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[Qemu-devel] [PATCH v8 60/87] elf: Don't check FCR31_NAN2008 bit for nan
From: |
Aleksandar Markovic |
Subject: |
[Qemu-devel] [PATCH v8 60/87] elf: Don't check FCR31_NAN2008 bit for nanoMIPS |
Date: |
Mon, 13 Aug 2018 19:53:25 +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 v8 42/87] target/mips: Implement emulation of nanoMIPS LLWP/SCWP pair, (continued)
- [Qemu-devel] [PATCH v8 42/87] target/mips: Implement emulation of nanoMIPS LLWP/SCWP pair, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 63/87] mips_malta: Add setting up GT64120 BARs to the nanoMIPS bootloader, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 83/87] linux-user: Add nanoMIPS linux user mode configuration support, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 77/87] linux-user: Add signal.c for nanoMIPS, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 15/87] elf: Remove duplicate preprocessor constant definition, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 58/87] elf: Add EM_NANOMIPS value as a valid one for e_machine field, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 75/87] linux-user: Add target_structs.h header for nanoMIPS, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 74/87] linux-user: Add target_cpu.h header for nanoMIPS, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 60/87] elf: Don't check FCR31_NAN2008 bit for nanoMIPS,
Aleksandar Markovic <=
- [Qemu-devel] [PATCH v8 71/87] linux-user: Add target_fcntl.h header for nanoMIPS, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 80/87] linux-user: Amend support for sigaction() syscall for nanoMIPS, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 70/87] linux-user: Update syscall_defs.h header for nanoMIPS, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 81/87] linux-user: Add support for statx() syscall for all platforms, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 73/87] linux-user: Add target_syscall.h header for nanoMIPS, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 85/87] gdbstub: Disable handling of nanoMIPS ISA bit in the MIPS gdbstub, Aleksandar Markovic, 2018/08/13
- [Qemu-devel] [PATCH v8 67/87] linux-user: Add syscall numbers for nanoMIPS, Aleksandar Markovic, 2018/08/13