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[Qemu-devel] [PATCH v9 52/84] target/mips: Adjust set_hflags_for_handler
From: |
Aleksandar Markovic |
Subject: |
[Qemu-devel] [PATCH v9 52/84] target/mips: Adjust set_hflags_for_handler() for nanoMIPS |
Date: |
Thu, 16 Aug 2018 16:57:45 +0200 |
From: James Hogan <address@hidden>
We shouldn't clear M16 mode when entering an interrupt on nanoMIPS,
otherwise we'll start interpreting the code as normal MIPS code.
Reviewed-by: Aleksandar Markovic <address@hidden>
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, 3 insertions(+)
diff --git a/target/mips/helper.c b/target/mips/helper.c
index b429671..0c15e65 100644
--- a/target/mips/helper.c
+++ b/target/mips/helper.c
@@ -671,6 +671,9 @@ target_ulong exception_resume_pc (CPUMIPSState *env)
#if !defined(CONFIG_USER_ONLY)
static void set_hflags_for_handler (CPUMIPSState *env)
{
+ if (env->insn_flags & ISA_NANOMIPS32) {
+ return;
+ }
/* Exception handlers are entered in 32-bit mode. */
env->hflags &= ~(MIPS_HFLAG_M16);
/* ...except that microMIPS lets you choose. */
--
2.7.4
- [Qemu-devel] [PATCH v9 68/84] linux-user: Add target_fcntl.h header for nanoMIPS, (continued)
- [Qemu-devel] [PATCH v9 68/84] linux-user: Add target_fcntl.h header for nanoMIPS, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 63/84] elf: Add nanoMIPS specific variations in ELF header fields, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 67/84] linux-user: Update syscall_defs.h header for nanoMIPS, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 71/84] linux-user: Add target_cpu.h header for nanoMIPS, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 66/84] linux-user: Add termbits.h header for nanoMIPS, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 53/84] target/mips: Adjust set_pc() for nanoMIPS, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 56/84] elf: Relax MIPS' elf_check_arch() to accept EM_NANOMIPS too, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 64/84] linux-user: Add syscall numbers for nanoMIPS, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 70/84] linux-user: Add target_syscall.h header for nanoMIPS, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 73/84] linux-user: Add target_elf.h header for nanoMIPS, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 52/84] target/mips: Adjust set_hflags_for_handler() for nanoMIPS,
Aleksandar Markovic <=
- [Qemu-devel] [PATCH v9 59/84] mips_malta: Add basic nanoMIPS boot code for Malta board, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 69/84] linux-user: Add sockbits.h header for nanoMIPS, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 76/84] linux-user: Add cpu_loop.c for nanoMIPS, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 82/84] gdbstub: Disable handling of nanoMIPS ISA bit in the MIPS gdbstub, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 83/84] gdbstub: Add XML support for GDB for nanoMIPS, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 57/84] elf: Don't check FCR31_NAN2008 bit for nanoMIPS, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 80/84] linux-user: Add nanoMIPS linux user mode configuration support, Aleksandar Markovic, 2018/08/16
- [Qemu-devel] [PATCH v9 47/84] target/mips: Add emulation of DSP ASE for nanoMIPS - part 6, Aleksandar Markovic, 2018/08/16