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Commit 599c1aa5 authored by Manish Ahuja's avatar Manish Ahuja Committed by Paul Mackerras
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[POWERPC] pseries: phyp dump: Debugging print routines 



Provide some basic debugging support.

Signed-off-by: default avatarManish Ahuja <mahuja@us.ibm.com>
Signed-off-by: default avatarLinas Vepstas <linasvepstas@gmail.com>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 2c4f4113

arch/powerpc/platforms/pseries/phyp_dump.c

+59 −2
Original line number Diff line number Diff line
@@ -123,6 +123,61 @@ static unsigned long init_dump_header(struct phyp_dump_header *ph) 
	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 phyp_dump_header *ph, unsigned long addr) 
				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;