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[Qemu-devel] [PATCH v4 28/55] target/mips: Adjust behavior of Config3's
From: |
Aleksandar Markovic |
Subject: |
[Qemu-devel] [PATCH v4 28/55] target/mips: Adjust behavior of Config3's ISAOnExc bit for nanoMIPS |
Date: |
Tue, 24 Jul 2018 19:31:40 +0200 |
From: Yongbok Kim <address@hidden>
Config3.ISAOnExc is read only in nanoMIPS.
Signed-off-by: Yongbok Kim <address@hidden>
Signed-off-by: Aleksandar Markovic <address@hidden>
Signed-off-by: Stefan Markovic <address@hidden>
---
target/mips/op_helper.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/target/mips/op_helper.c b/target/mips/op_helper.c
index cb83b6d..5e10286 100644
--- a/target/mips/op_helper.c
+++ b/target/mips/op_helper.c
@@ -1730,7 +1730,8 @@ void helper_mtc0_config2(CPUMIPSState *env, target_ulong
arg1)
void helper_mtc0_config3(CPUMIPSState *env, target_ulong arg1)
{
- if (env->insn_flags & ASE_MICROMIPS) {
+ if ((env->insn_flags & ASE_MICROMIPS) &&
+ !(env->insn_flags & ISA_NANOMIPS32)) {
env->CP0_Config3 = (env->CP0_Config3 & ~(1 << CP0C3_ISA_ON_EXC)) |
(arg1 & (1 << CP0C3_ISA_ON_EXC));
}
--
2.7.4
- [Qemu-devel] [PATCH v4 18/55] target/mips: Add emulation of nanoMIPS 32-bit load and store instructions, (continued)
- [Qemu-devel] [PATCH v4 18/55] target/mips: Add emulation of nanoMIPS 32-bit load and store instructions, Aleksandar Markovic, 2018/07/24
- [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 <=
- [Qemu-devel] [PATCH v4 29/55] target/mips: Adjust exception_resume_pc() for nanoMIPS, Aleksandar Markovic, 2018/07/24
- [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