From 9843b030cc951bce4a4d9bec38b5155c96eb1740 Mon Sep 17 00:00:00 2001 From: Sanjay Lal Date: Wed, 21 Nov 2012 18:34:03 -0800 Subject: KVM/MIPS32: KVM Guest kernel support. Both Guest kernel and Guest Userspace execute in UM. The memory map is as follows: Guest User address space: 0x00000000 -> 0x40000000 Guest Kernel Unmapped: 0x40000000 -> 0x60000000 Guest Kernel Mapped: 0x60000000 -> 0x80000000 - Guest Usermode virtual memory is limited to 1GB. Signed-off-by: Sanjay Lal Cc: kvm@vger.kernel.org Cc: linux-mips@linux-mips.org Signed-off-by: Ralf Baechle --- arch/mips/include/asm/mach-generic/spaces.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'arch/mips/include/asm/mach-generic/spaces.h') diff --git a/arch/mips/include/asm/mach-generic/spaces.h b/arch/mips/include/asm/mach-generic/spaces.h index 73d717a75cb0..5b2f2e68e57f 100644 --- a/arch/mips/include/asm/mach-generic/spaces.h +++ b/arch/mips/include/asm/mach-generic/spaces.h @@ -20,14 +20,21 @@ #endif #ifdef CONFIG_32BIT - +#ifdef CONFIG_KVM_GUEST +#define CAC_BASE _AC(0x40000000, UL) +#else #define CAC_BASE _AC(0x80000000, UL) +#endif #define IO_BASE _AC(0xa0000000, UL) #define UNCAC_BASE _AC(0xa0000000, UL) #ifndef MAP_BASE +#ifdef CONFIG_KVM_GUEST +#define MAP_BASE _AC(0x60000000, UL) +#else #define MAP_BASE _AC(0xc0000000, UL) #endif +#endif /* * Memory above this physical address will be considered highmem. -- cgit v1.2.2