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Add support for the ARM IPSR register. (#1067) 

1. Create an enum name for the IPSR register.
2. Implement read and write of the IPSR via the xpsr helper functions.

Fixes #1065
This commit is contained in:
cfrantz 2019-02-27 17:55:27 -08:00 committed by Nguyen Anh Quynh
parent 075bd65bbb
commit 6c319941a5
2 changed files with 7 additions and 0 deletions
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1
include/unicorn/arm.h
View File

@ -133,6 +133,7 @@ typedef enum uc_arm_reg {
UC_ARM_REG_C13_C0_2,
UC_ARM_REG_C13_C0_3,
UC_ARM_REG_IPSR,
UC_ARM_REG_ENDING, // <-- mark the end of the list or registers
//> alias registers

6
qemu/target-arm/unicorn_arm.c
View File

@ -90,6 +90,9 @@ int arm_reg_read(struct uc_struct *uc, unsigned int *regs, void **vals, int coun
case UC_ARM_REG_FPEXC:
*(int32_t *)value = ARM_CPU(uc, mycpu)->env.vfp.xregs[ARM_VFP_FPEXC];
break;
case UC_ARM_REG_IPSR:
*(uint32_t *)value = xpsr_read(&ARM_CPU(uc, mycpu)->env) & 0x1ff;
break;
}
}
}
@ -146,6 +149,9 @@ int arm_reg_write(struct uc_struct *uc, unsigned int *regs, void* const* vals, i
case UC_ARM_REG_FPEXC:
ARM_CPU(uc, mycpu)->env.vfp.xregs[ARM_VFP_FPEXC] = *(int32_t *)value;
break;
case UC_ARM_REG_IPSR:
xpsr_write(&ARM_CPU(uc, mycpu)->env, *(uint32_t *)value, 0x1ff);
break;
}
}
}