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[Qemu-devel] [PATCH v6 54/77] elf: Don't check FCR31_NAN2008 bit for nan
From: |
Stefan Markovic |
Subject: |
[Qemu-devel] [PATCH v6 54/77] elf: Don't check FCR31_NAN2008 bit for nanoMIPS |
Date: |
Thu, 2 Aug 2018 16:16:41 +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 &
--
1.9.1
- [Qemu-devel] [PATCH v6 44/77] target/mips: Add handling of branch delay slots for nanoMIPS, (continued)
- [Qemu-devel] [PATCH v6 44/77] target/mips: Add handling of branch delay slots for nanoMIPS, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 45/77] target/mips: Implement emulation of nanoMIPS LLWP/SCWP pair, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 46/77] target/mips: Add updating BadInstr, BadInstrP, BadInstrX for nanoMIPS, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 47/77] target/mips: Implement CP0 Config1.WR bit functionality, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 48/77] target/mips: Adjust exception_resume_pc() for nanoMIPS, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 49/77] target/mips: Adjust set_hflags_for_handler() for nanoMIPS, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 50/77] target/mips: Adjust set_pc() for nanoMIPS, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 51/77] target/mips: Fix ERET/ERETNC behavior related to ADEL exception, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 52/77] elf: Add nanoMIPS specific variations in ELF header fields, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 53/77] elf: Relax MIPS' elf_check_arch() to accept EM_NANOMIPS too, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 54/77] elf: Don't check FCR31_NAN2008 bit for nanoMIPS,
Stefan Markovic <=
- [Qemu-devel] [PATCH v6 55/77] mips_malta: Add basic nanoMIPS boot code for MIPS' Malta, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 56/77] mips_malta: Setup GT64120 BARs in nanoMIPS bootloader, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 57/77] mips_malta: Fix semihosting argument passing for nanoMIPS bare metal, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 58/77] gdbstub: Disable handling of nanoMIPS ISA bit in the MIPS gdbstub, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 59/77] gdbstub: Add XML support for GDB for nanoMIPS, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 60/77] target/mips: Add definition of nanoMIPS I7200 CPU, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 61/77] linux-user: Add syscall numbers for nanoMIPS, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 62/77] linux-user: Add target_signal.h header for nanoMIPS, Stefan Markovic, 2018/08/02
- [Qemu-devel] [PATCH v6 63/77] linux-user: Add termbits.h header for nanoMIPS, Stefan Markovic, 2018/08/02