Date: Sun, 20 Feb 2005 07:17:44 GMT From: John-Mark Gurney <jmg@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 71365 for review Message-ID: <200502200717.j1K7Hiri001480@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=71365 Change 71365 by jmg@jmg_carbon on 2005/02/20 07:17:09 clean up a bunch of debugging printf's now that we are getting all the way to mi_startup, and trying to start init... we still have a problem with the I/D caches though... KDB: debugger backends: ddb KDB: current backend: ddb Copyright (c) 1992-2005 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD 6.0-CURRENT #82: Sat Feb 19 19:11:20 PST 2005 jmg@carbon.funkthat.com:/usr/home/jmg/p4/arm/src/sys/arm/compile/TS7200 Preloaded elf kernel "elf kernel" at 0xc04867cc. Old value: 207b, new value : 217b ARM920T rev 0 (ARM9TDMI core) DC disabled IC disabled WB enabled LABT16KB/32B 64-way Instruction cache 16KB/32B 64-way write-back-locking-A Data cache panic: free: address 0xc0ba6000(0xc0ba6000) has not been allocated. Affected files ... .. //depot/projects/arm/src/sys/arm/ep93xx/ts7200_machdep.c#2 edit Differences ... ==== //depot/projects/arm/src/sys/arm/ep93xx/ts7200_machdep.c#2 (text+ko) ==== @@ -217,13 +217,12 @@ int i = 0; uint32_t fake_preload[35]; uint32_t memsize = 32*1024*1024; /* XXX */ - int bla; boothowto |= RB_VERBOSE | RB_SINGLE; i = 0; set_cpufuncs(); cninit(); - printf("cninit called\n"); + fake_preload[i++] = MODINFO_NAME; fake_preload[i++] = strlen("elf kernel") + 1; strcpy((char*)&fake_preload[i++], "elf kernel"); @@ -243,13 +242,10 @@ preload_metadata = (void *)fake_preload; physmem = memsize / PAGE_SIZE; - printf("mem: %ld\n", physmem); pcpu_init(pcpup, 0, sizeof(struct pcpu)); PCPU_SET(curthread, &thread0); - printf("pcpu init done\n"); - physical_start = (vm_offset_t) SDRAM_START; physical_end = (vm_offset_t) &end + SDRAM_START - 0xc0000000; #define KERNEL_TEXT_BASE (KERNBASE + 0x00200000) @@ -281,14 +277,10 @@ kernel_pt_table[loop].pv_va = kernel_pt_table[loop].pv_pa + 0xc0000000; } - printf("kernel[%d], va: 0x%08x, pa: 0x%08x\n", loop, - kernel_pt_table[loop].pv_va, kernel_pt_table[loop].pv_pa); i++; } freemempos -= 2 * PAGE_SIZE; - printf("page table up\n"); - freemem_pt = freemempos; freemempos = 0x00100000; /* @@ -306,8 +298,6 @@ valloc_pages(minidataclean, 1); valloc_pages(msgbufpv, round_page(MSGBUF_SIZE) / PAGE_SIZE); - printf("stack setup\n"); - /* * Allocate memory for the l1 and l2 page tables. The scheme to avoid * wasting memory by allocating the l1pt on the first 16k memory was @@ -322,41 +312,29 @@ */ l1pagetable = kernel_l1pt.pv_pa; - printf("phys end: %d\n", physical_end); - printf("l1page, pt: %08x, va: %08x, pvaddr: %p\n", l1pagetable, - ARM_VECTORS_HIGH & ~(0x00100000 - 1), - &kernel_pt_table[KERNEL_PT_SYS]); - /* Map the L2 pages tables in the L1 page table */ pmap_link_l2pt(l1pagetable, ARM_VECTORS_HIGH & ~(0x00100000 - 1), &kernel_pt_table[KERNEL_PT_SYS]); - printf("linkl2pt\n"); for (i = 0; i < KERNEL_PT_KERNEL_NUM; i++) { pmap_link_l2pt(l1pagetable, KERNBASE + i * 0x00100000, &kernel_pt_table[KERNEL_PT_KERNEL + i]); } - printf("afterforkernelnum\n"); for (loop = 0; loop < KERNEL_PT_VMDATA_NUM; ++loop) pmap_link_l2pt(l1pagetable, KERNBASE + (i + loop) * 0x00100000, &kernel_pt_table[KERNEL_PT_VMDATA + loop]); - printf("afterforvmdata, freemempos: 0x%08x\n", freemempos); pmap_map_chunk(l1pagetable, KERNBASE, SDRAM_START, freemempos - 0x00000000 + 0x1000, VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE); - printf("pmapchunk a\n"); pmap_map_chunk(l1pagetable, KERNBASE + 0x100000, SDRAM_START + 0x100000, 0x100000, VM_PROT_READ|VM_PROT_WRITE, PTE_PAGETABLE); - printf("pmapchunk b\n"); + /* map the kernel into the page table */ pmap_map_chunk(l1pagetable, KERNBASE + 0x200000, SDRAM_START + 0x200000, - (((uint32_t)(&end) - KERNBASE - 0x200000) + L1_S_SIZE) & ~(L1_S_SIZE - 1), - VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE); - printf("pmapchunk c\n"); + (((uint32_t)(&end) - KERNBASE - 0x200000) + L1_S_SIZE) & + ~(L1_S_SIZE - 1), VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE); freemem_after = ((int)&end + PAGE_SIZE) & ~(PAGE_SIZE - 1); afterkern = round_page(((vm_offset_t)&end + L1_S_SIZE) & ~(L1_S_SIZE - 1)); - printf("another place\n"); - /* Map the stack pages */ #define alloc_afterkern(va, pa, size) \ va = freemem_after; \ @@ -405,33 +383,19 @@ pmap_map_chunk(l1pagetable, msgbufpv.pv_va, msgbufpv.pv_pa, MSGBUF_SIZE, VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE); - printf("after bunch of pmap's\n"); - /* Map the vector page. */ pmap_map_entry(l1pagetable, ARM_VECTORS_HIGH, systempage.pv_pa, VM_PROT_READ|VM_PROT_WRITE, PTE_CACHE); pmap_devmap_bootstrap(l1pagetable, tsarm_devmap); - printf("foo\n"); - cpu_domains((DOMAIN_CLIENT << (PMAP_DOMAIN_KERNEL*2)) | DOMAIN_CLIENT); - printf("bar\n"); - - __asm("mov %0, pc": "=r" (bla)); - printf("pc: %x\n", bla); - - setttb(kernel_l1pt.pv_va); + setttb(kernel_l1pt.pv_pa); - printf("baz\n"); - cpu_tlb_flushID(); - printf("bleh\n"); - cpu_domains(DOMAIN_CLIENT << (PMAP_DOMAIN_KERNEL*2)); - printf("XXX: MMU Enabled /o/\n"); /* * Pages were allocated during the secondary bootstrap for the * stacks for different CPU modes.
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