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-rw-r--r--debug/Makefile.am3
-rw-r--r--debug/testfilegen-arm64.c116
2 files changed, 118 insertions, 1 deletions
diff --git a/debug/Makefile.am b/debug/Makefile.am
index 7295ee61..db6f47f7 100644
--- a/debug/Makefile.am
+++ b/debug/Makefile.am
@@ -11,7 +11,8 @@ noinst_PROGRAMS = \
memusage \
crc32 \
known_sizes \
- hex2bin
+ hex2bin \
+ testfilegen-arm64
AM_CPPFLAGS = \
-I$(top_srcdir)/src/common \
diff --git a/debug/testfilegen-arm64.c b/debug/testfilegen-arm64.c
new file mode 100644
index 00000000..88cadcaa
--- /dev/null
+++ b/debug/testfilegen-arm64.c
@@ -0,0 +1,116 @@
+// SPDX-License-Identifier: 0BSD
+
+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file testfilegen-arm64.c
+/// \brief Generates uncompressed test file for the ARM64 filter
+//
+// Author: Lasse Collin
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+
+
+static uint32_t pc4 = 0;
+
+
+static void
+put32le(uint32_t v)
+{
+ putchar((v >> 0) & 0xFF);
+ putchar((v >> 8) & 0xFF);
+ putchar((v >> 16) & 0xFF);
+ putchar((v >> 24) & 0xFF);
+ ++pc4;
+}
+
+
+static void
+putbl(uint32_t imm)
+{
+ imm &= (1U << 26) - 1;
+ imm |= 0x25U << 26;
+ put32le(imm);
+}
+
+
+static void
+putadrp32(uint32_t imm)
+{
+ imm &= 0x1FFFFFU;
+
+ // fprintf(stderr, "ADRP 0x%08X\n", imm);
+
+ uint32_t instr = 0x90000000;
+ instr |= (pc4 * 5 + 11) & 0x1F;
+ instr |= (imm & 3) << 29;
+ instr |= (imm >> 2) << 5;
+
+ put32le(instr);
+}
+
+
+extern int
+main(void)
+{
+ putbl(0);
+ putbl(0x03FFFFFF);
+ putbl(0x03FFFFFE);
+ putbl(0x03FFFFFD);
+
+ putbl(3);
+ putbl(2);
+ putbl(1);
+ putbl(0);
+
+
+ putbl(0x02000001);
+ putbl(0x02000000);
+ putbl(0x01FFFFFF);
+ putbl(0x01FFFFFE);
+
+ putbl(0x01111117);
+ putbl(0x01111116);
+ putbl(0x01111115);
+ putbl(0x01111114);
+
+
+ putbl(0x02222227);
+ putbl(0x02222226);
+ putbl(0x02222225);
+ putbl(0x02222224);
+
+ putbl(0U - pc4);
+ putbl(0U - pc4);
+ putbl(0U - pc4);
+ putbl(0U - pc4);
+
+ putadrp32(0x00);
+ putadrp32(0x05);
+ putadrp32(0x15);
+ putadrp32(0x25);
+
+ for (unsigned rep = 0; rep < 2; ++rep) {
+ while ((pc4 << 2) & 4095)
+ put32le(0x55555555U);
+
+ for (unsigned i = 10; i <= 21; ++i) {
+ const uint32_t neg = (0x1FFF00 >> (21 - i)) & ~255U;
+ const uint32_t plus = 1U << (i - 1);
+ putadrp32(0x000000 | plus);
+ putadrp32(0x000005 | plus);
+ putadrp32(0x0000FE | plus);
+ putadrp32(0x0000FF | plus);
+
+ putadrp32(0x000000 | neg);
+ putadrp32(0x000005 | neg);
+ putadrp32(0x0000FE | neg);
+ putadrp32(0x0000FF | neg);
+ }
+ }
+
+ return 0;
+}