aboutsummaryrefslogtreecommitdiff
path: root/pc-bios/s390-ccw/bootmap.c
diff options
context:
space:
mode:
Diffstat (limited to 'pc-bios/s390-ccw/bootmap.c')
-rw-r--r--pc-bios/s390-ccw/bootmap.c37
1 files changed, 20 insertions, 17 deletions
diff --git a/pc-bios/s390-ccw/bootmap.c b/pc-bios/s390-ccw/bootmap.c
index 5ee3fcb38f..753c28854e 100644
--- a/pc-bios/s390-ccw/bootmap.c
+++ b/pc-bios/s390-ccw/bootmap.c
@@ -10,7 +10,7 @@
#include "s390-ccw.h"
-// #define DEBUG_FALLBACK
+/* #define DEBUG_FALLBACK */
#ifdef DEBUG_FALLBACK
#define dputs(txt) \
@@ -47,13 +47,13 @@ struct mbr {
struct scsi_blockptr blockptr;
} __attribute__ ((packed));
-#define ZIPL_MAGIC "zIPL"
+#define ZIPL_MAGIC "zIPL"
-#define ZIPL_COMP_HEADER_IPL 0x00
-#define ZIPL_COMP_HEADER_DUMP 0x01
+#define ZIPL_COMP_HEADER_IPL 0x00
+#define ZIPL_COMP_HEADER_DUMP 0x01
-#define ZIPL_COMP_ENTRY_LOAD 0x02
-#define ZIPL_COMP_ENTRY_EXEC 0x01
+#define ZIPL_COMP_ENTRY_LOAD 0x02
+#define ZIPL_COMP_ENTRY_EXEC 0x01
/* Scratch space */
static uint8_t sec[SECTOR_SIZE] __attribute__((__aligned__(SECTOR_SIZE)));
@@ -107,8 +107,8 @@ static void jump_to_IPL_code(uint64_t address)
/* Check for ZIPL magic. Returns 0 if not matched. */
static int zipl_magic(uint8_t *ptr)
{
- uint32_t *p = (void*)ptr;
- uint32_t *z = (void*)ZIPL_MAGIC;
+ uint32_t *p = (void *)ptr;
+ uint32_t *z = (void *)ZIPL_MAGIC;
if (*p != *z) {
debug_print_int("invalid magic", *p);
@@ -136,7 +136,7 @@ static inline bool unused_space(const void *p, unsigned int size)
static int zipl_load_segment(struct component_entry *entry)
{
const int max_entries = (SECTOR_SIZE / sizeof(struct scsi_blockptr));
- struct scsi_blockptr *bprs = (void*)sec;
+ struct scsi_blockptr *bprs = (void *)sec;
const int bprs_size = sizeof(sec);
uint64_t blockno;
long address;
@@ -156,16 +156,18 @@ static int zipl_load_segment(struct component_entry *entry)
}
for (i = 0;; i++) {
- u64 *cur_desc = (void*)&bprs[i];
+ u64 *cur_desc = (void *)&bprs[i];
blockno = bprs[i].blockno;
- if (!blockno)
+ if (!blockno) {
break;
+ }
/* we need the updated blockno for the next indirect entry in the
chain, but don't want to advance address */
- if (i == (max_entries - 1))
+ if (i == (max_entries - 1)) {
break;
+ }
if (bprs[i].blockct == 0 && unused_space(&bprs[i + 1],
sizeof(struct scsi_blockptr))) {
@@ -178,9 +180,10 @@ static int zipl_load_segment(struct component_entry *entry)
break;
}
address = virtio_load_direct(cur_desc[0], cur_desc[1], 0,
- (void*)address);
- if (address == -1)
+ (void *)address);
+ if (address == -1) {
goto fail;
+ }
}
} while (blockno);
@@ -220,7 +223,7 @@ static int zipl_run(struct scsi_blockptr *pte)
entry++;
- if ((uint8_t*)(&entry[1]) > (tmp_sec + SECTOR_SIZE)) {
+ if ((uint8_t *)(&entry[1]) > (tmp_sec + SECTOR_SIZE)) {
goto fail;
}
}
@@ -241,7 +244,7 @@ fail:
int zipl_load(void)
{
- struct mbr *mbr = (void*)sec;
+ struct mbr *mbr = (void *)sec;
uint8_t *ns, *ns_end;
int program_table_entries = 0;
int pte_len = sizeof(struct scsi_blockptr);
@@ -249,7 +252,7 @@ int zipl_load(void)
const char *error = "";
/* Grab the MBR */
- virtio_read(0, (void*)mbr);
+ virtio_read(0, (void *)mbr);
dputs("checking magic\n");