X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/bfd6b9d73e44db0b171b323c6f175238b3b493b2..93f85923e9ebb41b33223df0f07adc8afbdaa34a:/target/linux/generic-2.6/patches-2.6.30/025-mips_disable_fpu.patch diff --git a/target/linux/generic-2.6/patches-2.6.30/025-mips_disable_fpu.patch b/target/linux/generic-2.6/patches-2.6.30/025-mips_disable_fpu.patch index eb6c6e13d..47ff7073d 100644 --- a/target/linux/generic-2.6/patches-2.6.30/025-mips_disable_fpu.patch +++ b/target/linux/generic-2.6/patches-2.6.30/025-mips_disable_fpu.patch @@ -6,17 +6,15 @@ precious blocks on an embedded system. Signed-off-by: Florian Fainelli -- -Index: linux-2.6.30.7/arch/mips/Kconfig -=================================================================== ---- linux-2.6.30.7.orig/arch/mips/Kconfig 2009-09-28 08:21:26.000000000 +0200 -+++ linux-2.6.30.7/arch/mips/Kconfig 2009-09-28 08:21:31.000000000 +0200 -@@ -791,6 +791,17 @@ +--- a/arch/mips/Kconfig ++++ b/arch/mips/Kconfig +@@ -791,6 +791,17 @@ config I8259 config MIPS_BONITO64 bool +config MIPS_FPU_EMU -+ bool -+ default n ++ bool "Enable FPU emulation" ++ default y + help + This option allows building a kernel with or without the Algorithmics + FPU emulator enabled. Turning off this option results in a kernel which @@ -28,10 +26,8 @@ Index: linux-2.6.30.7/arch/mips/Kconfig config MIPS_MSC bool -Index: linux-2.6.30.7/arch/mips/math-emu/Makefile -=================================================================== ---- linux-2.6.30.7.orig/arch/mips/math-emu/Makefile 2009-09-28 08:21:26.000000000 +0200 -+++ linux-2.6.30.7/arch/mips/math-emu/Makefile 2009-09-28 08:21:31.000000000 +0200 +--- a/arch/mips/math-emu/Makefile ++++ b/arch/mips/math-emu/Makefile @@ -2,12 +2,14 @@ # Makefile for the Linux/MIPS kernel FPU emulation. # @@ -49,10 +45,8 @@ Index: linux-2.6.30.7/arch/mips/math-emu/Makefile + dp_sqrt.o sp_sqrt.o EXTRA_CFLAGS += -Werror -Index: linux-2.6.30.7/arch/mips/math-emu/cp1emu.c -=================================================================== ---- linux-2.6.30.7.orig/arch/mips/math-emu/cp1emu.c 2009-09-28 08:21:26.000000000 +0200 -+++ linux-2.6.30.7/arch/mips/math-emu/cp1emu.c 2009-09-28 08:21:31.000000000 +0200 +--- a/arch/mips/math-emu/cp1emu.c ++++ b/arch/mips/math-emu/cp1emu.c @@ -56,6 +56,12 @@ #endif #define __mips 4 @@ -66,7 +60,7 @@ Index: linux-2.6.30.7/arch/mips/math-emu/cp1emu.c /* Function which emulates a floating point instruction. */ static int fpu_emu(struct pt_regs *, struct mips_fpu_struct *, -@@ -66,10 +72,6 @@ +@@ -66,10 +72,6 @@ static int fpux_emu(struct pt_regs *, struct mips_fpu_struct *, mips_instruction); #endif @@ -77,7 +71,7 @@ Index: linux-2.6.30.7/arch/mips/math-emu/cp1emu.c /* Control registers */ #define FPCREG_RID 0 /* $0 = revision id */ -@@ -1273,6 +1275,13 @@ +@@ -1273,6 +1275,13 @@ int fpu_emulator_cop1Handler(struct pt_r return sig; } @@ -91,11 +85,9 @@ Index: linux-2.6.30.7/arch/mips/math-emu/cp1emu.c #ifdef CONFIG_DEBUG_FS extern struct dentry *mips_debugfs_dir; -Index: linux-2.6.30.7/arch/mips/math-emu/dsemul.c -=================================================================== ---- linux-2.6.30.7.orig/arch/mips/math-emu/dsemul.c 2009-09-28 08:21:26.000000000 +0200 -+++ linux-2.6.30.7/arch/mips/math-emu/dsemul.c 2009-09-28 08:21:31.000000000 +0200 -@@ -109,6 +109,7 @@ +--- a/arch/mips/math-emu/dsemul.c ++++ b/arch/mips/math-emu/dsemul.c +@@ -109,6 +109,7 @@ int mips_dsemul(struct pt_regs *regs, mi return SIGILL; /* force out of emulation loop */ } @@ -103,7 +95,7 @@ Index: linux-2.6.30.7/arch/mips/math-emu/dsemul.c int do_dsemulret(struct pt_regs *xcp) { struct emuframe __user *fr; -@@ -165,3 +166,9 @@ +@@ -165,3 +166,9 @@ int do_dsemulret(struct pt_regs *xcp) return 1; } @@ -113,10 +105,8 @@ Index: linux-2.6.30.7/arch/mips/math-emu/dsemul.c + return 0; +} +#endif /* CONFIG_MIPS_FPU_EMU */ -Index: linux-2.6.30.7/arch/mips/math-emu/kernel_linkage.c -=================================================================== ---- linux-2.6.30.7.orig/arch/mips/math-emu/kernel_linkage.c 2009-09-28 08:21:26.000000000 +0200 -+++ linux-2.6.30.7/arch/mips/math-emu/kernel_linkage.c 2009-09-28 08:22:36.000000000 +0200 +--- a/arch/mips/math-emu/kernel_linkage.c ++++ b/arch/mips/math-emu/kernel_linkage.c @@ -29,6 +29,7 @@ #define SIGNALLING_NAN 0x7ff800007ff80000LL @@ -125,7 +115,7 @@ Index: linux-2.6.30.7/arch/mips/math-emu/kernel_linkage.c void fpu_emulator_init_fpu(void) { static int first = 1; -@@ -112,4 +113,36 @@ +@@ -112,4 +113,36 @@ int fpu_emulator_restore_context32(struc return err; }