= 0xdeaddead ^ 0xda25e544; report(cnt); return (cnt != 0xdeaddead); }