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[Qemu-devel] [PULL v5 42/46] elf: Don't check FCR31_NAN2008 bit for nano
From: |
Aleksandar Markovic |
Subject: |
[Qemu-devel] [PULL v5 42/46] elf: Don't check FCR31_NAN2008 bit for nanoMIPS |
Date: |
Thu, 23 Aug 2018 16:18:57 +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] [PULL v5 08/46] target/mips: Add emulation of nanoMIPS 16-bit branch instructions, (continued)
- [Qemu-devel] [PULL v5 08/46] target/mips: Add emulation of nanoMIPS 16-bit branch instructions, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 12/46] target/mips: Add emulation of nanoMIPS 16-bit logic instructions, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 11/46] target/mips: Add emulation of nanoMIPS 16-bit load and store instructions, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 22/46] target/mips: Implement emulation of nanoMIPS EXTW instruction, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 35/46] target/mips: Add availability control via bit NMS, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 24/46] target/mips: Add CP0 Config3 and Config5 fields to DisasContext structure, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 05/46] target/mips: Add placeholder and invocation of decode_nanomips_opc(), Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 30/46] target/mips: Add emulation of DSP ASE for nanoMIPS - part 2, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 21/46] target/mips: Implement emulation of nanoMIPS ROTX instruction, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 16/46] target/mips: Add emulation of nanoMIPS 48-bit instructions, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 42/46] elf: Don't check FCR31_NAN2008 bit for nanoMIPS,
Aleksandar Markovic <=
- [Qemu-devel] [PULL v5 02/46] target/mips: Add nanoMIPS base instruction set opcodes, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 15/46] target/mips: Add emulation of nanoMIPS instructions MOVE.P and MOVE.PREV, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 23/46] target/mips: Add emulation of nanoMIPS 32-bit load and store instructions, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 20/46] target/mips: Add emulation of misc nanoMIPS instructions (p_lsx), Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 31/46] target/mips: Add emulation of DSP ASE for nanoMIPS - part 3, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 45/46] mips_malta: Fix semihosting argument passing for nanoMIPS bare metal, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 38/46] target/mips: Fix ERET/ERETNC behavior related to ADEL exception, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 32/46] target/mips: Add emulation of DSP ASE for nanoMIPS - part 4, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 26/46] target/mips: Add emulation of nanoMIPS 32-bit branch instructions, Aleksandar Markovic, 2018/08/23
- [Qemu-devel] [PULL v5 34/46] target/mips: Add emulation of DSP ASE for nanoMIPS - part 6, Aleksandar Markovic, 2018/08/23