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Support for MCLASS ARM cpu (Cortex-M3) (#700) 

Support for Cortex-M ARM CPU already exists in Qemu. This patch just
exposes a "cortex-m3" CPU.

"uc_open(UC_ARCH_ARM, UC_MODE_THUMB | UC_MODE_MCLASS, &uc);"
Instantiates a CPU with this feature on.

Signed-off-by: Lucian Cojocar <lucian@cojocar.com>
This commit is contained in:
cojocar 2016-12-27 15:49:06 +01:00 committed by Nguyen Anh Quynh
parent efe6efeb84
commit 428cb83060
2 changed files with 6 additions and 3 deletions
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2
include/uc_priv.h
View File

@ -13,7 +13,7 @@
// 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)
#define UC_MODE_ARM_MASK (UC_MODE_ARM|UC_MODE_THUMB|UC_MODE_LITTLE_ENDIAN|UC_MODE_MCLASS)
#define UC_MODE_MIPS_MASK (UC_MODE_MIPS32|UC_MODE_MIPS64|UC_MODE_LITTLE_ENDIAN|UC_MODE_BIG_ENDIAN)
#define UC_MODE_X86_MASK (UC_MODE_16|UC_MODE_32|UC_MODE_64|UC_MODE_LITTLE_ENDIAN)
#define UC_MODE_PPC_MASK (UC_MODE_PPC64|UC_MODE_BIG_ENDIAN)

7
qemu/hw/arm/tosa.c
View File

@ -19,8 +19,11 @@
static int tosa_init(struct uc_struct *uc, MachineState *machine)
{
//cpu_arm_init(uc, "pxa255");
uc->cpu = (CPUState *)cpu_arm_init(uc, "cortex-a15"); // FIXME
if (uc->mode & UC_MODE_MCLASS) {
uc->cpu = (CPUState *)cpu_arm_init(uc, "cortex-m3");
} else {
uc->cpu = (CPUState *)cpu_arm_init(uc, "cortex-a15");
}
return 0;
}