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111 Commits

Author SHA1 Message Date
Vladimir Serbinenko
25492a0f04 Add wbinvd around bios call. 
Via C3 has problems with cache coherency when transitioning between the modes,
so flush it around bios calls.
 2016-02-14 08:34:10 +01:00
Vladimir Serbinenko
d9a3bfead8 Split pmtimer wait and tsc measurement from pmtimer tsc calibration. 2016-02-12 11:40:51 +01:00
Vladimir Serbinenko
1933d37371 Make grub_cpu_is_tsc_supported generally available. 2016-02-12 11:38:51 +01:00
Vladimir Serbinenko
b29638222e Make grub_acpi_find_fadt accessible generically 2016-02-12 11:35:48 +01:00
Michael Chang
a03c1034f6 i386: fix TSC calibration using PIT 
Condition was accidentally reversed, so PIT calibration always failed
when PIT was present and always succeeded when PIT was missing, but in
the latter case resulted in absurdly fast clock.

Reported and tested by Vitaly Kuznetsov <vkuznets@redhat.com>
 2015-12-01 18:49:38 +03:00
Vladimir Serbinenko
d43a5ee651 tsc: Use alternative delay sources whenever appropriate. 
PIT isn't available on some of new hardware including Hyper-V. So
use pmtimer for calibration. Moreover pmtimer calibration is faster, so
use it on coreboor where booting time is important.

Based on patch by Michael Chang.
 2015-11-27 11:39:55 +01:00
Vladimir Serbinenko
50ebc8f5f3 i386/tsc: Fix unused function warning on xen. 2015-02-22 13:12:44 +01:00
Vladimir Serbinenko
3c6043245e qemu: Switch to more portable .org 
Binary is checked identical.
 2015-02-21 20:13:58 +01:00
Vladimir Serbinenko
e62ca2a870 qemu: Fix compilation 2015-02-21 19:55:53 +01:00
Vladimir Serbinenko
44ff462e83 Remove realmode.S from coreboot and qemu. 
It's not used there.
 2015-02-21 19:53:18 +01:00
Vladimir Serbinenko
37353f0ae5 i386: Remove needless ADDR32 prefixes when address is known and fixed. 
Shaves off 6 bytes in lzma_decompress.img.
 2015-02-21 17:38:56 +01:00
Vladimir Serbinenko
f571dc1af8 i386: Move from explicit ADDR32/DATA32 prefixes to instruction suffixes. 
Is more portable.
Binary is unchanged (verified).
 2015-02-21 17:13:23 +01:00
Vladimir Serbinenko
21f22c7107 i386/pc/mmap: Fix memset size. 
Found by: Coverity scan.
 2015-01-26 09:38:11 +01:00
Vladimir Serbinenko
2e62352bc2 * grub-core/kern/i386/tsc.c (calibrate_tsc): Ensure that 
no division by 0 occurs.
 2015-01-21 17:42:14 +01:00
Vladimir Serbinenko
bec35dad2a * grub-core/kern/i386/pc/mmap.c: Fallback to EISA memory map 
if E820 failed to return any regions.
 2014-02-28 10:07:11 +01:00
Vladimir Serbinenko
f94b2b4eeb * grub-core/kern/i386/coreboot/mmap.c: Filter out 0xa0000-0x100000 
region.
 2014-02-28 09:47:57 +01:00
Vladimir Serbinenko
093dec7370 Don't abort() on unavailable coreboot tables if not running on coreboot. 2013-12-28 17:25:14 +01:00
Vladimir Serbinenko
60d1dd3d72 Remove grub_bios_interrupt on coreboot. 
It's not used currently and cannot be used safely currently.
 2013-12-17 12:54:11 +01:00
Vladimir Serbinenko
316c8d9a18 Make grub_xen_hypercall on i386 cdecl rather than stdcall to avoid 
linker trying to "fixup" the code.
 2013-12-16 18:10:50 +01:00
Vladimir Serbinenko
8fa2627942 * grub-core/kern/i386/coreboot/cbtable.c: Use char * arithmetic rather 
than converting to long.
 2013-12-15 14:24:34 +01:00
Vladimir Serbinenko
7e47e27bd8 Add gcc_struct to all packed structures when compiling with mingw. 
Just "packed" doesn't always pack the way we expect.
 2013-12-15 14:14:30 +01:00
Vladimir Serbinenko
6a5fe1328b * grub-core/kern/i386/qemu/init.c (resource): Decrease struct size 
by using bitfields.
 2013-12-14 23:15:47 +01:00
Vladimir Serbinenko
8c534b85f1 Revamp relocation handling. 
Move more code to common dl.c. Add missing veneers for arm and arm64.
	Decreases kernel size by 70 bytes on i386-pc (40-50 compressed)
 2013-12-06 09:18:55 +01:00
Vladimir Serbinenko
bb6e299ccb * grub-core/kern/i386/qemu/init.c: Remove variable length arrays. 2013-12-04 09:48:36 +01:00
Vladimir Serbinenko
1bba40f578 Move common BIOS/coreboot memory map declarations to 
include/grub/i386/memory_raw.h and eliminate duplicate declarations.
 2013-11-23 12:39:21 +01:00
Vladimir Serbinenko
631187be8c Add missing includes of loader.h. 2013-11-11 02:30:09 +01:00
Vladimir Serbinenko
9612ebc00e Add new ports: i386-xen and x86_64-xen. This allows running GRUB in 
XEN PV environment and load kernels.
 2013-11-09 21:29:11 +01:00
Vladimir Serbinenko
c81acb7ff3 Consolidate cpuid code. 2013-10-27 00:02:01 +02:00
Vladimir Serbinenko
c1bee64676 Move cpuid code to cpuid.h and TSC code to tsc.c. 2013-10-26 23:39:10 +02:00
Vladimir 'phcoder' Serbinenko
fc3182c799 * grub-core/kern/i386/pc/mmap.c (grub_machine_mmap_iterate): Pass 
unknown types through.
 2013-10-19 01:01:36 +02:00
Vladimir 'phcoder' Serbinenko
2af2353b0a * grub-core/kern/i386/coreboot/init.c: Fix compilation on 
i386-multiboot.
 2013-08-14 10:43:10 +02:00
Vladimir 'phcoder' Serbinenko
e6930a454d Enable coreboot information commands even when not loaded as 
coreboot payload (e.g. when loaded from SeaBIOS-as-payload).
 2013-06-16 01:57:55 +02:00
Vladimir 'phcoder' Serbinenko
fc4c4fddf6 Detach optional parts of gfxterm and integrate in with coreboot init. 2013-05-31 00:42:33 +02:00
Vladimir 'phcoder' Serbinenko
96f33fed86 Make PCI init in i386-qemu port more robust. 2013-04-29 15:09:39 +02:00
Vladimir 'phcoder' Serbinenko
6a7fb94bfb Replace the region at 0 from coreboot tables to available in BSD 
memory map.
 2013-03-25 10:23:04 +01:00
Vladimir 'phcoder' Serbinenko
cc19857a2a New commands cbmemc, lscoreboot, coreboot_boottime to inspect 
coreboot tables content. Support for cbmemc.
 2013-03-20 17:13:31 +01:00
Vladimir 'phcoder' Serbinenko
5341c0fbfc Avoid costly 64-bit division in grub_get_time_ms on most platforms. 2013-03-10 17:45:38 +01:00
Vladimir 'phcoder' Serbinenko
774683685f Lift up core size limits on some platforms. Fix potential memory 
corruption with big core on small memory systems. Document remaining
	limits.
 2013-03-07 08:17:24 +01:00
Vladimir 'phcoder' Serbinenko
005a9c32df * grub-core/kern/i386/coreboot/mmap.c (grub_linuxbios_table_iterate): 
Fix end of table condition.
 2013-02-28 13:16:39 +01:00
Vladimir 'phcoder' Serbinenko
b78d6c32e3 New terminal outputs using serial: morse and spkmodem. 2013-01-16 20:39:54 +01:00
Colin Watson
d0d4b8a063 Remove nested functions from memory map iterators. 
* grub-core/efiemu/mm.c (grub_efiemu_mmap_iterate): Add hook_data
argument, passed to hook.
* grub-core/kern/i386/coreboot/mmap.c
(grub_linuxbios_table_iterate): Likewise.
(grub_machine_mmap_iterate: iterate_linuxbios_table): Make static
instead of nested.
(grub_machine_mmap_iterate): Add hook_data argument.
* grub-core/kern/i386/multiboot_mmap.c (grub_machine_mmap_iterate):
Add hook_data argument, passed to hook.
* grub-core/kern/i386/pc/mmap.c (grub_machine_mmap_iterate):
Likewise.
* grub-core/kern/i386/qemu/mmap.c (grub_machine_mmap_iterate):
Likewise.
* grub-core/kern/ieee1275/mmap.c (grub_machine_mmap_iterate):
Likewise.
* grub-core/kern/mips/arc/init.c (grub_machine_mmap_iterate):
Likewise.
* grub-core/kern/mips/loongson/init.c (grub_machine_mmap_iterate):
Likewise.
* grub-core/kern/mips/qemu_mips/init.c (grub_machine_mmap_iterate):
Likewise.
* grub-core/mmap/efi/mmap.c (grub_efi_mmap_iterate): Likewise.
(grub_machine_mmap_iterate): Likewise.
* grub-core/mmap/mmap.c (grub_mmap_iterate): Likewise.
* include/grub/efiemu/efiemu.h (grub_efiemu_mmap_iterate): Update
prototype.
* include/grub/memory.h (grub_memory_hook_t): Add data argument.
Remove NESTED_FUNC_ATTR from here and from all users.
(grub_mmap_iterate): Update prototype.
(grub_efi_mmap_iterate): Update prototype.  Update all callers to
pass appropriate hook data.
(grub_machine_mmap_iterate): Likewise.

* grub-core/commands/acpi.c (grub_acpi_create_ebda: find_hook): Make
static instead of nested.
* grub-core/commands/lsmmap.c (grub_cmd_lsmmap: hook): Likewise.
Rename to ...
(lsmmap_hook): ... this.
* grub-core/efiemu/mm.c (grub_efiemu_mmap_init: bounds_hook):
Likewise.
(grub_efiemu_mmap_fill: fill_hook): Likewise.
* grub-core/kern/i386/coreboot/init.c (grub_machine_init:
heap_init): Likewise.
* grub-core/kern/i386/pc/init.c (grub_machine_init: hook): Likewise.
Rename to ...
(mmap_iterate_hook): ... this.
* grub-core/kern/ieee1275/init.c (grub_claim_heap: heap_init):
Likewise.
* grub-core/lib/ieee1275/relocator.c
(grub_relocator_firmware_get_max_events: count): Likewise.
(grub_relocator_firmware_fill_events: fill): Likewise.  Rename
to ...
(grub_relocator_firmware_fill_events_iter): ... this.
* grub-core/lib/relocator.c (grub_relocator_alloc_chunk_align:
hook): Likewise.  Rename to ...
(grub_relocator_alloc_chunk_align_iter): ... this.
* grub-core/loader/i386/bsd.c (generate_e820_mmap: hook): Likewise.
Rename to ...
(generate_e820_mmap_iter): ... this.
* grub-core/loader/i386/linux.c (find_mmap_size: hook): Likewise.
Rename to ...
(count_hook): ... this.
(grub_linux_boot: hook): Likewise.  Rename to ...
(grub_linux_boot_mmap_find): ... this.
(grub_linux_boot: hook_fill): Likewise.  Rename to ...
(grub_linux_boot_mmap_fill): ... this.
* grub-core/loader/i386/multiboot_mbi.c (grub_fill_multiboot_mmap:
hook): Likewise.  Rename to ...
(grub_fill_multiboot_mmap_iter): ... this.
* grub-core/loader/multiboot.c (grub_get_multiboot_mmap_count:
hook): Likewise.  Rename to ...
(count_hook): ... this.
* grub-core/loader/multiboot_mbi2.c (grub_fill_multiboot_mmap:
hook): Likewise.  Rename to ...
(grub_fill_multiboot_mmap_iter): ... this.
* grub-core/loader/powerpc/ieee1275/linux.c
(grub_linux_claimmap_iterate: alloc_mem): Likewise.
* grub-core/loader/sparc64/ieee1275/linux.c (alloc_phys: choose):
Likewise.  Rename to ...
(alloc_phys_choose): ... this.
(determine_phys_base: get_physbase): Likewise.
* grub-core/mmap/i386/mmap.c (grub_mmap_malign_and_register:
find_hook): Likewise.
* grub-core/mmap/i386/pc/mmap.c (preboot: fill_hook): Likewise.
(malloc_hook: count_hook): Likewise.
* grub-core/mmap/i386/uppermem.c (grub_mmap_get_lower: hook):
Likewise.  Rename to ...
(lower_hook): ... this.
(grub_mmap_get_upper: hook): Likewise.  Rename to ...
(upper_hook): ... this.
(grub_mmap_get_post64: hook): Likewise.  Rename to ...
(post64_hook): ... this.
* grub-core/mmap/mips/uppermem.c (grub_mmap_get_lower: hook):
Likewise.  Rename to ...
(lower_hook): ... this.
(grub_mmap_get_upper: hook): Likewise.  Rename to ...
(upper_hook): ... this.
* grub-core/mmap/mmap.c (grub_mmap_iterate: count_hook): Likewise.
(grub_mmap_iterate: fill_hook): Likewise.
(fill_mask): Pass addr and mask within a single struct.
(grub_cmd_badram: hook): Make static instead of nested.  Rename
to ...
(badram_iter): ... this.
(grub_cmd_cutmem: hook): Likewise.  Rename to ...
(cutmem_iter): ... this.
 2013-01-15 12:02:35 +00:00
Colin Watson
5c67ea6cd9 Remove several trivially-unnecessary uses of nested functions. 
* grub-core/commands/i386/pc/sendkey.c
(grub_cmd_sendkey: find_key_code, find_ascii_code): Make static
instead of nested.
* grub-core/commands/legacycfg.c (legacy_file: getline): Likewise.
Rename to ...
(legacy_file_getline): ... this.
* grub-core/commands/loadenv.c (grub_cmd_load_env: set_var):
Likewise.
* grub-core/kern/corecmd.c (grub_core_cmd_set: print_env): Likewise.
* grub-core/kern/fs.c (grub_fs_probe: dummy_func): Likewise.  Rename
to ...
(probe_dummy_iter): ... this.
* grub-core/kern/i386/coreboot/mmap.c
(grub_linuxbios_table_iterate: check_signature): Likewise.
* grub-core/kern/parser.c (grub_parser_split_cmdline:
check_varstate): Likewise.  Mark inline.
* grub-core/lib/arg.c (find_short: fnd_short): Likewise.  Pass
an additional parameter.
(find_long: fnd_long): Likewise.  Pass two additional parameters.
* grub-core/lib/crc.c (init_crc32c_table: reflect): Likewise.
* grub-core/lib/crc64.c (init_crc64_table: reflect): Likewise.
* grub-core/lib/ieee1275/cmos.c (grub_cmos_find_port: hook):
Likewise.  Rename to ...
(grub_cmos_find_port_iter): ... this.
* grub-core/lib/ieee1275/datetime.c (find_rtc: hook): Likewise.
Rename to ...
(find_rtc_iter): ... this.

* grub-core/normal/menu_entry.c (run): Fold nested editor_getsource
function directly into the function body, since it is only called
once.
 2012-12-31 17:31:38 +00:00
Vladimir 'phcoder' Serbinenko
7da036bbcb Remove non-functional EFI grub_get_rtc. Put a better fatal message 
than current grub_get_rtc() not implemented when booted with
	coreboot without TSC.

	* grub-core/Makefile.am: Exclude efi/time.h from kernel headers.
	Add machine/time.h to kernel headers on loongson.
	* grub-core/Makefile.core.def (kernel): Remove
	kern/generic/rtc_get_time_ms.c on qemu-multiboot-coreboot.
	* grub-core/kern/efi/efi.c (grub_rtc_get_time_ms): Removed.
	(grub_get_rtc): Likewise.
	* grub-core/kern/generic/rtc_get_time_ms.c: Include grub/machine/time.h.
	* grub-core/kern/i386/coreboot/init.c (grub_get_rtc): Removed.
	* grub-core/kern/i386/pc/init.c: Include grub/machine/init.h.
	* grub-core/kern/i386/tsc.c (grub_tsc_init)
	[!GRUB_MACHINE_PCBIOS && !GRUB_MACHINE_IEEE1275]: Call grub_fatal
	rather than installing known non-working time source.
	* grub-core/kern/ieee1275/init.c (grub_get_rtc): Removed.
	* grub-core/kern/mips/loongson/init.c: Include grub/machine/time.h.
	* include/grub/time.h: Don't include machine/time.h.
	* include/grub/efi/time.h: Removed.
	* include/grub/i386/efi/time.h: Likewise.
	* include/grub/i386/ieee1275/time.h: Likewise.
	* include/grub/powerpc/ieee1275/time.h: Likewise.
	* include/grub/sparc64/ieee1275/time.h: Likewise.
	* include/grub/x86_64/efi/time.h: Likewise.
 2012-06-11 20:44:38 +02:00
Vladimir 'phcoder' Serbinenko
84e1569ee4 * grub-core/kern/i386/pc/startup.S [__APPLE__]: Add a workaround for 
objconv bug.
 2012-05-29 13:54:33 +02:00
Vladimir 'phcoder' Serbinenko
f7143efe1b * grub-core/boot/i386/pc/startup_raw.S [__APPLE__]: Add Apple assembly 
version.
	* grub-core/commands/i386/pc/drivemap_int13h.S [__APPLE__]: Likewise.
	* grub-core/kern/i386/pc/startup.S [__APPLE__]: Likewise.
	* grub-core/lib/i386/relocator16.S [__APPLE__]: Likewise.
	* grub-core/lib/i386/relocator_common.S [__APPLE__]: Likewise.
	* grub-core/mmap/i386/pc/mmap_helper.S [__APPLE__]: Likewise.
 2012-05-28 17:51:57 +02:00
Vladimir 'phcoder' Serbinenko
52bfedfa39 * grub-core/boot/i386/pc/startup_raw.S (multiboot_trampoline): Fix 
size calculation.
	* grub-core/kern/i386/realmode.S (realidt): Assume default BIOS IDT if
	none is known.
 2012-03-08 18:54:25 +01:00
Vladimir 'phcoder' Serbinenko
17edc2ba56 * grub-core/kern/i386/pc/startup.S: Define __start. 2012-03-02 11:15:42 +01:00
Vladimir 'phcoder' Serbinenko
a4c65f3441 * grub-core/kern/i386/realmode.S: Remove useless align. 2012-02-26 23:46:34 +01:00
Vladimir 'phcoder' Serbinenko
94f064b4c9 Fix interrupt mixup from previous commit. 
* include/grub/i386/pc/int.h (grub_i386_idt): New struct.
	(grub_realidt): New var.
	* grub-core/lib/i386/relocator16.S (grub_relocator16_idt): New variable
	Load idt.
	* grub-core/lib/i386/relocator.c (grub_relocator16_idt):
	New declaration.
	(grub_relocator16_boot): Set grub_relocator16_idt.
	* grub-core/kern/i386/realmode.S (realidt): Renamed to ...
	(LOCAL(realidt)): ... this.
	* grub-core/boot/i386/pc/startup_raw.S: Pass pointer to realidt in eax.
	* grub-core/kern/i386/pc/startup.S: Save pointer to realidt.
	(grub_realidt): New variable.
 2012-02-26 22:10:13 +01:00
Lubomir Kundrak
ff27c3dd5d GDB serial and backtrace support. 
* grub-core/kern/i386/realmode.S (real_to_prot): Reload IDT.
	(prot_to_real): Likewise.
	* grub-core/kern/i386/int.S (grub_bios_interrupt): Remove IDT reload.
	* grub-core/Makefile.core.def (backtrace): New module.
	(gdb): Likewise.
	* grub-core/gdb/cstub.c: New file.
	* grub-core/gdb/gdb.c: Likewise.
	* grub-core/gdb/i386/idt.c: Likewise.
	* grub-core/gdb/i386/machdep.S: Likewise.
	* grub-core/gdb/i386/signal.c: Likewise.
	* grub-core/lib/i386/backtrace.c: Likewise.
	* include/grub/backtrace.h: Likewise.
	* include/grub/gdb.h: Likewise.
	* include/grub/i386/gdb.h: Likewise.

	Also-By: Vladimir Serbinenko <phcoder@gmail.com>
 2012-02-26 19:17:37 +01:00