From 23946ef1658dc7f3d8e2fbdbb2110b4cc4267654 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Thu, 13 Jun 2013 12:32:32 +0200 Subject: MIPS: Move gas macro MAPPED_KERNEL_SETUP_TLB to IP27-specific code. It's IP27-specific and can only cause trouble in head.S. Signed-off-by: Ralf Baechle --- arch/mips/kernel/head.S | 39 --------------------------------------- 1 file changed, 39 deletions(-) (limited to 'arch/mips/kernel/head.S') diff --git a/arch/mips/kernel/head.S b/arch/mips/kernel/head.S index c61cdaed2b1d..099912324423 100644 --- a/arch/mips/kernel/head.S +++ b/arch/mips/kernel/head.S @@ -27,45 +27,6 @@ #include - /* - * inputs are the text nasid in t1, data nasid in t2. - */ - .macro MAPPED_KERNEL_SETUP_TLB -#ifdef CONFIG_MAPPED_KERNEL - /* - * This needs to read the nasid - assume 0 for now. - * Drop in 0xffffffffc0000000 in tlbhi, 0+VG in tlblo_0, - * 0+DVG in tlblo_1. - */ - dli t0, 0xffffffffc0000000 - dmtc0 t0, CP0_ENTRYHI - li t0, 0x1c000 # Offset of text into node memory - dsll t1, NASID_SHFT # Shift text nasid into place - dsll t2, NASID_SHFT # Same for data nasid - or t1, t1, t0 # Physical load address of kernel text - or t2, t2, t0 # Physical load address of kernel data - dsrl t1, 12 # 4K pfn - dsrl t2, 12 # 4K pfn - dsll t1, 6 # Get pfn into place - dsll t2, 6 # Get pfn into place - li t0, ((_PAGE_GLOBAL|_PAGE_VALID| _CACHE_CACHABLE_COW) >> 6) - or t0, t0, t1 - mtc0 t0, CP0_ENTRYLO0 # physaddr, VG, cach exlwr - li t0, ((_PAGE_GLOBAL|_PAGE_VALID| _PAGE_DIRTY|_CACHE_CACHABLE_COW) >> 6) - or t0, t0, t2 - mtc0 t0, CP0_ENTRYLO1 # physaddr, DVG, cach exlwr - li t0, 0x1ffe000 # MAPPED_KERN_TLBMASK, TLBPGMASK_16M - mtc0 t0, CP0_PAGEMASK - li t0, 0 # KMAP_INX - mtc0 t0, CP0_INDEX - li t0, 1 - mtc0 t0, CP0_WIRED - tlbwi -#else - mtc0 zero, CP0_WIRED -#endif - .endm - /* * For the moment disable interrupts, mark the kernel mode and * set ST0_KX so that the CPU does not spit fire when using -- cgit