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@@ -147,7 +147,10 @@ def writeInitialValues(file):
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for i in range(8):
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file.write("\tf{0} = *(int64_t*)(aesSeed + {1});\n".format(i, 64 + i * 8))
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file.write("\taesInitialize((__m128i*)aesKey, (__m128i*)aesSeed, (__m128i*)scratchpad, SCRATCHPAD_SIZE);\n")
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- file.write("\tmmu.m0 = (aesKey[10] << 16) | (aesKey[11] << 24);\n")
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+ file.write("\tmmu.ma = *(addr_t*)(aesKey + 8) & ~7U;\n")
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+ file.write("#ifdef PRNTADDR\n")
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+ file.write('\tprintf("DRAM address = %#010x\\n", mmu.ma);\n')
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+ file.write("#endif\n")
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file.write("\tmmu.mx = 0;\n")
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file.write("\tsp = 0;\n")
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file.write("\tic = {0};\n".format(INSTRUCTION_COUNT))
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@@ -448,7 +451,7 @@ def writeProlog(file):
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" void* address;\n"
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"} stack_t;\n"
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"typedef struct {\n"
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- " addr_t m0;\n"
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+ " addr_t ma;\n"
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" addr_t mx;\n"
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"#ifdef RAM\n"
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" const char* buffer;\n"
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@@ -463,10 +466,10 @@ def writeProlog(file):
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"#define SCRATCHPAD_256K(x) scratchpad[(x) & SCRATCHPAD_MASK18]\n"
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"#define STACK_LENGTH (128 * 1024)\n"
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"#ifdef RAM\n"
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- "#define DRAM_READ(mmu) (convertible_t)*(uint64_t*)((mmu)->buffer + (mmu)->m0)\n"
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- "#define PREFETCH(mmu) _mm_prefetch(((mmu)->buffer + (mmu)->m0), _MM_HINT_T0)\n"
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+ "#define DRAM_READ(mmu) (convertible_t)*(uint64_t*)((mmu)->buffer + (mmu)->ma)\n"
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+ "#define PREFETCH(mmu) _mm_prefetch(((mmu)->buffer + (mmu)->ma), _MM_HINT_T0)\n"
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"#else\n"
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- "#define DRAM_READ(mmu) (convertible_t)(uint64_t)__rolq(6364136223846793005ULL*((mmu)->m0)+1442695040888963407ULL,32)\n"
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+ "#define DRAM_READ(mmu) (convertible_t)(uint64_t)__rolq(6364136223846793005ULL*((mmu)->ma)+1442695040888963407ULL,32)\n"
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"#define PREFETCH(mmu)\n"
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"#endif\n"
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"#define PUSH_VALUE(x) stack[sp++].value = x\n"
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@@ -477,11 +480,14 @@ def writeProlog(file):
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"static convertible_t readDram(mmu_t* mmu, addr_t addr) {\n"
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" convertible_t data;\n"
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" data = DRAM_READ(mmu);\n"
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- " mmu->m0 += 8;\n"
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+ " mmu->ma += 8;\n"
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" mmu->mx ^= addr;\n"
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- " if((mmu->mx & 0xFFF8) == 0) {\n"
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- " mmu->m0 = mmu->mx & ~7U;\n"
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- "#if defined(PREF)\n"
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+ " if((mmu->mx & 0x1FFF) == 0) {\n"
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+ "#ifdef PRNTADDR\n"
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+ ' printf("DRAM jump %#010x -> %#010x\\n", mmu->ma, mmu->mx);\n'
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+ "#endif\n"
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+ " mmu->ma = mmu->mx;\n"
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+ "#ifdef PREF\n"
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" PREFETCH(mmu);\n"
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"#endif\n"
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" }\n"
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tevador