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[Qemu-devel] [PATCH v4 29/55] target/mips: Adjust exception_resume_pc()
From: |
Aleksandar Markovic |
Subject: |
[Qemu-devel] [PATCH v4 29/55] target/mips: Adjust exception_resume_pc() for nanoMIPS |
Date: |
Tue, 24 Jul 2018 19:31:41 +0200 |
From: James Hogan <address@hidden>
We shouldn't set the ISA bit in CP0_EPC for nanoMIPS.
Signed-off-by: James Hogan <address@hidden>
Signed-off-by: Yongbok Kim <address@hidden>
Signed-off-by: Aleksandar Markovic <address@hidden>
Signed-off-by: Stefan Markovic <address@hidden>
---
target/mips/helper.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/target/mips/helper.c b/target/mips/helper.c
index a576fa4..371fecf 100644
--- a/target/mips/helper.c
+++ b/target/mips/helper.c
@@ -656,7 +656,8 @@ target_ulong exception_resume_pc (CPUMIPSState *env)
target_ulong bad_pc;
target_ulong isa_mode;
- isa_mode = !!(env->hflags & MIPS_HFLAG_M16);
+ isa_mode = env->hflags & MIPS_HFLAG_M16 &&
+ !(env->insn_flags & ISA_NANOMIPS32);
bad_pc = env->active_tc.PC | isa_mode;
if (env->hflags & MIPS_HFLAG_BMASK) {
/* If the exception was raised from a delay slot, come back to
--
2.7.4
- [Qemu-devel] [PATCH v4 19/55] target/mips: Add emulation of nanoMIPS branch instructions, (continued)
- [Qemu-devel] [PATCH v4 19/55] target/mips: Add emulation of nanoMIPS branch instructions, Aleksandar Markovic, 2018/07/24
- [Qemu-devel] [PATCH v4 20/55] target/mips: Implement MT ASE support for nanoMIPS, Aleksandar Markovic, 2018/07/24
- [Qemu-devel] [PATCH v4 21/55] target/mips: Add emulation of DSP ASE for nanoMIPS - part 1, Aleksandar Markovic, 2018/07/24
- [Qemu-devel] [PATCH v4 22/55] target/mips: Add emulation of DSP ASE for nanoMIPS - part 2, Aleksandar Markovic, 2018/07/24
- [Qemu-devel] [PATCH v4 23/55] target/mips: Add emulation of DSP ASE for nanoMIPS - part 3, Aleksandar Markovic, 2018/07/24
- [Qemu-devel] [PATCH v4 24/55] target/mips: Add handling of branch delay slots for nanoMIPS, Aleksandar Markovic, 2018/07/24
- [Qemu-devel] [PATCH v4 25/55] target/mips: Implement emulation of nanoMIPS LLWP/SCWP pair, Aleksandar Markovic, 2018/07/24
- [Qemu-devel] [PATCH v4 26/55] target/mips: Add updating BadInstr, BadInstrP, BadInstrX for nanoMIPS, Aleksandar Markovic, 2018/07/24
- [Qemu-devel] [PATCH v4 27/55] target/mips: Implement CP0 Config0.WR bit functionality, Aleksandar Markovic, 2018/07/24
- [Qemu-devel] [PATCH v4 28/55] target/mips: Adjust behavior of Config3's ISAOnExc bit for nanoMIPS, Aleksandar Markovic, 2018/07/24
- [Qemu-devel] [PATCH v4 29/55] target/mips: Adjust exception_resume_pc() for nanoMIPS,
Aleksandar Markovic <=
- [Qemu-devel] [PATCH v4 30/55] target/mips: Adjust set_hflags_for_handler() for nanoMIPS, Aleksandar Markovic, 2018/07/24
- [Qemu-devel] [PATCH v4 31/55] target/mips: Adjust set_pc() for nanoMIPS, Aleksandar Markovic, 2018/07/24
- [Qemu-devel] [PATCH v4 32/55] target/mips: Fix ERET/ERETNC behavior related to ADEL exception, Aleksandar Markovic, 2018/07/24
- [Qemu-devel] [PATCH v4 33/55] elf: Add nanoMIPS specific variations in ELF header fields, Aleksandar Markovic, 2018/07/24
- [Qemu-devel] [PATCH v4 34/55] elf: Relax MIPS' elf_check_arch() to accept EM_NANOMIPS too, Aleksandar Markovic, 2018/07/24
- [Qemu-devel] [PATCH v4 35/55] elf: Don't check FCR31_NAN2008 bit for nanoMIPS, Aleksandar Markovic, 2018/07/24
- [Qemu-devel] [PATCH v4 36/55] mips_malta: Add basic nanoMIPS boot code for MIPS' Malta, Aleksandar Markovic, 2018/07/24
- [Qemu-devel] [PATCH v4 37/55] mips_malta: Setup GT64120 BARs in nanoMIPS bootloader, Aleksandar Markovic, 2018/07/24
- [Qemu-devel] [PATCH v4 38/55] mips_malta: Fix semihosting argument passing for nanoMIPS bare metal, Aleksandar Markovic, 2018/07/24
- [Qemu-devel] [PATCH v4 39/55] gdbstub: Disable handling of nanoMIPS ISA bit in the MIPS gdbstub, Aleksandar Markovic, 2018/07/24