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Expose different 32-bit ARM CPU models to users via UC_MODE flags (#1165)

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Backports commit ba745521991429b76b93180dca70c294c6b343cf from unicorn.
This commit is contained in:
meta 2020-01-14 09:37:10 -05:00 committed by Lioncash
parent b1f5794ab4
commit 55a3c5a4a5
3 changed files with 21 additions and 2 deletions
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3
include/uc_priv.h
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@ -14,7 +14,8 @@
// These are masks of supported modes for each cpu/arch.
// They should be updated when changes are made to the uc_mode enum typedef.
#define UC_MODE_ARM_MASK (UC_MODE_ARM|UC_MODE_THUMB|UC_MODE_LITTLE_ENDIAN|UC_MODE_MCLASS|UC_MODE_BIG_ENDIAN)
#define UC_MODE_ARM_MASK (UC_MODE_ARM|UC_MODE_THUMB|UC_MODE_LITTLE_ENDIAN|UC_MODE_MCLASS | \
UC_MODE_ARM926|UC_MODE_ARM946|UC_MODE_ARM1176|UC_MODE_BIG_ENDIAN)
#define UC_MODE_M68K_MASK (UC_MODE_BIG_ENDIAN)
#define UC_MODE_MIPS_MASK (UC_MODE_MIPS32|UC_MODE_MIPS64|UC_MODE_LITTLE_ENDIAN|UC_MODE_BIG_ENDIAN)
#define UC_MODE_PPC_MASK (UC_MODE_PPC64|UC_MODE_BIG_ENDIAN)

12
include/unicorn/unicorn.h
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@ -104,31 +104,43 @@ typedef enum uc_arch {
typedef enum uc_mode {
UC_MODE_LITTLE_ENDIAN = 0, // little-endian mode (default mode)
UC_MODE_BIG_ENDIAN = 1 << 30, // big-endian mode
// arm / arm64
UC_MODE_ARM = 0, // ARM mode
UC_MODE_THUMB = 1 << 4, // THUMB mode (including Thumb-2)
UC_MODE_MCLASS = 1 << 5, // ARM's Cortex-M series (currently unsupported)
UC_MODE_V8 = 1 << 6, // ARMv8 A32 encodings for ARM (currently unsupported)
// arm (32bit) cpu types
UC_MODE_ARM926 = 1 << 7, // ARM926 CPU type
UC_MODE_ARM946 = 1 << 8, // ARM946 CPU type
UC_MODE_ARM1176 = 1 << 9, // ARM1176 CPU type
// mips
UC_MODE_MICRO = 1 << 4, // MicroMips mode (currently unsupported)
UC_MODE_MIPS3 = 1 << 5, // Mips III ISA (currently unsupported)
UC_MODE_MIPS32R6 = 1 << 6, // Mips32r6 ISA (currently unsupported)
UC_MODE_MIPS32 = 1 << 2, // Mips32 ISA
UC_MODE_MIPS64 = 1 << 3, // Mips64 ISA
// x86 / x64
UC_MODE_16 = 1 << 1, // 16-bit mode
UC_MODE_32 = 1 << 2, // 32-bit mode
UC_MODE_64 = 1 << 3, // 64-bit mode
// ppc
UC_MODE_PPC32 = 1 << 2, // 32-bit mode (currently unsupported)
UC_MODE_PPC64 = 1 << 3, // 64-bit mode (currently unsupported)
UC_MODE_QPX = 1 << 4, // Quad Processing eXtensions mode (currently unsupported)
// sparc
UC_MODE_SPARC32 = 1 << 2, // 32-bit mode
UC_MODE_SPARC64 = 1 << 3, // 64-bit mode
UC_MODE_V9 = 1 << 4, // SparcV9 mode (currently unsupported)
// m68k
// No flags for M68K yet
// RISC-V
UC_MODE_RISCV32 = 1 << 2, // 32-bit mode
UC_MODE_RISCV64 = 1 << 3, // 64-bit mode

6
qemu/hw/arm/tosa.c
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@ -33,6 +33,12 @@ static void tosa_machine_init(struct uc_struct *uc, MachineClass *mc)
if (uc->mode & UC_MODE_MCLASS) {
mc->default_cpu_type = ARM_CPU_TYPE_NAME("cortex-m3");
} else if (uc->mode & UC_MODE_ARM926) {
mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm926");
} else if (uc->mode & UC_MODE_ARM946) {
mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm946");
} else if (uc->mode & UC_MODE_ARM1176) {
mc->default_cpu_type = ARM_CPU_TYPE_NAME("arm1176");
} else {
// Unicorn: Enable all CPU features
mc->default_cpu_type = ARM_CPU_TYPE_NAME("max");