diff --git a/src/target/mips32_pracc.c b/src/target/mips32_pracc.c index 9f0d87cd9..db50ef928 100644 --- a/src/target/mips32_pracc.c +++ b/src/target/mips32_pracc.c @@ -842,12 +842,12 @@ int mips32_pracc_write_regs(struct mips32_common *mips32) }; uint32_t cp0_write_data[] = { + /* status */ + c0rs[0], /* lo */ gprs[32], /* hi */ gprs[33], - /* status */ - c0rs[0], /* badvaddr */ c0rs[1], /* cause */ @@ -856,6 +856,9 @@ int mips32_pracc_write_regs(struct mips32_common *mips32) c0rs[3], }; + /* Write CP0 Status Register first, changes on EXL or ERL bits + * may lead to different behaviour on writing to other CP0 registers. + */ for (size_t i = 0; i < ARRAY_SIZE(cp0_write_code); i++) { /* load CP0 value in $1 */ pracc_add_li32(&ctx, 1, cp0_write_data[i], 0);