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target/nios2: Split out helper for eret instruction

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The implementation of eret will become much more complex
with the introduction of shadow registers.

[rth: Split out of a larger patch for shadow register sets.
      Directly exit to the cpu loop from the helper.]

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Amir Gonnen <amir.gonnen@neuroblade.ai>
Message-Id: <20220303153906.2024748-3-amir.gonnen@neuroblade.ai>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220421151735.31996-18-richard.henderson@linaro.org>
This commit is contained in:
Amir Gonnen 2022-04-21 08:16:48 -07:00 • committed by Richard Henderson
parent 17a406eec5
commit 8d855c89d1
3 changed files with 16 additions and 4 deletions
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1
target/nios2/helper.h
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@ -21,6 +21,7 @@
DEF_HELPER_FLAGS_2(raise_exception, TCG_CALL_NO_WG, noreturn, env, i32)
#if !defined(CONFIG_USER_ONLY)
DEF_HELPER_3(eret, noreturn, env, i32, i32)
DEF_HELPER_2(mmu_write_tlbacc, void, env, i32)
DEF_HELPER_2(mmu_write_tlbmisc, void, env, i32)
DEF_HELPER_2(mmu_write_pteaddr, void, env, i32)