File s390-tools-sles15sp5-15-zipl-Embed-loader-data-directly-into-boot-object.patch of Package s390-tools
---
.gitignore | 1 +
common.mak | 4 ++--
zipl/boot/Makefile | 16 ++++++----------
zipl/src/Makefile | 14 +++++---------
zipl/src/boot.c | 41 ++++++++++++++++++++++++++++++++++++++---
5 files changed, 52 insertions(+), 24 deletions(-)
--- a/.gitignore
+++ b/.gitignore
@@ -110,6 +110,7 @@ ziomon/ziorep_traffic
ziomon/ziorep_utilization
zipl/boot/*.bin
zipl/boot/*.exec
+zipl/boot/.loaders
zipl/boot/data.h
zipl/src/chreipl_helper.device-mapper
zdev/src/zdev_id
--- a/common.mak
+++ b/common.mak
@@ -410,8 +410,8 @@ $(rootdir)/libpv/libpv.a: $(rootdir)/lib
$(MAKE) -C $(rootdir)/libpv libpv.a
.PHONY: $(rootdir)/libpv
-$(rootdir)/zipl/boot/data.o:
- $(MAKE) -C $(rootdir)/zipl/boot/ data.o
+$(rootdir)/zipl/boot/.loaders:
+ $(MAKE) -C $(rootdir)/zipl/boot/ .loaders
install_dirs:
for dir in $(INSTDIRS); do \
--- a/zipl/boot/Makefile
+++ b/zipl/boot/Makefile
@@ -20,7 +20,10 @@ FILES = fba0.bin fba1b.bin fba2.bin \
tape0.bin \
eckd2dump_sv.bin tape2dump.bin fba2dump.bin eckd2dump_mv.bin
-all: data.o data.h tape0.bin stage3.bin
+all: .loaders tape0.bin stage3.bin
+
+.loaders: $(FILES)
+ touch .loaders
# Prevent make from using some default rules...
%: %.S
@@ -76,16 +79,9 @@ stage3.exec: head.o stage3.o kdump3.o li
%.bin: %.exec
$(OBJCOPY) -O binary $< $@
-data.o: $(FILES)
- $(LINK) $(NO_PIE_LDFLAGS) -static -nostdlib -Wl,--relocatable -Wl,--format,binary -o data.o $(FILES)
-
-data.h: data.o
- rm -f data.h
- $(NM) data.o | while read ADDR TYPE SYMBOL ; do \
- echo "extern char $$SYMBOL;" >>data.h; done
clean:
- rm -f -- *.o *.exec *.bin $(FILES) data.o data.h tape0.bin *.xxx *.yyy \
- stage3.bin *.lds .*.lds.d
+ rm -f -- *.o *.exec *.bin $(FILES) tape0.bin *.xxx *.yyy \
+ stage3.bin *.lds .*.lds.d .loaders
.PHONY: all clean
--- a/zipl/src/Makefile
+++ b/zipl/src/Makefile
@@ -4,14 +4,14 @@ include ../../common.mak
ALL_CPPFLAGS += -I../include -I../boot \
-DZFCPDUMP_IMAGE="STRINGIFY($(ZFCPDUMP_DIR)/$(ZFCPDUMP_IMAGE))" \
-DZFCPDUMP_INITRD="STRINGIFY($(ZFCPDUMP_DIR)/$(ZFCPDUMP_INITRD))" \
- -D_FILE_OFFSET_BITS=64 $(NO_PIE_CFLAGS)
+ -D_FILE_OFFSET_BITS=64 $(NO_PIE_CFLAGS) -DBUILD_PATH="../boot"
ALL_LDFLAGS += -Wl,-z,noexecstack $(NO_PIE_LDFLAGS)
libs = $(rootdir)/libutil/libutil.a \
$(rootdir)/libvtoc/libvtoc.a \
objects = misc.o error.o scan.o job.o boot.o bootmap.o fs-map.o disk.o \
- bootmap_header.o envblk.o install.o zipl.o $(rootdir)/zipl/boot/data.o
+ bootmap_header.o envblk.o install.o zipl.o
zipl_helpers = $(basename $(wildcard zipl_helper.*.c))
chreipl_helpers = $(subst zipl_,chreipl_, $(zipl_helpers))
@@ -19,6 +19,7 @@ zipl_stage3 = ../boot/stage3.bin
all: zipl zipl-editenv $(chreipl_helpers) $(zipl_stage3)
+boot.o: ../boot/.loaders
zipl: $(objects) $(libs)
zipl_helper.device-mapper: $(rootdir)/libdasd/libdasd.a \
@@ -47,13 +48,8 @@ clean:
# Additional manual dependencies
-.boot.o.d boot.o: ../boot/data.h
-
-../boot/data.h:
- $(MAKE) -C ../boot data.h
-
-../boot/data.o:
- $(MAKE) -C ../boot data.o
+../boot/.loaders:
+ $(MAKE) -C ../boot .loaders
../boot/stage3.bin:
$(MAKE) -C ../boot stage3.bin
--- a/zipl/src/boot.c
+++ b/zipl/src/boot.c
@@ -21,14 +21,49 @@
#include "stage3.h"
-#include "../boot/data.h"
#include "boot.h"
#include "bootmap.h"
#include "error.h"
#include "misc.h"
-#define DATA_SIZE(x) ((size_t) (&_binary_##x##_bin_end - &_binary_##x##_bin_start))
-#define DATA_ADDR(x) (&_binary_##x##_bin_start)
+/* Import a binary file */
+/* clang-format off */
+#define DATA_NAME(SYM, SUFFIX) _binary_##SYM##_bin##SUFFIX
+#define DATA_SIZE(SYM) ((size_t)(&DATA_NAME(SYM, _end) - &DATA_NAME(SYM, _start)))
+#define DATA_ADDR(SYM) (&DATA_NAME(SYM, _start))
+#define BIN_FILE_PATH(FILE_NAME) STRINGIFY(BUILD_PATH) "/" STRINGIFY(FILE_NAME) ".bin"
+#define IMPORT_DATA(SYM) \
+ extern const uint8_t DATA_NAME(SYM, _start); \
+ extern const uint8_t DATA_NAME(SYM, _end); \
+ asm(".section \".rodata\", \"a\", @progbits\n" \
+ ".balign 4\n" \
+ ".global " STRINGIFY(DATA_NAME(SYM, _start)) "\n" \
+ STRINGIFY(DATA_NAME(SYM, _start)) ":\n" \
+ ".incbin \"" BIN_FILE_PATH(SYM) "\"\n" \
+ ".global " STRINGIFY(DATA_NAME(SYM, _end)) "\n" \
+ STRINGIFY(DATA_NAME(SYM, _end)) ":\n" \
+ ".balign 4\n" \
+ ".previous\n")
+/* clang-format on */
+
+/* Stage 0 Loader */
+IMPORT_DATA(eckd0_cdl);
+IMPORT_DATA(eckd0_ldl);
+IMPORT_DATA(fba0);
+IMPORT_DATA(tape0);
+/* Stage 1 Loader */
+IMPORT_DATA(eckd1);
+/* Stage 1b Loader */
+IMPORT_DATA(eckd1b);
+IMPORT_DATA(fba1b);
+/* Stage 2 Loader */
+IMPORT_DATA(eckd2);
+IMPORT_DATA(fba2);
+/* Stage 2 Dump Loader */
+IMPORT_DATA(eckd2dump_mv);
+IMPORT_DATA(eckd2dump_sv);
+IMPORT_DATA(fba2dump);
+IMPORT_DATA(tape2dump);
#define CCW_FLAG_CC 0x40
#define CCW_FLAG_SLI 0x20
