From a829251bdb086dcc6a99ff1d99780d623e390e38 Mon Sep 17 00:00:00 2001 From: marco_g Date: Tue, 5 Aug 2008 12:26:29 +0000 Subject: [PATCH] Urgh, and now actually add the files :-) --- conf/i386-coreboot.mk | 13 +++-- conf/i386-efi.mk | 70 ++++++++++++++++++++-- conf/i386-ieee1275.mk | 13 +++-- conf/i386-pc.mk | 26 ++++++++- conf/powerpc-ieee1275.mk | 13 +++-- conf/sparc64-ieee1275.mk | 17 ++++-- include/grub/i386/tsc.h | 80 ++++++++++++++++++++++++++ kern/generic/millisleep.c | 39 +++++++++++++ kern/generic/rtc_get_time_ms.c | 37 ++++++++++++ kern/i386/tsc.c | 102 +++++++++++++++++++++++++++++++++ 10 files changed, 386 insertions(+), 24 deletions(-) create mode 100644 include/grub/i386/tsc.h create mode 100644 kern/generic/millisleep.c create mode 100644 kern/generic/rtc_get_time_ms.c create mode 100644 kern/i386/tsc.c diff --git a/conf/i386-coreboot.mk b/conf/i386-coreboot.mk index e01f4e810..cff6cebad 100644 --- a/conf/i386-coreboot.mk +++ b/conf/i386-coreboot.mk @@ -17,16 +17,17 @@ kernel_elf_SOURCES = kern/i386/linuxbios/startup.S kern/i386/linuxbios/init.c \ kern/main.c kern/device.c \ kern/disk.c kern/dl.c kern/file.c kern/fs.c kern/err.c \ kern/misc.c kern/mm.c kern/loader.c kern/rescue.c kern/term.c \ + kern/time.c \ kern/i386/dl.c kern/parser.c kern/partition.c \ kern/env.c \ term/i386/pc/console.c \ term/i386/pc/at_keyboard.c term/i386/pc/vga_text.c \ symlist.c -CLEANFILES += kernel.elf kernel_elf-kern_i386_linuxbios_startup.o kernel_elf-kern_i386_linuxbios_init.o kernel_elf-kern_i386_linuxbios_table.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_err.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-kern_i386_dl.o kernel_elf-kern_parser.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-term_i386_pc_console.o kernel_elf-term_i386_pc_at_keyboard.o kernel_elf-term_i386_pc_vga_text.o kernel_elf-symlist.o -MOSTLYCLEANFILES += kernel_elf-kern_i386_linuxbios_startup.d kernel_elf-kern_i386_linuxbios_init.d kernel_elf-kern_i386_linuxbios_table.d kernel_elf-kern_main.d kernel_elf-kern_device.d kernel_elf-kern_disk.d kernel_elf-kern_dl.d kernel_elf-kern_file.d kernel_elf-kern_fs.d kernel_elf-kern_err.d kernel_elf-kern_misc.d kernel_elf-kern_mm.d kernel_elf-kern_loader.d kernel_elf-kern_rescue.d kernel_elf-kern_term.d kernel_elf-kern_i386_dl.d kernel_elf-kern_parser.d kernel_elf-kern_partition.d kernel_elf-kern_env.d kernel_elf-term_i386_pc_console.d kernel_elf-term_i386_pc_at_keyboard.d kernel_elf-term_i386_pc_vga_text.d kernel_elf-symlist.d +CLEANFILES += kernel.elf kernel_elf-kern_i386_linuxbios_startup.o kernel_elf-kern_i386_linuxbios_init.o kernel_elf-kern_i386_linuxbios_table.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_err.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-kern_time.o kernel_elf-kern_i386_dl.o kernel_elf-kern_parser.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-term_i386_pc_console.o kernel_elf-term_i386_pc_at_keyboard.o kernel_elf-term_i386_pc_vga_text.o kernel_elf-symlist.o +MOSTLYCLEANFILES += kernel_elf-kern_i386_linuxbios_startup.d kernel_elf-kern_i386_linuxbios_init.d kernel_elf-kern_i386_linuxbios_table.d kernel_elf-kern_main.d kernel_elf-kern_device.d kernel_elf-kern_disk.d kernel_elf-kern_dl.d kernel_elf-kern_file.d kernel_elf-kern_fs.d kernel_elf-kern_err.d kernel_elf-kern_misc.d kernel_elf-kern_mm.d kernel_elf-kern_loader.d kernel_elf-kern_rescue.d kernel_elf-kern_term.d kernel_elf-kern_time.d kernel_elf-kern_i386_dl.d kernel_elf-kern_parser.d kernel_elf-kern_partition.d kernel_elf-kern_env.d kernel_elf-term_i386_pc_console.d kernel_elf-term_i386_pc_at_keyboard.d kernel_elf-term_i386_pc_vga_text.d kernel_elf-symlist.d -kernel.elf: $(kernel_elf_DEPENDENCIES) kernel_elf-kern_i386_linuxbios_startup.o kernel_elf-kern_i386_linuxbios_init.o kernel_elf-kern_i386_linuxbios_table.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_err.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-kern_i386_dl.o kernel_elf-kern_parser.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-term_i386_pc_console.o kernel_elf-term_i386_pc_at_keyboard.o kernel_elf-term_i386_pc_vga_text.o kernel_elf-symlist.o - $(TARGET_CC) -o $@ kernel_elf-kern_i386_linuxbios_startup.o kernel_elf-kern_i386_linuxbios_init.o kernel_elf-kern_i386_linuxbios_table.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_err.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-kern_i386_dl.o kernel_elf-kern_parser.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-term_i386_pc_console.o kernel_elf-term_i386_pc_at_keyboard.o kernel_elf-term_i386_pc_vga_text.o kernel_elf-symlist.o $(TARGET_LDFLAGS) $(kernel_elf_LDFLAGS) +kernel.elf: $(kernel_elf_DEPENDENCIES) kernel_elf-kern_i386_linuxbios_startup.o kernel_elf-kern_i386_linuxbios_init.o kernel_elf-kern_i386_linuxbios_table.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_err.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-kern_time.o kernel_elf-kern_i386_dl.o kernel_elf-kern_parser.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-term_i386_pc_console.o kernel_elf-term_i386_pc_at_keyboard.o kernel_elf-term_i386_pc_vga_text.o kernel_elf-symlist.o + $(TARGET_CC) -o $@ kernel_elf-kern_i386_linuxbios_startup.o kernel_elf-kern_i386_linuxbios_init.o kernel_elf-kern_i386_linuxbios_table.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_err.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-kern_time.o kernel_elf-kern_i386_dl.o kernel_elf-kern_parser.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-term_i386_pc_console.o kernel_elf-term_i386_pc_at_keyboard.o kernel_elf-term_i386_pc_vga_text.o kernel_elf-symlist.o $(TARGET_LDFLAGS) $(kernel_elf_LDFLAGS) kernel_elf-kern_i386_linuxbios_startup.o: kern/i386/linuxbios/startup.S $(kern/i386/linuxbios/startup.S_DEPENDENCIES) $(TARGET_CC) -Ikern/i386/linuxbios -I$(srcdir)/kern/i386/linuxbios $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_elf_CFLAGS) -MD -c -o $@ $< @@ -88,6 +89,10 @@ kernel_elf-kern_term.o: kern/term.c $(kern/term.c_DEPENDENCIES) $(TARGET_CC) -Ikern -I$(srcdir)/kern $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_elf_CFLAGS) -MD -c -o $@ $< -include kernel_elf-kern_term.d +kernel_elf-kern_time.o: kern/time.c $(kern/time.c_DEPENDENCIES) + $(TARGET_CC) -Ikern -I$(srcdir)/kern $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_elf_CFLAGS) -MD -c -o $@ $< +-include kernel_elf-kern_time.d + kernel_elf-kern_i386_dl.o: kern/i386/dl.c $(kern/i386/dl.c_DEPENDENCIES) $(TARGET_CC) -Ikern/i386 -I$(srcdir)/kern/i386 $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_elf_CFLAGS) -MD -c -o $@ $< -include kernel_elf-kern_i386_dl.d diff --git a/conf/i386-efi.mk b/conf/i386-efi.mk index 28e38771b..26d546ec1 100644 --- a/conf/i386-efi.mk +++ b/conf/i386-efi.mk @@ -127,13 +127,16 @@ kernel_mod_SOURCES = kern/i386/efi/startup.S kern/main.c kern/device.c \ kern/misc.c kern/mm.c kern/loader.c kern/rescue.c kern/term.c \ kern/i386/dl.c kern/i386/efi/init.c kern/parser.c kern/partition.c \ kern/env.c symlist.c kern/efi/efi.c kern/efi/init.c kern/efi/mm.c \ - term/efi/console.c disk/efi/efidisk.c -CLEANFILES += kernel.mod mod-kernel.o mod-kernel.c pre-kernel.o kernel_mod-kern_i386_efi_startup.o kernel_mod-kern_main.o kernel_mod-kern_device.o kernel_mod-kern_disk.o kernel_mod-kern_dl.o kernel_mod-kern_file.o kernel_mod-kern_fs.o kernel_mod-kern_err.o kernel_mod-kern_misc.o kernel_mod-kern_mm.o kernel_mod-kern_loader.o kernel_mod-kern_rescue.o kernel_mod-kern_term.o kernel_mod-kern_i386_dl.o kernel_mod-kern_i386_efi_init.o kernel_mod-kern_parser.o kernel_mod-kern_partition.o kernel_mod-kern_env.o kernel_mod-symlist.o kernel_mod-kern_efi_efi.o kernel_mod-kern_efi_init.o kernel_mod-kern_efi_mm.o kernel_mod-term_efi_console.o kernel_mod-disk_efi_efidisk.o und-kernel.lst + term/efi/console.c disk/efi/efidisk.c \ + kern/i386/tsc.c \ + kern/generic/rtc_get_time_ms.c \ + kern/generic/millisleep.c +CLEANFILES += kernel.mod mod-kernel.o mod-kernel.c pre-kernel.o kernel_mod-kern_i386_efi_startup.o kernel_mod-kern_main.o kernel_mod-kern_device.o kernel_mod-kern_disk.o kernel_mod-kern_dl.o kernel_mod-kern_file.o kernel_mod-kern_fs.o kernel_mod-kern_err.o kernel_mod-kern_misc.o kernel_mod-kern_mm.o kernel_mod-kern_loader.o kernel_mod-kern_rescue.o kernel_mod-kern_term.o kernel_mod-kern_i386_dl.o kernel_mod-kern_i386_efi_init.o kernel_mod-kern_parser.o kernel_mod-kern_partition.o kernel_mod-kern_env.o kernel_mod-symlist.o kernel_mod-kern_efi_efi.o kernel_mod-kern_efi_init.o kernel_mod-kern_efi_mm.o kernel_mod-term_efi_console.o kernel_mod-disk_efi_efidisk.o kernel_mod-kern_i386_tsc.o kernel_mod-kern_generic_rtc_get_time_ms.o kernel_mod-kern_generic_millisleep.o und-kernel.lst ifneq ($(kernel_mod_EXPORTS),no) CLEANFILES += def-kernel.lst DEFSYMFILES += def-kernel.lst endif -MOSTLYCLEANFILES += kernel_mod-kern_i386_efi_startup.d kernel_mod-kern_main.d kernel_mod-kern_device.d kernel_mod-kern_disk.d kernel_mod-kern_dl.d kernel_mod-kern_file.d kernel_mod-kern_fs.d kernel_mod-kern_err.d kernel_mod-kern_misc.d kernel_mod-kern_mm.d kernel_mod-kern_loader.d kernel_mod-kern_rescue.d kernel_mod-kern_term.d kernel_mod-kern_i386_dl.d kernel_mod-kern_i386_efi_init.d kernel_mod-kern_parser.d kernel_mod-kern_partition.d kernel_mod-kern_env.d kernel_mod-symlist.d kernel_mod-kern_efi_efi.d kernel_mod-kern_efi_init.d kernel_mod-kern_efi_mm.d kernel_mod-term_efi_console.d kernel_mod-disk_efi_efidisk.d +MOSTLYCLEANFILES += kernel_mod-kern_i386_efi_startup.d kernel_mod-kern_main.d kernel_mod-kern_device.d kernel_mod-kern_disk.d kernel_mod-kern_dl.d kernel_mod-kern_file.d kernel_mod-kern_fs.d kernel_mod-kern_err.d kernel_mod-kern_misc.d kernel_mod-kern_mm.d kernel_mod-kern_loader.d kernel_mod-kern_rescue.d kernel_mod-kern_term.d kernel_mod-kern_i386_dl.d kernel_mod-kern_i386_efi_init.d kernel_mod-kern_parser.d kernel_mod-kern_partition.d kernel_mod-kern_env.d kernel_mod-symlist.d kernel_mod-kern_efi_efi.d kernel_mod-kern_efi_init.d kernel_mod-kern_efi_mm.d kernel_mod-term_efi_console.d kernel_mod-disk_efi_efidisk.d kernel_mod-kern_i386_tsc.d kernel_mod-kern_generic_rtc_get_time_ms.d kernel_mod-kern_generic_millisleep.d UNDSYMFILES += und-kernel.lst kernel.mod: pre-kernel.o mod-kernel.o $(TARGET_OBJ2ELF) @@ -142,9 +145,9 @@ kernel.mod: pre-kernel.o mod-kernel.o $(TARGET_OBJ2ELF) if test ! -z $(TARGET_OBJ2ELF); then ./$(TARGET_OBJ2ELF) $@ || (rm -f $@; exit 1); fi $(STRIP) --strip-unneeded -K grub_mod_init -K grub_mod_fini -K _grub_mod_init -K _grub_mod_fini -R .note -R .comment $@ -pre-kernel.o: $(kernel_mod_DEPENDENCIES) kernel_mod-kern_i386_efi_startup.o kernel_mod-kern_main.o kernel_mod-kern_device.o kernel_mod-kern_disk.o kernel_mod-kern_dl.o kernel_mod-kern_file.o kernel_mod-kern_fs.o kernel_mod-kern_err.o kernel_mod-kern_misc.o kernel_mod-kern_mm.o kernel_mod-kern_loader.o kernel_mod-kern_rescue.o kernel_mod-kern_term.o kernel_mod-kern_i386_dl.o kernel_mod-kern_i386_efi_init.o kernel_mod-kern_parser.o kernel_mod-kern_partition.o kernel_mod-kern_env.o kernel_mod-symlist.o kernel_mod-kern_efi_efi.o kernel_mod-kern_efi_init.o kernel_mod-kern_efi_mm.o kernel_mod-term_efi_console.o kernel_mod-disk_efi_efidisk.o +pre-kernel.o: $(kernel_mod_DEPENDENCIES) kernel_mod-kern_i386_efi_startup.o kernel_mod-kern_main.o kernel_mod-kern_device.o kernel_mod-kern_disk.o kernel_mod-kern_dl.o kernel_mod-kern_file.o kernel_mod-kern_fs.o kernel_mod-kern_err.o kernel_mod-kern_misc.o kernel_mod-kern_mm.o kernel_mod-kern_loader.o kernel_mod-kern_rescue.o kernel_mod-kern_term.o kernel_mod-kern_i386_dl.o kernel_mod-kern_i386_efi_init.o kernel_mod-kern_parser.o kernel_mod-kern_partition.o kernel_mod-kern_env.o kernel_mod-symlist.o kernel_mod-kern_efi_efi.o kernel_mod-kern_efi_init.o kernel_mod-kern_efi_mm.o kernel_mod-term_efi_console.o kernel_mod-disk_efi_efidisk.o kernel_mod-kern_i386_tsc.o kernel_mod-kern_generic_rtc_get_time_ms.o kernel_mod-kern_generic_millisleep.o -rm -f $@ - $(TARGET_CC) $(kernel_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ kernel_mod-kern_i386_efi_startup.o kernel_mod-kern_main.o kernel_mod-kern_device.o kernel_mod-kern_disk.o kernel_mod-kern_dl.o kernel_mod-kern_file.o kernel_mod-kern_fs.o kernel_mod-kern_err.o kernel_mod-kern_misc.o kernel_mod-kern_mm.o kernel_mod-kern_loader.o kernel_mod-kern_rescue.o kernel_mod-kern_term.o kernel_mod-kern_i386_dl.o kernel_mod-kern_i386_efi_init.o kernel_mod-kern_parser.o kernel_mod-kern_partition.o kernel_mod-kern_env.o kernel_mod-symlist.o kernel_mod-kern_efi_efi.o kernel_mod-kern_efi_init.o kernel_mod-kern_efi_mm.o kernel_mod-term_efi_console.o kernel_mod-disk_efi_efidisk.o + $(TARGET_CC) $(kernel_mod_LDFLAGS) $(TARGET_LDFLAGS) -Wl,-r,-d -o $@ kernel_mod-kern_i386_efi_startup.o kernel_mod-kern_main.o kernel_mod-kern_device.o kernel_mod-kern_disk.o kernel_mod-kern_dl.o kernel_mod-kern_file.o kernel_mod-kern_fs.o kernel_mod-kern_err.o kernel_mod-kern_misc.o kernel_mod-kern_mm.o kernel_mod-kern_loader.o kernel_mod-kern_rescue.o kernel_mod-kern_term.o kernel_mod-kern_i386_dl.o kernel_mod-kern_i386_efi_init.o kernel_mod-kern_parser.o kernel_mod-kern_partition.o kernel_mod-kern_env.o kernel_mod-symlist.o kernel_mod-kern_efi_efi.o kernel_mod-kern_efi_init.o kernel_mod-kern_efi_mm.o kernel_mod-term_efi_console.o kernel_mod-disk_efi_efidisk.o kernel_mod-kern_i386_tsc.o kernel_mod-kern_generic_rtc_get_time_ms.o kernel_mod-kern_generic_millisleep.o mod-kernel.o: mod-kernel.c $(TARGET_CC) $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -c -o $@ $< @@ -617,6 +620,63 @@ partmap-kernel_mod-disk_efi_efidisk.lst: disk/efi/efidisk.c $(disk/efi/efidisk.c set -e; $(TARGET_CC) -Idisk/efi -I$(srcdir)/disk/efi $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -E $< | sh $(srcdir)/genpartmaplist.sh kernel > $@ || (rm -f $@; exit 1) +kernel_mod-kern_i386_tsc.o: kern/i386/tsc.c $(kern/i386/tsc.c_DEPENDENCIES) + $(TARGET_CC) -Ikern/i386 -I$(srcdir)/kern/i386 $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -MD -c -o $@ $< +-include kernel_mod-kern_i386_tsc.d + +CLEANFILES += cmd-kernel_mod-kern_i386_tsc.lst fs-kernel_mod-kern_i386_tsc.lst partmap-kernel_mod-kern_i386_tsc.lst +COMMANDFILES += cmd-kernel_mod-kern_i386_tsc.lst +FSFILES += fs-kernel_mod-kern_i386_tsc.lst +PARTMAPFILES += partmap-kernel_mod-kern_i386_tsc.lst + +cmd-kernel_mod-kern_i386_tsc.lst: kern/i386/tsc.c $(kern/i386/tsc.c_DEPENDENCIES) gencmdlist.sh + set -e; $(TARGET_CC) -Ikern/i386 -I$(srcdir)/kern/i386 $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh kernel > $@ || (rm -f $@; exit 1) + +fs-kernel_mod-kern_i386_tsc.lst: kern/i386/tsc.c $(kern/i386/tsc.c_DEPENDENCIES) genfslist.sh + set -e; $(TARGET_CC) -Ikern/i386 -I$(srcdir)/kern/i386 $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh kernel > $@ || (rm -f $@; exit 1) + +partmap-kernel_mod-kern_i386_tsc.lst: kern/i386/tsc.c $(kern/i386/tsc.c_DEPENDENCIES) genpartmaplist.sh + set -e; $(TARGET_CC) -Ikern/i386 -I$(srcdir)/kern/i386 $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -E $< | sh $(srcdir)/genpartmaplist.sh kernel > $@ || (rm -f $@; exit 1) + + +kernel_mod-kern_generic_rtc_get_time_ms.o: kern/generic/rtc_get_time_ms.c $(kern/generic/rtc_get_time_ms.c_DEPENDENCIES) + $(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -MD -c -o $@ $< +-include kernel_mod-kern_generic_rtc_get_time_ms.d + +CLEANFILES += cmd-kernel_mod-kern_generic_rtc_get_time_ms.lst fs-kernel_mod-kern_generic_rtc_get_time_ms.lst partmap-kernel_mod-kern_generic_rtc_get_time_ms.lst +COMMANDFILES += cmd-kernel_mod-kern_generic_rtc_get_time_ms.lst +FSFILES += fs-kernel_mod-kern_generic_rtc_get_time_ms.lst +PARTMAPFILES += partmap-kernel_mod-kern_generic_rtc_get_time_ms.lst + +cmd-kernel_mod-kern_generic_rtc_get_time_ms.lst: kern/generic/rtc_get_time_ms.c $(kern/generic/rtc_get_time_ms.c_DEPENDENCIES) gencmdlist.sh + set -e; $(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh kernel > $@ || (rm -f $@; exit 1) + +fs-kernel_mod-kern_generic_rtc_get_time_ms.lst: kern/generic/rtc_get_time_ms.c $(kern/generic/rtc_get_time_ms.c_DEPENDENCIES) genfslist.sh + set -e; $(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh kernel > $@ || (rm -f $@; exit 1) + +partmap-kernel_mod-kern_generic_rtc_get_time_ms.lst: kern/generic/rtc_get_time_ms.c $(kern/generic/rtc_get_time_ms.c_DEPENDENCIES) genpartmaplist.sh + set -e; $(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -E $< | sh $(srcdir)/genpartmaplist.sh kernel > $@ || (rm -f $@; exit 1) + + +kernel_mod-kern_generic_millisleep.o: kern/generic/millisleep.c $(kern/generic/millisleep.c_DEPENDENCIES) + $(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -MD -c -o $@ $< +-include kernel_mod-kern_generic_millisleep.d + +CLEANFILES += cmd-kernel_mod-kern_generic_millisleep.lst fs-kernel_mod-kern_generic_millisleep.lst partmap-kernel_mod-kern_generic_millisleep.lst +COMMANDFILES += cmd-kernel_mod-kern_generic_millisleep.lst +FSFILES += fs-kernel_mod-kern_generic_millisleep.lst +PARTMAPFILES += partmap-kernel_mod-kern_generic_millisleep.lst + +cmd-kernel_mod-kern_generic_millisleep.lst: kern/generic/millisleep.c $(kern/generic/millisleep.c_DEPENDENCIES) gencmdlist.sh + set -e; $(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -E $< | sh $(srcdir)/gencmdlist.sh kernel > $@ || (rm -f $@; exit 1) + +fs-kernel_mod-kern_generic_millisleep.lst: kern/generic/millisleep.c $(kern/generic/millisleep.c_DEPENDENCIES) genfslist.sh + set -e; $(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -E $< | sh $(srcdir)/genfslist.sh kernel > $@ || (rm -f $@; exit 1) + +partmap-kernel_mod-kern_generic_millisleep.lst: kern/generic/millisleep.c $(kern/generic/millisleep.c_DEPENDENCIES) genpartmaplist.sh + set -e; $(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_mod_CFLAGS) -E $< | sh $(srcdir)/genpartmaplist.sh kernel > $@ || (rm -f $@; exit 1) + + kernel_mod_HEADERS = arg.h boot.h cache.h device.h disk.h dl.h elf.h elfload.h \ env.h err.h file.h fs.h kernel.h loader.h misc.h mm.h net.h parser.h \ partition.h pc_partition.h rescue.h symbol.h term.h time.h types.h \ diff --git a/conf/i386-ieee1275.mk b/conf/i386-ieee1275.mk index c2e1f3f35..0389f424b 100644 --- a/conf/i386-ieee1275.mk +++ b/conf/i386-ieee1275.mk @@ -20,15 +20,16 @@ kernel_elf_SOURCES = kern/i386/ieee1275/startup.S kern/i386/ieee1275/init.c \ kern/misc.c kern/mm.c kern/loader.c kern/rescue.c kern/term.c \ kern/i386/dl.c kern/parser.c kern/partition.c \ kern/env.c \ + kern/generic/millisleep.c \ kern/ieee1275/ieee1275.c \ term/ieee1275/ofconsole.c term/i386/pc/at_keyboard.c \ disk/ieee1275/ofdisk.c \ symlist.c -CLEANFILES += kernel.elf kernel_elf-kern_i386_ieee1275_startup.o kernel_elf-kern_i386_ieee1275_init.o kernel_elf-kern_ieee1275_init.o kernel_elf-kern_ieee1275_cmain.o kernel_elf-kern_ieee1275_openfw.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_err.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-kern_i386_dl.o kernel_elf-kern_parser.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-kern_ieee1275_ieee1275.o kernel_elf-term_ieee1275_ofconsole.o kernel_elf-term_i386_pc_at_keyboard.o kernel_elf-disk_ieee1275_ofdisk.o kernel_elf-symlist.o -MOSTLYCLEANFILES += kernel_elf-kern_i386_ieee1275_startup.d kernel_elf-kern_i386_ieee1275_init.d kernel_elf-kern_ieee1275_init.d kernel_elf-kern_ieee1275_cmain.d kernel_elf-kern_ieee1275_openfw.d kernel_elf-kern_main.d kernel_elf-kern_device.d kernel_elf-kern_disk.d kernel_elf-kern_dl.d kernel_elf-kern_file.d kernel_elf-kern_fs.d kernel_elf-kern_err.d kernel_elf-kern_misc.d kernel_elf-kern_mm.d kernel_elf-kern_loader.d kernel_elf-kern_rescue.d kernel_elf-kern_term.d kernel_elf-kern_i386_dl.d kernel_elf-kern_parser.d kernel_elf-kern_partition.d kernel_elf-kern_env.d kernel_elf-kern_ieee1275_ieee1275.d kernel_elf-term_ieee1275_ofconsole.d kernel_elf-term_i386_pc_at_keyboard.d kernel_elf-disk_ieee1275_ofdisk.d kernel_elf-symlist.d +CLEANFILES += kernel.elf kernel_elf-kern_i386_ieee1275_startup.o kernel_elf-kern_i386_ieee1275_init.o kernel_elf-kern_ieee1275_init.o kernel_elf-kern_ieee1275_cmain.o kernel_elf-kern_ieee1275_openfw.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_err.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-kern_i386_dl.o kernel_elf-kern_parser.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-kern_generic_millisleep.o kernel_elf-kern_ieee1275_ieee1275.o kernel_elf-term_ieee1275_ofconsole.o kernel_elf-term_i386_pc_at_keyboard.o kernel_elf-disk_ieee1275_ofdisk.o kernel_elf-symlist.o +MOSTLYCLEANFILES += kernel_elf-kern_i386_ieee1275_startup.d kernel_elf-kern_i386_ieee1275_init.d kernel_elf-kern_ieee1275_init.d kernel_elf-kern_ieee1275_cmain.d kernel_elf-kern_ieee1275_openfw.d kernel_elf-kern_main.d kernel_elf-kern_device.d kernel_elf-kern_disk.d kernel_elf-kern_dl.d kernel_elf-kern_file.d kernel_elf-kern_fs.d kernel_elf-kern_err.d kernel_elf-kern_misc.d kernel_elf-kern_mm.d kernel_elf-kern_loader.d kernel_elf-kern_rescue.d kernel_elf-kern_term.d kernel_elf-kern_i386_dl.d kernel_elf-kern_parser.d kernel_elf-kern_partition.d kernel_elf-kern_env.d kernel_elf-kern_generic_millisleep.d kernel_elf-kern_ieee1275_ieee1275.d kernel_elf-term_ieee1275_ofconsole.d kernel_elf-term_i386_pc_at_keyboard.d kernel_elf-disk_ieee1275_ofdisk.d kernel_elf-symlist.d -kernel.elf: $(kernel_elf_DEPENDENCIES) kernel_elf-kern_i386_ieee1275_startup.o kernel_elf-kern_i386_ieee1275_init.o kernel_elf-kern_ieee1275_init.o kernel_elf-kern_ieee1275_cmain.o kernel_elf-kern_ieee1275_openfw.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_err.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-kern_i386_dl.o kernel_elf-kern_parser.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-kern_ieee1275_ieee1275.o kernel_elf-term_ieee1275_ofconsole.o kernel_elf-term_i386_pc_at_keyboard.o kernel_elf-disk_ieee1275_ofdisk.o kernel_elf-symlist.o - $(TARGET_CC) -o $@ kernel_elf-kern_i386_ieee1275_startup.o kernel_elf-kern_i386_ieee1275_init.o kernel_elf-kern_ieee1275_init.o kernel_elf-kern_ieee1275_cmain.o kernel_elf-kern_ieee1275_openfw.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_err.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-kern_i386_dl.o kernel_elf-kern_parser.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-kern_ieee1275_ieee1275.o kernel_elf-term_ieee1275_ofconsole.o kernel_elf-term_i386_pc_at_keyboard.o kernel_elf-disk_ieee1275_ofdisk.o kernel_elf-symlist.o $(TARGET_LDFLAGS) $(kernel_elf_LDFLAGS) +kernel.elf: $(kernel_elf_DEPENDENCIES) kernel_elf-kern_i386_ieee1275_startup.o kernel_elf-kern_i386_ieee1275_init.o kernel_elf-kern_ieee1275_init.o kernel_elf-kern_ieee1275_cmain.o kernel_elf-kern_ieee1275_openfw.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_err.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-kern_i386_dl.o kernel_elf-kern_parser.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-kern_generic_millisleep.o kernel_elf-kern_ieee1275_ieee1275.o kernel_elf-term_ieee1275_ofconsole.o kernel_elf-term_i386_pc_at_keyboard.o kernel_elf-disk_ieee1275_ofdisk.o kernel_elf-symlist.o + $(TARGET_CC) -o $@ kernel_elf-kern_i386_ieee1275_startup.o kernel_elf-kern_i386_ieee1275_init.o kernel_elf-kern_ieee1275_init.o kernel_elf-kern_ieee1275_cmain.o kernel_elf-kern_ieee1275_openfw.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_err.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-kern_i386_dl.o kernel_elf-kern_parser.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-kern_generic_millisleep.o kernel_elf-kern_ieee1275_ieee1275.o kernel_elf-term_ieee1275_ofconsole.o kernel_elf-term_i386_pc_at_keyboard.o kernel_elf-disk_ieee1275_ofdisk.o kernel_elf-symlist.o $(TARGET_LDFLAGS) $(kernel_elf_LDFLAGS) kernel_elf-kern_i386_ieee1275_startup.o: kern/i386/ieee1275/startup.S $(kern/i386/ieee1275/startup.S_DEPENDENCIES) $(TARGET_CC) -Ikern/i386/ieee1275 -I$(srcdir)/kern/i386/ieee1275 $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_elf_CFLAGS) -MD -c -o $@ $< @@ -114,6 +115,10 @@ kernel_elf-kern_env.o: kern/env.c $(kern/env.c_DEPENDENCIES) $(TARGET_CC) -Ikern -I$(srcdir)/kern $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_elf_CFLAGS) -MD -c -o $@ $< -include kernel_elf-kern_env.d +kernel_elf-kern_generic_millisleep.o: kern/generic/millisleep.c $(kern/generic/millisleep.c_DEPENDENCIES) + $(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_elf_CFLAGS) -MD -c -o $@ $< +-include kernel_elf-kern_generic_millisleep.d + kernel_elf-kern_ieee1275_ieee1275.o: kern/ieee1275/ieee1275.c $(kern/ieee1275/ieee1275.c_DEPENDENCIES) $(TARGET_CC) -Ikern/ieee1275 -I$(srcdir)/kern/ieee1275 $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_elf_CFLAGS) -MD -c -o $@ $< -include kernel_elf-kern_ieee1275_ieee1275.d diff --git a/conf/i386-pc.mk b/conf/i386-pc.mk index 28d6cebdf..71d975817 100644 --- a/conf/i386-pc.mk +++ b/conf/i386-pc.mk @@ -108,17 +108,21 @@ cdboot_img_LDFLAGS = $(COMMON_LDFLAGS) $(TARGET_IMG_LDFLAGS) -Wl,-Ttext,7C00 kernel_img_SOURCES = kern/i386/pc/startup.S kern/main.c kern/device.c \ kern/disk.c kern/dl.c kern/file.c kern/fs.c kern/err.c \ kern/misc.c kern/mm.c kern/loader.c kern/rescue.c kern/term.c \ + kern/time.c \ kern/i386/dl.c kern/i386/pc/init.c kern/parser.c kern/partition.c \ + kern/i386/tsc.c \ + kern/generic/rtc_get_time_ms.c \ + kern/generic/millisleep.c \ kern/env.c \ term/i386/pc/console.c \ symlist.c -CLEANFILES += kernel.img kernel.exec kernel_img-kern_i386_pc_startup.o kernel_img-kern_main.o kernel_img-kern_device.o kernel_img-kern_disk.o kernel_img-kern_dl.o kernel_img-kern_file.o kernel_img-kern_fs.o kernel_img-kern_err.o kernel_img-kern_misc.o kernel_img-kern_mm.o kernel_img-kern_loader.o kernel_img-kern_rescue.o kernel_img-kern_term.o kernel_img-kern_i386_dl.o kernel_img-kern_i386_pc_init.o kernel_img-kern_parser.o kernel_img-kern_partition.o kernel_img-kern_env.o kernel_img-term_i386_pc_console.o kernel_img-symlist.o -MOSTLYCLEANFILES += kernel_img-kern_i386_pc_startup.d kernel_img-kern_main.d kernel_img-kern_device.d kernel_img-kern_disk.d kernel_img-kern_dl.d kernel_img-kern_file.d kernel_img-kern_fs.d kernel_img-kern_err.d kernel_img-kern_misc.d kernel_img-kern_mm.d kernel_img-kern_loader.d kernel_img-kern_rescue.d kernel_img-kern_term.d kernel_img-kern_i386_dl.d kernel_img-kern_i386_pc_init.d kernel_img-kern_parser.d kernel_img-kern_partition.d kernel_img-kern_env.d kernel_img-term_i386_pc_console.d kernel_img-symlist.d +CLEANFILES += kernel.img kernel.exec kernel_img-kern_i386_pc_startup.o kernel_img-kern_main.o kernel_img-kern_device.o kernel_img-kern_disk.o kernel_img-kern_dl.o kernel_img-kern_file.o kernel_img-kern_fs.o kernel_img-kern_err.o kernel_img-kern_misc.o kernel_img-kern_mm.o kernel_img-kern_loader.o kernel_img-kern_rescue.o kernel_img-kern_term.o kernel_img-kern_time.o kernel_img-kern_i386_dl.o kernel_img-kern_i386_pc_init.o kernel_img-kern_parser.o kernel_img-kern_partition.o kernel_img-kern_i386_tsc.o kernel_img-kern_generic_rtc_get_time_ms.o kernel_img-kern_generic_millisleep.o kernel_img-kern_env.o kernel_img-term_i386_pc_console.o kernel_img-symlist.o +MOSTLYCLEANFILES += kernel_img-kern_i386_pc_startup.d kernel_img-kern_main.d kernel_img-kern_device.d kernel_img-kern_disk.d kernel_img-kern_dl.d kernel_img-kern_file.d kernel_img-kern_fs.d kernel_img-kern_err.d kernel_img-kern_misc.d kernel_img-kern_mm.d kernel_img-kern_loader.d kernel_img-kern_rescue.d kernel_img-kern_term.d kernel_img-kern_time.d kernel_img-kern_i386_dl.d kernel_img-kern_i386_pc_init.d kernel_img-kern_parser.d kernel_img-kern_partition.d kernel_img-kern_i386_tsc.d kernel_img-kern_generic_rtc_get_time_ms.d kernel_img-kern_generic_millisleep.d kernel_img-kern_env.d kernel_img-term_i386_pc_console.d kernel_img-symlist.d kernel.img: kernel.exec $(OBJCOPY) -O binary -R .note -R .comment -R .note.gnu.build-id $< $@ -kernel.exec: kernel_img-kern_i386_pc_startup.o kernel_img-kern_main.o kernel_img-kern_device.o kernel_img-kern_disk.o kernel_img-kern_dl.o kernel_img-kern_file.o kernel_img-kern_fs.o kernel_img-kern_err.o kernel_img-kern_misc.o kernel_img-kern_mm.o kernel_img-kern_loader.o kernel_img-kern_rescue.o kernel_img-kern_term.o kernel_img-kern_i386_dl.o kernel_img-kern_i386_pc_init.o kernel_img-kern_parser.o kernel_img-kern_partition.o kernel_img-kern_env.o kernel_img-term_i386_pc_console.o kernel_img-symlist.o +kernel.exec: kernel_img-kern_i386_pc_startup.o kernel_img-kern_main.o kernel_img-kern_device.o kernel_img-kern_disk.o kernel_img-kern_dl.o kernel_img-kern_file.o kernel_img-kern_fs.o kernel_img-kern_err.o kernel_img-kern_misc.o kernel_img-kern_mm.o kernel_img-kern_loader.o kernel_img-kern_rescue.o kernel_img-kern_term.o kernel_img-kern_time.o kernel_img-kern_i386_dl.o kernel_img-kern_i386_pc_init.o kernel_img-kern_parser.o kernel_img-kern_partition.o kernel_img-kern_i386_tsc.o kernel_img-kern_generic_rtc_get_time_ms.o kernel_img-kern_generic_millisleep.o kernel_img-kern_env.o kernel_img-term_i386_pc_console.o kernel_img-symlist.o $(TARGET_CC) -o $@ $^ $(TARGET_LDFLAGS) $(kernel_img_LDFLAGS) kernel_img-kern_i386_pc_startup.o: kern/i386/pc/startup.S $(kern/i386/pc/startup.S_DEPENDENCIES) @@ -173,6 +177,10 @@ kernel_img-kern_term.o: kern/term.c $(kern/term.c_DEPENDENCIES) $(TARGET_CC) -Ikern -I$(srcdir)/kern $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_img_CFLAGS) -MD -c -o $@ $< -include kernel_img-kern_term.d +kernel_img-kern_time.o: kern/time.c $(kern/time.c_DEPENDENCIES) + $(TARGET_CC) -Ikern -I$(srcdir)/kern $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_img_CFLAGS) -MD -c -o $@ $< +-include kernel_img-kern_time.d + kernel_img-kern_i386_dl.o: kern/i386/dl.c $(kern/i386/dl.c_DEPENDENCIES) $(TARGET_CC) -Ikern/i386 -I$(srcdir)/kern/i386 $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_img_CFLAGS) -MD -c -o $@ $< -include kernel_img-kern_i386_dl.d @@ -189,6 +197,18 @@ kernel_img-kern_partition.o: kern/partition.c $(kern/partition.c_DEPENDENCIES) $(TARGET_CC) -Ikern -I$(srcdir)/kern $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_img_CFLAGS) -MD -c -o $@ $< -include kernel_img-kern_partition.d +kernel_img-kern_i386_tsc.o: kern/i386/tsc.c $(kern/i386/tsc.c_DEPENDENCIES) + $(TARGET_CC) -Ikern/i386 -I$(srcdir)/kern/i386 $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_img_CFLAGS) -MD -c -o $@ $< +-include kernel_img-kern_i386_tsc.d + +kernel_img-kern_generic_rtc_get_time_ms.o: kern/generic/rtc_get_time_ms.c $(kern/generic/rtc_get_time_ms.c_DEPENDENCIES) + $(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_img_CFLAGS) -MD -c -o $@ $< +-include kernel_img-kern_generic_rtc_get_time_ms.d + +kernel_img-kern_generic_millisleep.o: kern/generic/millisleep.c $(kern/generic/millisleep.c_DEPENDENCIES) + $(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_img_CFLAGS) -MD -c -o $@ $< +-include kernel_img-kern_generic_millisleep.d + kernel_img-kern_env.o: kern/env.c $(kern/env.c_DEPENDENCIES) $(TARGET_CC) -Ikern -I$(srcdir)/kern $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_img_CFLAGS) -MD -c -o $@ $< -include kernel_img-kern_env.d diff --git a/conf/powerpc-ieee1275.mk b/conf/powerpc-ieee1275.mk index cb9351d68..c9eb1feb0 100644 --- a/conf/powerpc-ieee1275.mk +++ b/conf/powerpc-ieee1275.mk @@ -440,12 +440,13 @@ kernel_elf_SOURCES = kern/powerpc/ieee1275/crt0.S kern/ieee1275/cmain.c \ kern/ieee1275/init.c term/ieee1275/ofconsole.c \ kern/ieee1275/openfw.c disk/ieee1275/ofdisk.c \ kern/parser.c kern/partition.c kern/env.c kern/powerpc/dl.c \ + kern/generic/millisleep.c \ symlist.c kern/powerpc/cache.S -CLEANFILES += kernel.elf kernel_elf-kern_powerpc_ieee1275_crt0.o kernel_elf-kern_ieee1275_cmain.o kernel_elf-kern_ieee1275_ieee1275.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_err.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-kern_ieee1275_init.o kernel_elf-term_ieee1275_ofconsole.o kernel_elf-kern_ieee1275_openfw.o kernel_elf-disk_ieee1275_ofdisk.o kernel_elf-kern_parser.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-kern_powerpc_dl.o kernel_elf-symlist.o kernel_elf-kern_powerpc_cache.o -MOSTLYCLEANFILES += kernel_elf-kern_powerpc_ieee1275_crt0.d kernel_elf-kern_ieee1275_cmain.d kernel_elf-kern_ieee1275_ieee1275.d kernel_elf-kern_main.d kernel_elf-kern_device.d kernel_elf-kern_disk.d kernel_elf-kern_dl.d kernel_elf-kern_err.d kernel_elf-kern_file.d kernel_elf-kern_fs.d kernel_elf-kern_misc.d kernel_elf-kern_mm.d kernel_elf-kern_loader.d kernel_elf-kern_rescue.d kernel_elf-kern_term.d kernel_elf-kern_ieee1275_init.d kernel_elf-term_ieee1275_ofconsole.d kernel_elf-kern_ieee1275_openfw.d kernel_elf-disk_ieee1275_ofdisk.d kernel_elf-kern_parser.d kernel_elf-kern_partition.d kernel_elf-kern_env.d kernel_elf-kern_powerpc_dl.d kernel_elf-symlist.d kernel_elf-kern_powerpc_cache.d +CLEANFILES += kernel.elf kernel_elf-kern_powerpc_ieee1275_crt0.o kernel_elf-kern_ieee1275_cmain.o kernel_elf-kern_ieee1275_ieee1275.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_err.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-kern_ieee1275_init.o kernel_elf-term_ieee1275_ofconsole.o kernel_elf-kern_ieee1275_openfw.o kernel_elf-disk_ieee1275_ofdisk.o kernel_elf-kern_parser.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-kern_powerpc_dl.o kernel_elf-kern_generic_millisleep.o kernel_elf-symlist.o kernel_elf-kern_powerpc_cache.o +MOSTLYCLEANFILES += kernel_elf-kern_powerpc_ieee1275_crt0.d kernel_elf-kern_ieee1275_cmain.d kernel_elf-kern_ieee1275_ieee1275.d kernel_elf-kern_main.d kernel_elf-kern_device.d kernel_elf-kern_disk.d kernel_elf-kern_dl.d kernel_elf-kern_err.d kernel_elf-kern_file.d kernel_elf-kern_fs.d kernel_elf-kern_misc.d kernel_elf-kern_mm.d kernel_elf-kern_loader.d kernel_elf-kern_rescue.d kernel_elf-kern_term.d kernel_elf-kern_ieee1275_init.d kernel_elf-term_ieee1275_ofconsole.d kernel_elf-kern_ieee1275_openfw.d kernel_elf-disk_ieee1275_ofdisk.d kernel_elf-kern_parser.d kernel_elf-kern_partition.d kernel_elf-kern_env.d kernel_elf-kern_powerpc_dl.d kernel_elf-kern_generic_millisleep.d kernel_elf-symlist.d kernel_elf-kern_powerpc_cache.d -kernel.elf: $(kernel_elf_DEPENDENCIES) kernel_elf-kern_powerpc_ieee1275_crt0.o kernel_elf-kern_ieee1275_cmain.o kernel_elf-kern_ieee1275_ieee1275.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_err.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-kern_ieee1275_init.o kernel_elf-term_ieee1275_ofconsole.o kernel_elf-kern_ieee1275_openfw.o kernel_elf-disk_ieee1275_ofdisk.o kernel_elf-kern_parser.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-kern_powerpc_dl.o kernel_elf-symlist.o kernel_elf-kern_powerpc_cache.o - $(TARGET_CC) -o $@ kernel_elf-kern_powerpc_ieee1275_crt0.o kernel_elf-kern_ieee1275_cmain.o kernel_elf-kern_ieee1275_ieee1275.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_err.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-kern_ieee1275_init.o kernel_elf-term_ieee1275_ofconsole.o kernel_elf-kern_ieee1275_openfw.o kernel_elf-disk_ieee1275_ofdisk.o kernel_elf-kern_parser.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-kern_powerpc_dl.o kernel_elf-symlist.o kernel_elf-kern_powerpc_cache.o $(TARGET_LDFLAGS) $(kernel_elf_LDFLAGS) +kernel.elf: $(kernel_elf_DEPENDENCIES) kernel_elf-kern_powerpc_ieee1275_crt0.o kernel_elf-kern_ieee1275_cmain.o kernel_elf-kern_ieee1275_ieee1275.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_err.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-kern_ieee1275_init.o kernel_elf-term_ieee1275_ofconsole.o kernel_elf-kern_ieee1275_openfw.o kernel_elf-disk_ieee1275_ofdisk.o kernel_elf-kern_parser.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-kern_powerpc_dl.o kernel_elf-kern_generic_millisleep.o kernel_elf-symlist.o kernel_elf-kern_powerpc_cache.o + $(TARGET_CC) -o $@ kernel_elf-kern_powerpc_ieee1275_crt0.o kernel_elf-kern_ieee1275_cmain.o kernel_elf-kern_ieee1275_ieee1275.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_err.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-kern_ieee1275_init.o kernel_elf-term_ieee1275_ofconsole.o kernel_elf-kern_ieee1275_openfw.o kernel_elf-disk_ieee1275_ofdisk.o kernel_elf-kern_parser.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-kern_powerpc_dl.o kernel_elf-kern_generic_millisleep.o kernel_elf-symlist.o kernel_elf-kern_powerpc_cache.o $(TARGET_LDFLAGS) $(kernel_elf_LDFLAGS) kernel_elf-kern_powerpc_ieee1275_crt0.o: kern/powerpc/ieee1275/crt0.S $(kern/powerpc/ieee1275/crt0.S_DEPENDENCIES) $(TARGET_CC) -Ikern/powerpc/ieee1275 -I$(srcdir)/kern/powerpc/ieee1275 $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_elf_CFLAGS) -MD -c -o $@ $< @@ -539,6 +540,10 @@ kernel_elf-kern_powerpc_dl.o: kern/powerpc/dl.c $(kern/powerpc/dl.c_DEPENDENCIES $(TARGET_CC) -Ikern/powerpc -I$(srcdir)/kern/powerpc $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_elf_CFLAGS) -MD -c -o $@ $< -include kernel_elf-kern_powerpc_dl.d +kernel_elf-kern_generic_millisleep.o: kern/generic/millisleep.c $(kern/generic/millisleep.c_DEPENDENCIES) + $(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_elf_CFLAGS) -MD -c -o $@ $< +-include kernel_elf-kern_generic_millisleep.d + kernel_elf-symlist.o: symlist.c $(symlist.c_DEPENDENCIES) $(TARGET_CC) -I. -I$(srcdir)/. $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_elf_CFLAGS) -MD -c -o $@ $< -include kernel_elf-symlist.d diff --git a/conf/sparc64-ieee1275.mk b/conf/sparc64-ieee1275.mk index a2b963863..cbdd52a13 100644 --- a/conf/sparc64-ieee1275.mk +++ b/conf/sparc64-ieee1275.mk @@ -74,12 +74,13 @@ kernel_elf_SOURCES = kern/sparc64/ieee1275/init.c kern/ieee1275/ieee1275.c \ kern/rescue.c kern/term.c term/ieee1275/ofconsole.c \ kern/sparc64/ieee1275/openfw.c disk/ieee1275/ofdisk.c \ kern/partition.c kern/env.c kern/sparc64/dl.c symlist.c \ + kern/generic/millisleep.c kern/generic/get_time_ms.c \ kern/sparc64/cache.S kern/parser.c -CLEANFILES += kernel.elf kernel_elf-kern_sparc64_ieee1275_init.o kernel_elf-kern_ieee1275_ieee1275.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_err.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-term_ieee1275_ofconsole.o kernel_elf-kern_sparc64_ieee1275_openfw.o kernel_elf-disk_ieee1275_ofdisk.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-kern_sparc64_dl.o kernel_elf-symlist.o kernel_elf-kern_sparc64_cache.o kernel_elf-kern_parser.o -MOSTLYCLEANFILES += kernel_elf-kern_sparc64_ieee1275_init.d kernel_elf-kern_ieee1275_ieee1275.d kernel_elf-kern_main.d kernel_elf-kern_device.d kernel_elf-kern_disk.d kernel_elf-kern_dl.d kernel_elf-kern_file.d kernel_elf-kern_fs.d kernel_elf-kern_err.d kernel_elf-kern_misc.d kernel_elf-kern_mm.d kernel_elf-kern_loader.d kernel_elf-kern_rescue.d kernel_elf-kern_term.d kernel_elf-term_ieee1275_ofconsole.d kernel_elf-kern_sparc64_ieee1275_openfw.d kernel_elf-disk_ieee1275_ofdisk.d kernel_elf-kern_partition.d kernel_elf-kern_env.d kernel_elf-kern_sparc64_dl.d kernel_elf-symlist.d kernel_elf-kern_sparc64_cache.d kernel_elf-kern_parser.d +CLEANFILES += kernel.elf kernel_elf-kern_sparc64_ieee1275_init.o kernel_elf-kern_ieee1275_ieee1275.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_err.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-term_ieee1275_ofconsole.o kernel_elf-kern_sparc64_ieee1275_openfw.o kernel_elf-disk_ieee1275_ofdisk.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-kern_sparc64_dl.o kernel_elf-symlist.o kernel_elf-kern_generic_millisleep.o kernel_elf-kern_generic_get_time_ms.o kernel_elf-kern_sparc64_cache.o kernel_elf-kern_parser.o +MOSTLYCLEANFILES += kernel_elf-kern_sparc64_ieee1275_init.d kernel_elf-kern_ieee1275_ieee1275.d kernel_elf-kern_main.d kernel_elf-kern_device.d kernel_elf-kern_disk.d kernel_elf-kern_dl.d kernel_elf-kern_file.d kernel_elf-kern_fs.d kernel_elf-kern_err.d kernel_elf-kern_misc.d kernel_elf-kern_mm.d kernel_elf-kern_loader.d kernel_elf-kern_rescue.d kernel_elf-kern_term.d kernel_elf-term_ieee1275_ofconsole.d kernel_elf-kern_sparc64_ieee1275_openfw.d kernel_elf-disk_ieee1275_ofdisk.d kernel_elf-kern_partition.d kernel_elf-kern_env.d kernel_elf-kern_sparc64_dl.d kernel_elf-symlist.d kernel_elf-kern_generic_millisleep.d kernel_elf-kern_generic_get_time_ms.d kernel_elf-kern_sparc64_cache.d kernel_elf-kern_parser.d -kernel.elf: $(kernel_elf_DEPENDENCIES) kernel_elf-kern_sparc64_ieee1275_init.o kernel_elf-kern_ieee1275_ieee1275.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_err.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-term_ieee1275_ofconsole.o kernel_elf-kern_sparc64_ieee1275_openfw.o kernel_elf-disk_ieee1275_ofdisk.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-kern_sparc64_dl.o kernel_elf-symlist.o kernel_elf-kern_sparc64_cache.o kernel_elf-kern_parser.o - $(TARGET_CC) -o $@ kernel_elf-kern_sparc64_ieee1275_init.o kernel_elf-kern_ieee1275_ieee1275.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_err.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-term_ieee1275_ofconsole.o kernel_elf-kern_sparc64_ieee1275_openfw.o kernel_elf-disk_ieee1275_ofdisk.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-kern_sparc64_dl.o kernel_elf-symlist.o kernel_elf-kern_sparc64_cache.o kernel_elf-kern_parser.o $(TARGET_LDFLAGS) $(kernel_elf_LDFLAGS) +kernel.elf: $(kernel_elf_DEPENDENCIES) kernel_elf-kern_sparc64_ieee1275_init.o kernel_elf-kern_ieee1275_ieee1275.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_err.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-term_ieee1275_ofconsole.o kernel_elf-kern_sparc64_ieee1275_openfw.o kernel_elf-disk_ieee1275_ofdisk.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-kern_sparc64_dl.o kernel_elf-symlist.o kernel_elf-kern_generic_millisleep.o kernel_elf-kern_generic_get_time_ms.o kernel_elf-kern_sparc64_cache.o kernel_elf-kern_parser.o + $(TARGET_CC) -o $@ kernel_elf-kern_sparc64_ieee1275_init.o kernel_elf-kern_ieee1275_ieee1275.o kernel_elf-kern_main.o kernel_elf-kern_device.o kernel_elf-kern_disk.o kernel_elf-kern_dl.o kernel_elf-kern_file.o kernel_elf-kern_fs.o kernel_elf-kern_err.o kernel_elf-kern_misc.o kernel_elf-kern_mm.o kernel_elf-kern_loader.o kernel_elf-kern_rescue.o kernel_elf-kern_term.o kernel_elf-term_ieee1275_ofconsole.o kernel_elf-kern_sparc64_ieee1275_openfw.o kernel_elf-disk_ieee1275_ofdisk.o kernel_elf-kern_partition.o kernel_elf-kern_env.o kernel_elf-kern_sparc64_dl.o kernel_elf-symlist.o kernel_elf-kern_generic_millisleep.o kernel_elf-kern_generic_get_time_ms.o kernel_elf-kern_sparc64_cache.o kernel_elf-kern_parser.o $(TARGET_LDFLAGS) $(kernel_elf_LDFLAGS) kernel_elf-kern_sparc64_ieee1275_init.o: kern/sparc64/ieee1275/init.c $(kern/sparc64/ieee1275/init.c_DEPENDENCIES) $(TARGET_CC) -Ikern/sparc64/ieee1275 -I$(srcdir)/kern/sparc64/ieee1275 $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_elf_CFLAGS) -MD -c -o $@ $< @@ -165,6 +166,14 @@ kernel_elf-symlist.o: symlist.c $(symlist.c_DEPENDENCIES) $(TARGET_CC) -I. -I$(srcdir)/. $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_elf_CFLAGS) -MD -c -o $@ $< -include kernel_elf-symlist.d +kernel_elf-kern_generic_millisleep.o: kern/generic/millisleep.c $(kern/generic/millisleep.c_DEPENDENCIES) + $(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_elf_CFLAGS) -MD -c -o $@ $< +-include kernel_elf-kern_generic_millisleep.d + +kernel_elf-kern_generic_get_time_ms.o: kern/generic/get_time_ms.c $(kern/generic/get_time_ms.c_DEPENDENCIES) + $(TARGET_CC) -Ikern/generic -I$(srcdir)/kern/generic $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_elf_CFLAGS) -MD -c -o $@ $< +-include kernel_elf-kern_generic_get_time_ms.d + kernel_elf-kern_sparc64_cache.o: kern/sparc64/cache.S $(kern/sparc64/cache.S_DEPENDENCIES) $(TARGET_CC) -Ikern/sparc64 -I$(srcdir)/kern/sparc64 $(TARGET_CPPFLAGS) $(TARGET_CFLAGS) $(kernel_elf_CFLAGS) -MD -c -o $@ $< -include kernel_elf-kern_sparc64_cache.d diff --git a/include/grub/i386/tsc.h b/include/grub/i386/tsc.h new file mode 100644 index 000000000..63ec69df5 --- /dev/null +++ b/include/grub/i386/tsc.h @@ -0,0 +1,80 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#ifndef KERNEL_CPU_TSC_HEADER +#define KERNEL_CPU_TSC_HEADER 1 + +#include + +/* Read the TSC value, which increments with each CPU clock cycle. */ +static __inline grub_uint64_t +grub_get_tsc (void) +{ + grub_uint32_t lo, hi; + + /* The CPUID instruction is a 'serializing' instruction, and + avoids out-of-order execution of the RDTSC instruction. */ + __asm__ __volatile__ ("xorl %%eax, %%eax\n\t" + "cpuid":::"%rax", "%rbx", "%rcx", "%rdx"); + /* Read TSC value. We cannot use "=A", since this would use + %rax on x86_64. */ + __asm__ __volatile__ ("rdtsc":"=a" (lo), "=d" (hi)); + + return (((grub_uint64_t) hi) << 32) | lo; +} + +static __inline int +grub_cpu_is_cpuid_supported (void) +{ + grub_uint32_t id_supported; + + __asm__ ("pushfl\n\t" + "popl %%eax /* Get EFLAGS into EAX */\n\t" + "movl %%eax, %%ecx /* Save original flags in ECX */\n\t" + "xorl $0x200000, %%eax /* Flip ID bit in EFLAGS */\n\t" + "pushl %%eax /* Store modified EFLAGS on stack */\n\t" + "popfl /* Replace current EFLAGS */\n\t" + "pushfl /* Read back the EFLAGS */\n\t" + "popl %%eax /* Get EFLAGS into EAX */\n\t" + "xorl %%ecx, %%eax /* Check if flag could be modified */\n\t" + : "=a" (id_supported) + : /* No inputs. */ + : /* Clobbered: */ "%rcx"); + + return id_supported != 0; +} + +static __inline int +grub_cpu_is_tsc_supported (void) +{ + if (! grub_cpu_is_cpuid_supported ()) + return 0; + + grub_uint32_t features; + __asm__ ("movl $1, %%eax\n\t" + "cpuid" + : "=d" (features) + : /* No inputs. */ + : /* Clobbered: */ "%rax", "%rbx", "%rcx"); + return (features & (1 << 4)) != 0; +} + +void grub_tsc_init (void); +grub_uint64_t grub_tsc_get_time_ms (void); + +#endif /* ! KERNEL_CPU_TSC_HEADER */ diff --git a/kern/generic/millisleep.c b/kern/generic/millisleep.c new file mode 100644 index 000000000..20d883d44 --- /dev/null +++ b/kern/generic/millisleep.c @@ -0,0 +1,39 @@ +/* millisleep.c - generic millisleep function. + * The generic implementation of these functions can be used for architectures + * or platforms that do not have a more specialized implementation. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#include +#include + +void +grub_millisleep (grub_uint32_t ms) +{ + grub_uint64_t start; + + start = grub_get_time_ms (); + + /* Instead of setting an end time and looping while the current time is + less than that, comparing the elapsed sleep time with the desired sleep + time handles the (unlikely!) case that the timer would wrap around + during the sleep. */ + + while (grub_get_time_ms () - start < ms) + grub_cpu_idle (); +} diff --git a/kern/generic/rtc_get_time_ms.c b/kern/generic/rtc_get_time_ms.c new file mode 100644 index 000000000..74979e7fd --- /dev/null +++ b/kern/generic/rtc_get_time_ms.c @@ -0,0 +1,37 @@ +/* rtc_get_time_ms.c - get_time_ms implementation using platform RTC. + * The generic implementation of these functions can be used for architectures + * or platforms that do not have a more specialized implementation. */ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#include +#include + +/* Calculate the time in milliseconds since the epoch based on the RTC. */ +grub_uint64_t +grub_rtc_get_time_ms (void) +{ + /* By dimensional analysis: + + 1000 ms N rtc ticks 1 s + ------- * ----------- * ----------- = 1000*N/T ms + 1 s 1 T rtc ticks + */ + grub_uint64_t ticks_ms_per_sec = ((grub_uint64_t) 1000) * grub_get_rtc (); + return grub_divmod64 (ticks_ms_per_sec, GRUB_TICKS_PER_SECOND, 0); +} diff --git a/kern/i386/tsc.c b/kern/i386/tsc.c new file mode 100644 index 000000000..a142e3d64 --- /dev/null +++ b/kern/i386/tsc.c @@ -0,0 +1,102 @@ +/* kern/i386/tsc.c - x86 TSC time source implementation + * Requires Pentium or better x86 CPU that supports the RDTSC instruction. + * This module uses the RTC (via grub_get_rtc()) to calibrate the TSC to + * real time. + * + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2008 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see . + */ + +#include +#include +#include +#include + +/* Calibrated reference for TSC=0. This defines the time since the epoch in + milliseconds that TSC=0 refers to. */ +static grub_uint64_t tsc_boot_time; + +/* Calibrated TSC rate. (In TSC ticks per millisecond.) */ +static grub_uint64_t tsc_ticks_per_ms; + + +grub_uint64_t +grub_tsc_get_time_ms (void) +{ + return tsc_boot_time + grub_divmod64 (grub_get_tsc (), tsc_ticks_per_ms, 0); +} + + +/* How many RTC ticks to use for calibration loop. (>= 1) */ +#define CALIBRATION_TICKS 2 + +/* Calibrate the TSC based on the RTC. */ +static void +calibrate_tsc (void) +{ + /* First calbrate the TSC rate (relative, not absolute time). */ + grub_uint64_t start_tsc; + grub_uint64_t end_tsc; + grub_uint32_t initial_tick; + grub_uint32_t start_tick; + grub_uint32_t end_tick; + + /* Wait for the start of the next tick; + we'll base out timing off this edge. */ + initial_tick = grub_get_rtc (); + do + { + start_tick = grub_get_rtc (); + } + while (start_tick == initial_tick); + start_tsc = grub_get_tsc (); + + /* Wait for the start of the next tick. This will + be the end of the 1-tick period. */ + do + { + end_tick = grub_get_rtc (); + } + while (end_tick - start_tick < CALIBRATION_TICKS); + end_tsc = grub_get_tsc (); + + tsc_ticks_per_ms = + grub_divmod64 (grub_divmod64 + (end_tsc - start_tsc, end_tick - start_tick, 0) + * GRUB_TICKS_PER_SECOND, 1000, 0); + + /* Reference the TSC zero (boot time) to the epoch to + get an absolute real time reference. */ + grub_uint64_t ms_since_boot = grub_divmod64 (end_tsc, tsc_ticks_per_ms, 0); + grub_uint64_t mstime_now = grub_divmod64 ((grub_uint64_t) 1000 * end_tick, + GRUB_TICKS_PER_SECOND, + 0); + tsc_boot_time = mstime_now - ms_since_boot; +} + +void +grub_tsc_init (void) +{ + if (grub_cpu_is_tsc_supported ()) + { + calibrate_tsc (); + grub_install_get_time_ms (grub_tsc_get_time_ms); + } + else + { + grub_install_get_time_ms (grub_rtc_get_time_ms); + } +}