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| From: | Richard Henderson |
| Subject: | Re: [PATCH 13/24] bsd-user/arm/target_arch_thread.h: Routines to create and switch to a thread |
| Date: | Fri, 29 Oct 2021 09:06:51 -0700 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 |
On 10/28/21 12:45 PM, Warner Losh wrote:
(2) Changes to CPSR cannot be made manually; you need cpsr_write.
So would
+ cpsr_write(env, cpsr_read(env) | CPSR_T, CPSR_T, CPSRWriteByInstr);
cover what's needed here?
You can use
cpsr_write(env, CPSR_T, CPSR_T, CPSRWriteByInstr);
because the mask takes care of not changing other bits.
r~
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