From: Helge Deller <deller@kernel.org>
To: qemu-devel@nongnu.org
Cc: "Laurent Vivier" <laurent@vivier.eu>,
"Aleksandar Rikalo" <arikalo@gmail.com>,
"Philippe Mathieu-Daudé" <philmd@oss.qualcomm.com>,
"Helge Deller" <deller@gmx.de>,
"Jiaxun Yang" <jiaxun.yang@flygoat.com>,
"Aurelien Jarno" <aurelien@aurel32.net>,
"Pierrick Bouvier" <pierrick.bouvier@oss.qualcomm.com>
Subject: [PULL 4/5] target/mips: fix Loongson-3A4000 definition to have abs2008 and nan2008
Date: Sun, 4 Oct 2026 13:43:09 +0200 [thread overview]
Message-ID: <20261004114311.3874-5-deller@kernel.org> (raw)
In-Reply-To: <20261004114311.3874-1-deller@kernel.org>
From: Alex Rønne Petersen <alex@alexrp.com>
Checked on a Loongson 3B4000; this uarch operates in 2008 mode.
Signed-off-by: Alex Rønne Petersen <alex@alexrp.com>
Signed-off-by: Helge Deller <deller@gmx.de>
---
target/mips/cpu-defs.c.inc | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/target/mips/cpu-defs.c.inc b/target/mips/cpu-defs.c.inc
index cc1916232f..b2ddfa1e82 100644
--- a/target/mips/cpu-defs.c.inc
+++ b/target/mips/cpu-defs.c.inc
@@ -941,8 +941,8 @@ const mips_def_t mips_defs[] =
(1 << CP0PG_ELPA) | (1 << CP0PG_IEC),
.CP1_fcr0 = (0x5 << FCR0_PRID) | (0x1 << FCR0_REV) | (0x1 << FCR0_F64) |
(0x1 << FCR0_PS) | (0x1 << FCR0_L) | (0x1 << FCR0_W) |
- (0x1 << FCR0_D) | (0x1 << FCR0_S),
- .CP1_fcr31 = 0,
+ (0x1 << FCR0_D) | (0x1 << FCR0_S) | (0x1 << FCR0_HAS2008),
+ .CP1_fcr31 = (1 << FCR31_ABS2008) | (1 << FCR31_NAN2008),
.CP1_fcr31_rw_bitmask = 0xFF83FFFF,
.MSAIR = (0x01 << MSAIR_ProcID) | (0x40 << MSAIR_Rev),
.lcsr_cpucfg1 = (1 << CPUCFG1_FP) | (2 << CPUCFG1_FPREV) |
--
2.54.0
next prev parent reply other threads:[~2026-10-04 11:44 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-04 11:43 [PULL 0/5] Linux user next patches Helge Deller
2026-10-04 11:43 ` [PULL 1/5] linux-user: add elf_core_eflags() hook for core dump e_flags Helge Deller
2026-10-04 11:43 ` [PULL 2/5] linux-user/mips64: set EF_MIPS_ABI2 in mipsn32 core dumps Helge Deller
2026-10-04 11:43 ` [PULL 3/5] linux-user/riscv: copy the executable's e_flags into " Helge Deller
2026-10-04 11:43 ` Helge Deller [this message]
2026-10-04 11:43 ` [PULL 5/5] linux-user/mips: pick Loongson-3A4000 if a pre-r6 mips64 binary needs nan2008 Helge Deller
2026-10-06 9:24 ` [PULL 0/5] Linux user next patches Richard Henderson
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