diff options
| author | Daniel Jacobowitz <dan@debian.org> | 2005-01-20 19:59:54 -0500 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2006-02-07 13:30:25 +0000 |
| commit | 3d503753b40469b6a19dcc3511f6eb8c55f6d122 (patch) | |
| tree | e4c3f167c94633e2b10dede3ed80c2c03807c6ec /arch | |
| parent | e9feeb207e55373f718b33e0d6cb0c2f8b58f3c1 (diff) | |
| download | linux-3d503753b40469b6a19dcc3511f6eb8c55f6d122.tar.gz | |
[MIPS] Support /proc/kcore for MIPS
I'm pretty sure that the CKSEG0 bits are wrong, but I did need to
cover that region - because the SB-1 kernel links at 0xffffffff80100000
or so, disassembly and printing static variables don't work unless the
debugger can read that region.
Signed-off-by: Daniel Jacobowitz <dan@codesourcery.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/mm/init.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c index 4ee91c9a556fed..0ff9a348b84317 100644 --- a/arch/mips/mm/init.c +++ b/arch/mips/mm/init.c @@ -24,6 +24,7 @@ #include <linux/bootmem.h> #include <linux/highmem.h> #include <linux/swap.h> +#include <linux/proc_fs.h> #include <asm/bootinfo.h> #include <asm/cachectl.h> @@ -200,6 +201,11 @@ static inline int page_is_ram(unsigned long pagenr) return 0; } +static struct kcore_list kcore_mem, kcore_vmalloc; +#ifdef CONFIG_64BIT +static struct kcore_list kcore_kseg0; +#endif + void __init mem_init(void) { unsigned long codesize, reservedpages, datasize, initsize; @@ -249,6 +255,16 @@ void __init mem_init(void) datasize = (unsigned long) &_edata - (unsigned long) &_etext; initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; +#ifdef CONFIG_64BIT + if ((unsigned long) &_text > (unsigned long) CKSEG0) + /* The -4 is a hack so that user tools don't have to handle + the overflow. */ + kclist_add(&kcore_kseg0, (void *) CKSEG0, 0x80000000 - 4); +#endif + kclist_add(&kcore_mem, __va(0), max_low_pfn << PAGE_SHIFT); + kclist_add(&kcore_vmalloc, (void *)VMALLOC_START, + VMALLOC_END-VMALLOC_START); + printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, " "%ldk reserved, %ldk data, %ldk init, %ldk highmem)\n", (unsigned long) nr_free_pages() << (PAGE_SHIFT-10), |