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[Qemu-devel] [PATCH v10 39/65] elf: Don't check FCR31_NAN2008 bit for na
From: |
Aleksandar Markovic |
Subject: |
[Qemu-devel] [PATCH v10 39/65] elf: Don't check FCR31_NAN2008 bit for nanoMIPS |
Date: |
Fri, 17 Aug 2018 16:03:27 +0200 |
From: Aleksandar Markovic <address@hidden>
nanoMIPS is always NaN2008 compliant, and rules for checking
FCR31's NAN2008 bit are obsoleted.
Reviewed-by: Richard Henderson <address@hidden>
Signed-off-by: Aleksandar Markovic <address@hidden>
Signed-off-by: Stefan Markovic <address@hidden>
---
linux-user/mips/cpu_loop.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/linux-user/mips/cpu_loop.c b/linux-user/mips/cpu_loop.c
index 1d3dc9e..c9c20cf 100644
--- a/linux-user/mips/cpu_loop.c
+++ b/linux-user/mips/cpu_loop.c
@@ -747,6 +747,9 @@ void target_cpu_copy_regs(CPUArchState *env, struct
target_pt_regs *regs)
if (regs->cp0_epc & 1) {
env->hflags |= MIPS_HFLAG_M16;
}
+ if (env->insn_flags & ISA_NANOMIPS32) {
+ return;
+ }
if (((info->elf_flags & EF_MIPS_NAN2008) != 0) !=
((env->active_fpu.fcr31 & (1 << FCR31_NAN2008)) != 0)) {
if ((env->active_fpu.fcr31_rw_bitmask &
--
2.7.4
- [Qemu-devel] [PATCH v10 08/65] target/mips: Add emulation of nanoMIPS 16-bit shift instructions, (continued)
- [Qemu-devel] [PATCH v10 08/65] target/mips: Add emulation of nanoMIPS 16-bit shift instructions, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 12/65] target/mips: Add emulation of nanoMIPS 16-bit save and restore instructions, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 18/65] target/mips: Add emulation of misc nanoMIPS instructions (pool32axf), Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 19/65] target/mips: Add emulation of misc nanoMIPS instructions (p_lsx), Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 29/65] target/mips: Add emulation of DSP ASE for nanoMIPS - part 3, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 26/65] target/mips: Implement MT ASE support for nanoMIPS, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 50/65] linux-user: Add sockbits.h header for nanoMIPS, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 31/65] target/mips: Add emulation of DSP ASE for nanoMIPS - part 5, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 53/65] linux-user: Add target_structs.h header for nanoMIPS, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 37/65] elf: Relax MIPS' elf_check_arch() to accept EM_NANOMIPS too, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 39/65] elf: Don't check FCR31_NAN2008 bit for nanoMIPS,
Aleksandar Markovic <=
- [Qemu-devel] [PATCH v10 52/65] linux-user: Add target_cpu.h header for nanoMIPS, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 34/65] target/mips: Add updating BadInstr and BadInstrX for nanoMIPS, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 46/65] linux-user: Add target_signal.h header for nanoMIPS, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 49/65] linux-user: Add target_fcntl.h header for nanoMIPS, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 48/65] linux-user: Update syscall_defs.h header for nanoMIPS, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 16/65] target/mips: Add emulation of nanoMIPS FP instructions, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 27/65] target/mips: Add emulation of DSP ASE for nanoMIPS - part 1, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 38/65] elf: On elf loading, treat both EM_MIPS and EM_NANOMIPS as legal for MIPS, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 35/65] target/mips: Fix ERET/ERETNC behavior related to ADEL exception, Aleksandar Markovic, 2018/08/17
- [Qemu-devel] [PATCH v10 63/65] gdbstub: Disable handling of nanoMIPS ISA bit in the MIPS gdbstub, Aleksandar Markovic, 2018/08/17