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* MIPS: KVM: Don't hardcode restored HWREnaJames Hogan2016-06-15
| | | | | | | | | | | | | | | | | | KVM modifies CP0_HWREna during guest execution so it can trap and emulate RDHWR instructions, however it always restores the hardcoded value 0x2000000F. This assumes the presence of the UserLocal register, and the absence of any implementation dependent or future HW registers. Fix by exporting the value that traps.c write into CP0_HWREna, and loading from there instead of hard coding. Signed-off-by: James Hogan <james.hogan@imgtec.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Radim Krčmář <rkrcmar@redhat.com> Cc: linux-mips@linux-mips.org Cc: kvm@vger.kernel.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* MIPS: Add 8250/16550 serial early printk driverYoichi Yuasa2013-10-29
| | | | | | | Signed-off-by: Yoichi Yuasa <yuasa@linux-mips.org> Cc: linux-mips <linux-mips@linux-mips.org> Patchwork: https://patchwork.linux-mips.org/patch/947/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* UAPI: (Scripted) Disintegrate arch/mips/include/asmDavid Howells2012-10-09
| | | | | | | | | Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
* MIPS: Move cache setup to setup_arch().David Daney2012-05-16
| | | | | | | | | | | | | | | | commit 97ce2c88f9ad42e3c60a9beb9fca87abf3639faa (jump-label: initialize jump-label subsystem much earlier) breaks MIPS. The jump_label_init() call was moved before trap_init() which is where we initialize flush_icache_range(). In order to be good citizens, we move cache initialization earlier so that we don't jump through a null flush_icache_range function pointer when doing the jump label initialization. Signed-off-by: David Daney <david.daney@cavium.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3822/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* Disintegrate asm/system.h for MIPSDavid Howells2012-03-28
| | | | | | | | Disintegrate asm/system.h for MIPS. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Ralf Baechle <ralf@linux-mips.org> cc: linux-mips@linux-mips.org
* MIPS: Extend COMMAND_LINE_SIZERalf Baechle2009-11-02
| | | | | | Some firmware may pass well over 256 bytes these days. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
* MIPS: Move headfiles to new location below arch/mips/includeRalf Baechle2008-10-11
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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