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target/tricore: Correctly fix saving PSW.CDE to CSA on call 

we don't want to save PSW.CDC to the CSA, but PSW.CDE must be saved.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1699
Signed-off-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Message-Id: <20230612113245.56667-3-kbastian@mail.uni-paderborn.de>
This commit is contained in:
Bastian Koppelmann 2023-06-12 13:32:43 +02:00
parent d34b092cab
commit 5434557ffc
1 changed files with 6 additions and 1 deletions
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7
target/tricore/op_helper.c
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@ -2499,7 +2499,12 @@ void helper_call(CPUTriCoreState *env, uint32_t next_pc)
}
/* PSW.CDE = 1;*/
psw |= MASK_PSW_CDE;
psw_write(env, psw);
/*
* we need to save PSW.CDE and not PSW.CDC into the CSAs. psw already
* contains the CDC from cdc_increment(), so we cannot call psw_write()
* here.
*/
env->PSW |= MASK_PSW_CDE;
/* tmp_FCX = FCX; */
tmp_FCX = env->FCX;