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From f21a07e653b25bf6d99c28f709a88ed1dfe6170f Mon Sep 17 00:00:00 2001
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From: Collin Walling <walling@linux.ibm.com>
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Date: Tue, 8 May 2018 09:01:13 +0000
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Subject: pc-bios/s390-ccw: rename MAX_TABLE_ENTRIES to MAX_BOOT_ENTRIES
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The MAX_TABLE_ENTRIES constant has a name that is too generic. As we
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want to declare a limit for boot menu entries, let's rename it to a more
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fitting MAX_BOOT_ENTRIES and set its value to 31 (30 boot entries and
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1 default entry). Also we move it from bootmap.h to s390-ccw.h to make
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it available for menu.c in a later patch.
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Signed-off-by: Collin Walling <walling@linux.ibm.com>
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Reviewed-by: Thomas Huth <thuth@redhat.com>
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Reviewed-by: Janosch Frank <frankja@linux.ibm.com>
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Signed-off-by: Thomas Huth <thuth@redhat.com>
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(cherry picked from commit 6df2a829dfacfbf10a78199ad4b023a7ea65d9cd)
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---
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pc-bios/s390-ccw/bootmap.c | 6 +++---
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pc-bios/s390-ccw/bootmap.h | 2 --
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pc-bios/s390-ccw/s390-ccw.h | 2 ++
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3 files changed, 5 insertions(+), 5 deletions(-)
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diff --git a/pc-bios/s390-ccw/bootmap.c b/pc-bios/s390-ccw/bootmap.c
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index 9287b7a..b767fa2 100644
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--- a/pc-bios/s390-ccw/bootmap.c
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+++ b/pc-bios/s390-ccw/bootmap.c
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@@ -297,7 +297,7 @@ static void run_eckd_boot_script(block_number_t bmt_block_nr,
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}
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debug_print_int("loadparm", loadparm);
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- IPL_assert(loadparm <= MAX_TABLE_ENTRIES, "loadparm value greater than"
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+ IPL_assert(loadparm < MAX_BOOT_ENTRIES, "loadparm value greater than"
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" maximum number of boot entries allowed");
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memset(sec, FREE_SPACE_FILLER, sizeof(sec));
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@@ -585,7 +585,7 @@ static void ipl_scsi(void)
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read_block(mbr->pt.blockno, sec, "Error reading Program Table");
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IPL_assert(magic_match(sec, ZIPL_MAGIC), "No zIPL magic in PT");
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- while (program_table_entries <= MAX_TABLE_ENTRIES) {
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+ while (program_table_entries < MAX_BOOT_ENTRIES) {
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if (!prog_table->entry[program_table_entries].scsi.blockno) {
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break;
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}
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@@ -600,7 +600,7 @@ static void ipl_scsi(void)
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}
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debug_print_int("loadparm", loadparm);
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- IPL_assert(loadparm <= MAX_TABLE_ENTRIES, "loadparm value greater than"
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+ IPL_assert(loadparm < MAX_BOOT_ENTRIES, "loadparm value greater than"
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" maximum number of boot entries allowed");
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zipl_run(&prog_table->entry[loadparm].scsi); /* no return */
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diff --git a/pc-bios/s390-ccw/bootmap.h b/pc-bios/s390-ccw/bootmap.h
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index 07eb600..732c111 100644
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--- a/pc-bios/s390-ccw/bootmap.h
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+++ b/pc-bios/s390-ccw/bootmap.h
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@@ -57,8 +57,6 @@ typedef union BootMapPointer {
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ExtEckdBlockPtr xeckd;
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} __attribute__ ((packed)) BootMapPointer;
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-#define MAX_TABLE_ENTRIES 30
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-
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/* aka Program Table */
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typedef struct BootMapTable {
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uint8_t magic[4];
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diff --git a/pc-bios/s390-ccw/s390-ccw.h b/pc-bios/s390-ccw/s390-ccw.h
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index fd18da2..2c9e601 100644
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--- a/pc-bios/s390-ccw/s390-ccw.h
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+++ b/pc-bios/s390-ccw/s390-ccw.h
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@@ -94,6 +94,8 @@ bool menu_is_enabled_zipl(void);
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int menu_get_enum_boot_index(int entries);
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bool menu_is_enabled_enum(void);
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+#define MAX_BOOT_ENTRIES 31
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+
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static inline void fill_hex(char *out, unsigned char val)
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{
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const char hex[] = "0123456789abcdef";
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--
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1.8.3.1
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