From 7cdae31d3a654d6487727809b27dd8e88874fd50 Mon Sep 17 00:00:00 2001 From: Tong Ho Date: Tue, 12 May 2020 16:36:49 +0200 Subject: [PATCH] target/microblaze: Add MFS Rd,EDR translation This is to fix cpu-abort with 'qemu: fatal: unknown mfs reg d' (in the default case) when microblaze guest issues 'MFS Rd,EDR' instruction. Since embeddedsw release 2019.2, XPlm_ExceptionHandler() issues the instruction on exception, and microblaze model aborts when PLM firmware guest encounters an exception. Signed-off-by: Tong Ho Reviewed-by: Edgar E. Iglesias Reviewed-by: Luc Michel Message-Id: <20200512143649.21655-2-edgar.iglesias@gmail.com> Signed-off-by: Edgar E. Iglesias --- target/microblaze/translate.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/microblaze/translate.c b/target/microblaze/translate.c index 20b7427811..92b3630804 100644 --- a/target/microblaze/translate.c +++ b/target/microblaze/translate.c @@ -581,6 +581,7 @@ static void dec_msr(DisasContext *dc) case SR_ESR: case SR_FSR: case SR_BTR: + case SR_EDR: tcg_gen_extrl_i64_i32(cpu_R[dc->rd], cpu_SR[sr]); break; case 0x800: