mirror of https://git.tukaani.org/xz.git
117 lines
1.9 KiB
C
117 lines
1.9 KiB
C
// SPDX-License-Identifier: 0BSD
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///////////////////////////////////////////////////////////////////////////////
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//
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/// \file testfilegen-arm64.c
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/// \brief Generates uncompressed test file for the ARM64 filter
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//
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// Author: Lasse Collin
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//
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///////////////////////////////////////////////////////////////////////////////
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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static uint32_t pc4 = 0;
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static void
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put32le(uint32_t v)
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{
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putchar((v >> 0) & 0xFF);
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putchar((v >> 8) & 0xFF);
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putchar((v >> 16) & 0xFF);
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putchar((v >> 24) & 0xFF);
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++pc4;
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}
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static void
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putbl(uint32_t imm)
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{
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imm &= (1U << 26) - 1;
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imm |= 0x25U << 26;
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put32le(imm);
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}
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static void
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putadrp32(uint32_t imm)
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{
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imm &= 0x1FFFFFU;
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// fprintf(stderr, "ADRP 0x%08X\n", imm);
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uint32_t instr = 0x90000000;
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instr |= (pc4 * 5 + 11) & 0x1F;
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instr |= (imm & 3) << 29;
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instr |= (imm >> 2) << 5;
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put32le(instr);
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}
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extern int
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main(void)
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{
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putbl(0);
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putbl(0x03FFFFFF);
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putbl(0x03FFFFFE);
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putbl(0x03FFFFFD);
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putbl(3);
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putbl(2);
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putbl(1);
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putbl(0);
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putbl(0x02000001);
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putbl(0x02000000);
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putbl(0x01FFFFFF);
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putbl(0x01FFFFFE);
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putbl(0x01111117);
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putbl(0x01111116);
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putbl(0x01111115);
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putbl(0x01111114);
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putbl(0x02222227);
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putbl(0x02222226);
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putbl(0x02222225);
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putbl(0x02222224);
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putbl(0U - pc4);
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putbl(0U - pc4);
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putbl(0U - pc4);
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putbl(0U - pc4);
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putadrp32(0x00);
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putadrp32(0x05);
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putadrp32(0x15);
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putadrp32(0x25);
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for (unsigned rep = 0; rep < 2; ++rep) {
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while ((pc4 << 2) & 4095)
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put32le(0x55555555U);
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for (unsigned i = 10; i <= 21; ++i) {
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const uint32_t neg = (0x1FFF00 >> (21 - i)) & ~255U;
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const uint32_t plus = 1U << (i - 1);
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putadrp32(0x000000 | plus);
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putadrp32(0x000005 | plus);
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putadrp32(0x0000FE | plus);
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putadrp32(0x0000FF | plus);
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putadrp32(0x000000 | neg);
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putadrp32(0x000005 | neg);
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putadrp32(0x0000FE | neg);
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putadrp32(0x0000FF | neg);
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}
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}
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return 0;
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}
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