Provide some basic debugging support.
Signed-off-by: Manish Ahuja <[EMAIL PROTECTED]>
Signed-off-by: Linas Vepstas <[EMAIL PROTECTED]>
---
arch/powerpc/platforms/pseries/phyp_dump.c | 61 ++++++++++++++++++++++++++++-
1 file changed, 59 insertions(+), 2 deletions(-)
Index: 2.6.25-rc1/arch/powerpc/platforms/pseries/phyp_dump.c
===================================================================
--- 2.6.25-rc1.orig/arch/powerpc/platforms/pseries/phyp_dump.c 2008-03-21
22:52:53.000000000 -0500
+++ 2.6.25-rc1/arch/powerpc/platforms/pseries/phyp_dump.c 2008-03-21
22:54:44.000000000 -0500
@@ -123,6 +123,61 @@ static unsigned long init_dump_header(st
return addr_offset;
}
+static void print_dump_header(const struct phyp_dump_header *ph)
+{
+#ifdef DEBUG
+ printk(KERN_INFO "dump header:\n");
+ /* setup some ph->sections required */
+ printk(KERN_INFO "version = %d\n", ph->version);
+ printk(KERN_INFO "Sections = %d\n", ph->num_of_sections);
+ printk(KERN_INFO "Status = 0x%x\n", ph->status);
+
+ /* No ph->disk, so all should be set to 0 */
+ printk(KERN_INFO "Offset to first section 0x%x\n",
+ ph->first_offset_section);
+ printk(KERN_INFO "dump disk sections should be zero\n");
+ printk(KERN_INFO "dump disk section = %d\n", ph->dump_disk_section);
+ printk(KERN_INFO "block num = %ld\n", ph->block_num_dd);
+ printk(KERN_INFO "number of blocks = %ld\n", ph->num_of_blocks_dd);
+ printk(KERN_INFO "dump disk offset = %d\n", ph->offset_dd);
+ printk(KERN_INFO "Max auto time= %d\n", ph->maxtime_to_auto);
+
+ /*set cpu state and hpte states as well scratch pad area */
+ printk(KERN_INFO " CPU AREA \n");
+ printk(KERN_INFO "cpu dump_flags =%d\n", ph->cpu_data.dump_flags);
+ printk(KERN_INFO "cpu source_type =%d\n", ph->cpu_data.source_type);
+ printk(KERN_INFO "cpu error_flags =%d\n", ph->cpu_data.error_flags);
+ printk(KERN_INFO "cpu source_address =%lx\n",
+ ph->cpu_data.source_address);
+ printk(KERN_INFO "cpu source_length =%lx\n",
+ ph->cpu_data.source_length);
+ printk(KERN_INFO "cpu length_copied =%lx\n",
+ ph->cpu_data.length_copied);
+
+ printk(KERN_INFO " HPTE AREA \n");
+ printk(KERN_INFO "HPTE dump_flags =%d\n", ph->hpte_data.dump_flags);
+ printk(KERN_INFO "HPTE source_type =%d\n", ph->hpte_data.source_type);
+ printk(KERN_INFO "HPTE error_flags =%d\n", ph->hpte_data.error_flags);
+ printk(KERN_INFO "HPTE source_address =%lx\n",
+ ph->hpte_data.source_address);
+ printk(KERN_INFO "HPTE source_length =%lx\n",
+ ph->hpte_data.source_length);
+ printk(KERN_INFO "HPTE length_copied =%lx\n",
+ ph->hpte_data.length_copied);
+
+ printk(KERN_INFO " SRSD AREA \n");
+ printk(KERN_INFO "SRSD dump_flags =%d\n", ph->kernel_data.dump_flags);
+ printk(KERN_INFO "SRSD source_type =%d\n", ph->kernel_data.source_type);
+ printk(KERN_INFO "SRSD error_flags =%d\n", ph->kernel_data.error_flags);
+ printk(KERN_INFO "SRSD source_address =%lx\n",
+ ph->kernel_data.source_address);
+ printk(KERN_INFO "SRSD source_length =%lx\n",
+ ph->kernel_data.source_length);
+ printk(KERN_INFO "SRSD length_copied =%lx\n",
+ ph->kernel_data.length_copied);
+#endif
+}
+
static void register_dump_area(struct phyp_dump_header *ph, unsigned long addr)
{
int rc;
@@ -135,9 +190,11 @@ static void register_dump_area(struct ph
1, ph, sizeof(struct phyp_dump_header));
} while (rtas_busy_delay(rc));
- if (rc)
+ if (rc) {
printk(KERN_ERR "phyp-dump: unexpected error (%d) on "
"register\n", rc);
+ print_dump_header(ph);
+ }
}
/* ------------------------------------------------- */
@@ -246,8 +303,8 @@ static int __init phyp_dump_setup(void)
of_node_put(rtas);
}
+ print_dump_header(dump_header);
dump_area_length = init_dump_header(&phdr);
-
/* align down */
dump_area_start = phyp_dump_info->init_reserve_start & PAGE_MASK;
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