Date: Sun, 21 Jun 2009 21:38:13 +0000 (UTC) From: Olivier Houchard <cognet@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r194609 - head/sys/arm/arm Message-ID: <200906212138.n5LLcDrp019222@svn.freebsd.org>
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Author: cognet Date: Sun Jun 21 21:38:12 2009 New Revision: 194609 URL: http://svn.freebsd.org/changeset/base/194609 Log: Disable write-back until I figure out what's wrong with it on the i81342. There's no need to disable the MMU once we're done inflating the kernel. Modified: head/sys/arm/arm/elf_trampoline.c Modified: head/sys/arm/arm/elf_trampoline.c ============================================================================== --- head/sys/arm/arm/elf_trampoline.c Sun Jun 21 21:04:12 2009 (r194608) +++ head/sys/arm/arm/elf_trampoline.c Sun Jun 21 21:38:12 2009 (r194609) @@ -550,7 +550,7 @@ setup_pagetables(unsigned int pt_addr, v for (addr = physstart; addr < physend; addr += L1_S_SIZE) { pd[addr >> L1_S_SHIFT] = L1_TYPE_S|L1_S_C|L1_S_AP(AP_KRW)| L1_S_DOM(PMAP_DOMAIN_KERNEL) | addr; - if (write_back) + if (write_back && 0) pd[addr >> L1_S_SHIFT] |= L1_S_B; } /* XXX: See below */ @@ -610,12 +610,6 @@ __start(void) (unsigned int)&func_end + 800 , 0); if (altdst > dst) dst = altdst; - cpu_idcache_wbinv_all(); - cpu_l2cache_wbinv_all(); - __asm __volatile("mrc p15, 0, %0, c1, c0, 0\n" - "bic %0, %0, #1\n" /* MMU_ENABLE */ - "mcr p15, 0, %0, c1, c0, 0\n" - : "=r" (pt_addr)); } else #endif dst = 4 + load_kernel((unsigned int)&kernel_start,
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