Rev 1884 – Unfortunatelly, the sparc64's FPRS register is writable by non-privileged software ...

jermar — Wed, 13 Sep 2006 16:23:22 +0200

jermar – 1 file(s) modified
Unfortunatelly, the sparc64's FPRS register is writable by non-privileged software
so we cannot save only half of the FPU context depending on FPRS dirty bits.
Instead, we must save the entire FPU register file.

~ /trunk/kernel/arch/sparc64/src/fpu_context.c

Rev 1882 – Support for sparc64 FPU context.

jermar — Wed, 13 Sep 2006 15:16:30 +0200

jermar – 23 file(s) modified
Support for sparc64 FPU context.

~ /trunk/kernel/arch/amd64/include/arch.h
~ /trunk/kernel/arch/ia32/include/arch.h
~ /trunk/kernel/arch/ia64/include/arch.h
~ /trunk/kernel/arch/ia64/src/interrupt.c
~ /trunk/kernel/arch/mips32/include/arch.h
~ /trunk/kernel/arch/mips32/src/fpu_context.c
~ /trunk/kernel/arch/ppc32/include/arch.h
~ /trunk/kernel/arch/ppc64/include/arch.h
~ /trunk/kernel/arch/sparc64/include/asm.h
~ /trunk/kernel/arch/sparc64/include/fpu_context.h
~ /trunk/kernel/arch/sparc64/include/regdef.h
~ /trunk/kernel/arch/sparc64/include/register.h
~ /trunk/kernel/arch/sparc64/include/trap/exception.h
~ /trunk/kernel/arch/sparc64/Makefile.inc
~ /trunk/kernel/arch/sparc64/src/asm.S
~ /trunk/kernel/arch/sparc64/src/dummy.s
+ /trunk/kernel/arch/sparc64/src/fpu_context.c
~ /trunk/kernel/arch/sparc64/src/trap/exception.c
~ /trunk/kernel/arch/sparc64/src/trap/trap_table.S
~ /trunk/kernel/generic/include/fpu_context.h
~ /trunk/kernel/generic/src/proc/scheduler.c
~ /trunk/kernel/kernel.config
~ /trunk/kernel/test/fpu/fpu1/test.c

HelenOS – //trunk/kernel/arch/sparc64/src/fpu_context.c

Rev 1884 – Unfortunatelly, the sparc64's FPRS register is writable by non-privileged software ...

Rev 1882 – Support for sparc64 FPU context.