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Diffstat (limited to 'arch/powerpc/mm/ptdump/bats.c')
-rw-r--r--arch/powerpc/mm/ptdump/bats.c77
1 files changed, 4 insertions, 73 deletions
diff --git a/arch/powerpc/mm/ptdump/bats.c b/arch/powerpc/mm/ptdump/bats.c
index e29b338d499f..820c119013e4 100644
--- a/arch/powerpc/mm/ptdump/bats.c
+++ b/arch/powerpc/mm/ptdump/bats.c
@@ -7,67 +7,11 @@
*/
#include <linux/pgtable.h>
-#include <asm/debugfs.h>
+#include <linux/debugfs.h>
#include <asm/cpu_has_feature.h>
#include "ptdump.h"
-static char *pp_601(int k, int pp)
-{
- if (pp == 0)
- return k ? " " : "rwx";
- if (pp == 1)
- return k ? "r x" : "rwx";
- if (pp == 2)
- return "rwx";
- return "r x";
-}
-
-static void bat_show_601(struct seq_file *m, int idx, u32 lower, u32 upper)
-{
- u32 blpi = upper & 0xfffe0000;
- u32 k = (upper >> 2) & 3;
- u32 pp = upper & 3;
- phys_addr_t pbn = PHYS_BAT_ADDR(lower);
- u32 bsm = lower & 0x3ff;
- u32 size = (bsm + 1) << 17;
-
- seq_printf(m, "%d: ", idx);
- if (!(lower & 0x40)) {
- seq_puts(m, " -\n");
- return;
- }
-
- seq_printf(m, "0x%08x-0x%08x ", blpi, blpi + size - 1);
-#ifdef CONFIG_PHYS_64BIT
- seq_printf(m, "0x%016llx ", pbn);
-#else
- seq_printf(m, "0x%08x ", pbn);
-#endif
- pt_dump_size(m, size);
-
- seq_printf(m, "Kernel %s User %s", pp_601(k & 2, pp), pp_601(k & 1, pp));
-
- seq_puts(m, lower & _PAGE_WRITETHRU ? "w " : " ");
- seq_puts(m, lower & _PAGE_NO_CACHE ? "i " : " ");
- seq_puts(m, lower & _PAGE_COHERENT ? "m " : " ");
- seq_puts(m, "\n");
-}
-
-#define BAT_SHOW_601(_m, _n, _l, _u) bat_show_601(_m, _n, mfspr(_l), mfspr(_u))
-
-static int bats_show_601(struct seq_file *m, void *v)
-{
- seq_puts(m, "---[ Block Address Translation ]---\n");
-
- BAT_SHOW_601(m, 0, SPRN_IBAT0L, SPRN_IBAT0U);
- BAT_SHOW_601(m, 1, SPRN_IBAT1L, SPRN_IBAT1U);
- BAT_SHOW_601(m, 2, SPRN_IBAT2L, SPRN_IBAT2U);
- BAT_SHOW_601(m, 3, SPRN_IBAT3L, SPRN_IBAT3U);
-
- return 0;
-}
-
static void bat_show_603(struct seq_file *m, int idx, u32 lower, u32 upper, bool is_d)
{
u32 bepi = upper & 0xfffe0000;
@@ -113,7 +57,7 @@ static void bat_show_603(struct seq_file *m, int idx, u32 lower, u32 upper, bool
#define BAT_SHOW_603(_m, _n, _l, _u, _d) bat_show_603(_m, _n, mfspr(_l), mfspr(_u), _d)
-static int bats_show_603(struct seq_file *m, void *v)
+static int bats_show(struct seq_file *m, void *v)
{
seq_puts(m, "---[ Instruction Block Address Translation ]---\n");
@@ -144,25 +88,12 @@ static int bats_show_603(struct seq_file *m, void *v)
return 0;
}
-static int bats_open(struct inode *inode, struct file *file)
-{
- if (IS_ENABLED(CONFIG_PPC_BOOK3S_601))
- return single_open(file, bats_show_601, NULL);
-
- return single_open(file, bats_show_603, NULL);
-}
-
-static const struct file_operations bats_fops = {
- .open = bats_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = single_release,
-};
+DEFINE_SHOW_ATTRIBUTE(bats);
static int __init bats_init(void)
{
debugfs_create_file("block_address_translation", 0400,
- powerpc_debugfs_root, NULL, &bats_fops);
+ arch_debugfs_dir, NULL, &bats_fops);
return 0;
}
device_initcall(bats_init);