Re: [PATCH 13/24] bsd-user/arm/target_arch_thread.h: Routines to create and switch to a thread

[Richard Henderson]

On 10/19/21 9:44 AM, Warner Losh wrote:

+    regs->spsr = ARM_CPU_MODE_USR;
+    if (entry & 0x1) {
+        regs->spsr |= CPSR_T;
+    }

(1) Why are you setting SPSR not CPSR?
(2) Changes to CPSR cannot be made manually; you need cpsr_write.


r~