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efi: Adjust for new reduced-gnu-efi

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This commit is contained in:
mintsuki 2022-04-20 04:00:00 +02:00
parent 1af09d0749
commit df7e43df7f
6 changed files with 268 additions and 185 deletions
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12
common/GNUmakefile
View File

@ -219,11 +219,11 @@ $(call MKESCAPE,$(BUILDDIR))/stage2.bin: $(call MKESCAPE,$(BUILDDIR))/limine.sys
$(call MKESCAPE,$(BUILDDIR))/stage2.map.o: $(call MKESCAPE,$(BUILDDIR))/limine_stage2only.elf
cd '$(call SHESCAPE,$(BUILDDIR))' && \
'$(call SHESCAPE,$(SRCDIR))/gensyms.sh' '$(call SHESCAPE,$<)' stage2 32
'$(call SHESCAPE,$(SRCDIR))/gensyms.sh' '$(call SHESCAPE,$<)' stage2 32 '\.text'
$(call MKESCAPE,$(BUILDDIR))/full.map.o: $(call MKESCAPE,$(BUILDDIR))/limine_nomap.elf
cd '$(call SHESCAPE,$(BUILDDIR))' && \
'$(call SHESCAPE,$(SRCDIR))/gensyms.sh' '$(call SHESCAPE,$<)' full 32
'$(call SHESCAPE,$(SRCDIR))/gensyms.sh' '$(call SHESCAPE,$<)' full 32 '\.text'
$(call MKESCAPE,$(BUILDDIR))/limine.sys: $(call MKESCAPE,$(BUILDDIR))/limine.elf
$(LIMINE_OBJCOPY) -O binary '$(call SHESCAPE,$<)' '$(call SHESCAPE,$@)'
@ -279,10 +279,10 @@ ifeq ($(TARGET), uefi64)
$(call MKESCAPE,$(BUILDDIR))/full.map.o: $(call MKESCAPE,$(BUILDDIR))/limine_nomap.elf
cd '$(call SHESCAPE,$(BUILDDIR))' && \
'$(call SHESCAPE,$(SRCDIR))/gensyms.sh' '$(call SHESCAPE,$<)' full 64
'$(call SHESCAPE,$(SRCDIR))/gensyms.sh' '$(call SHESCAPE,$<)' full 64 '\.sect'
$(call MKESCAPE,$(BUILDDIR))/BOOTX64.EFI: $(call MKESCAPE,$(BUILDDIR))/limine.elf
$(LIMINE_OBJCOPY) -j .text -j .sdata -j .data -j .dynamic -j .dynsym -j .rel -j .rela -j .rel.* -j .rela.* -j .reloc -j .sbat --target efi-app-x86_64 '$(call SHESCAPE,$<)' '$(call SHESCAPE,$@)'
$(LIMINE_OBJCOPY) -O binary '$(call SHESCAPE,$<)' '$(call SHESCAPE,$@)'
$(call MKESCAPE,$(BUILDDIR))/reduced-gnu-efi/gnuefi/crt0-efi-x86_64.o: reduced-gnu-efi
true
@ -326,10 +326,10 @@ ifeq ($(TARGET), uefi32)
$(call MKESCAPE,$(BUILDDIR))/full.map.o: $(call MKESCAPE,$(BUILDDIR))/limine_nomap.elf
cd '$(call SHESCAPE,$(BUILDDIR))' && \
'$(call SHESCAPE,$(SRCDIR))/gensyms.sh' '$(call SHESCAPE,$<)' full 32
'$(call SHESCAPE,$(SRCDIR))/gensyms.sh' '$(call SHESCAPE,$<)' full 32 '\.sect'
$(call MKESCAPE,$(BUILDDIR))/BOOTIA32.EFI: $(call MKESCAPE,$(BUILDDIR))/limine.elf
$(LIMINE_OBJCOPY) -j .text -j .sdata -j .data -j .dynamic -j .dynsym -j .rel -j .rela -j .rel.* -j .rela.* -j .reloc -j .sbat --target efi-app-ia32 '$(call SHESCAPE,$<)' '$(call SHESCAPE,$@)'
$(LIMINE_OBJCOPY) -O binary '$(call SHESCAPE,$<)' '$(call SHESCAPE,$@)'
$(call MKESCAPE,$(BUILDDIR))/reduced-gnu-efi/gnuefi/crt0-efi-ia32.o: reduced-gnu-efi
true

4
common/gensyms.sh
View File

@ -27,8 +27,8 @@ TMP3=$(mktemp)
TMP4=$(mktemp)
"$LIMINE_OBJDUMP" -t "$1" | ( "$SED" '/[[:<:]]d[[:>:]]/d' 2>/dev/null || "$SED" '/\bd\b/d' ) | sort > "$TMP1"
"$GREP" "\.text" < "$TMP1" | cut -d' ' -f1 > "$TMP2"
"$GREP" "\.text" < "$TMP1" | "$AWK" 'NF{ print $NF }' > "$TMP3"
"$GREP" "$4" < "$TMP1" | cut -d' ' -f1 > "$TMP2"
"$GREP" "$4" < "$TMP1" | "$AWK" 'NF{ print $NF }' > "$TMP3"
echo "section .$2_map" > "$TMP4"
echo "global $2_map" >> "$TMP4"

4
common/lib/trace.s2.c
View File

@ -11,7 +11,7 @@
#if bios == 1
extern symbol stage2_map;
#elif uefi == 1
extern symbol ImageBase;
extern symbol __image_base;
#endif
extern symbol full_map;
@ -27,7 +27,7 @@ static char *trace_address(size_t *off, size_t addr) {
#elif uefi == 1
limine_map = full_map;
addr -= (size_t)ImageBase;
addr -= (size_t)__image_base;
#endif
uintptr_t prev_addr = 0;

218
common/linker_uefi32.ld.in
View File

@ -1,107 +1,143 @@
/* The following code originates from gnu-efi */
OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
OUTPUT_FORMAT(elf32-i386)
OUTPUT_ARCH(i386)
ENTRY(_start)
PHDRS
{
null PT_NULL FLAGS(0) ;
segm PT_LOAD FLAGS(7) ;
dynamic PT_DYNAMIC FLAGS(7) ;
}
SECTIONS
{
. = 0;
ImageBase = .;
/* .hash and/or .gnu.hash MUST come first! */
.hash : { *(.hash) }
.gnu.hash : { *(.gnu.hash) }
. = ALIGN(4096);
.text :
{
_text = .;
*(.text)
*(.text.*)
*(.gnu.linkonce.t.*)
. = ALIGN(16);
}
_etext = .;
_text_size = . - _text;
. = ALIGN(4096);
.sdata :
{
_data = .;
*(.got.plt)
*(.got)
*(.srodata)
*(.sdata)
*(.sbss)
*(.scommon)
}
. = ALIGN(4096);
.data :
{
*(.rodata*)
*(.got.plt)
*(.got)
. = 0;
__image_base = .;
__image_size = __image_end - __image_base;
.sect : {
*(.pe_header)
. = ALIGN(0x1000);
__text_start = .;
__text_size = __text_end - __text_start;
*(.text .text.*)
. = ALIGN(0x1000);
__text_end = .;
__reloc_start = .;
__reloc_size = __reloc_end - __reloc_start;
*(.reloc)
. = ALIGN(0x1000);
__reloc_end = .;
__sbat_start = .;
__sbat_size = __sbat_end - __sbat_start;
*(.sbat)
. = ALIGN(0x1000);
__sbat_end = .;
__data_start = .;
__data_size = __data_end - __data_start;
*(.rodata .rodata.*)
#ifdef LINKER_NOMAP
full_map = .;
#else
*(.full_map)
#endif
*(.no_unwind)
data_begin = .;
*(.data)
*(.data1)
*(.data.*)
*(.sdata)
/* the EFI loader doesn't seem to like a .bss section, so we stick
it all into .data: */
*(.sbss)
*(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
*(.data .data.*)
*(.bss .bss.*)
*(COMMON)
data_end = .;
}
.note.gnu.build-id : { *(.note.gnu.build-id) }
. = ALIGN(0x1000);
} :segm
. = ALIGN(4096);
.dynamic : { *(.dynamic) }
. = ALIGN(4096);
.rel :
{
*(.rel.data)
*(.rel.data.*)
*(.rel.got)
*(.rel.stab)
*(.data.rel.ro.local)
*(.data.rel.local)
*(.data.rel.ro)
*(.data.rel*)
}
_edata = .;
_data_size = . - _etext;
.rel : {
*(.rel .rel.*)
. = ALIGN(0x1000);
} :segm
. = ALIGN(4096);
.sbat :
{
_sbat = .;
*(.sbat)
*(.sbat.*)
}
_esbat = .;
_sbat_size = . - _sbat;
.got : {
*(.got .got.*)
. = ALIGN(0x1000);
} :segm
. = ALIGN(4096);
.reloc : /* This is the PECOFF .reloc section! */
{
*(.reloc)
}
. = ALIGN(4096);
.dynsym : { *(.dynsym) }
. = ALIGN(4096);
.dynstr : { *(.dynstr) }
. = ALIGN(4096);
/DISCARD/ :
{
*(.rel.reloc)
*(.eh_frame)
*(.note.GNU-stack)
}
.comment 0 : { *(.comment) }
.dynamic : {
__dynamic = .;
*(.dynamic)
. = ALIGN(0x1000);
} :segm :dynamic
__data_end = .;
__image_end = .;
.symtab 0 : {
*(.symtab)
} :null
.strtab 0 : {
*(.strtab)
} :null
.shstrtab 0 : {
*(.shstrtab)
} :null
.debug_aranges 0 : {
*(.debug_aranges)
} :null
.debug_pubnames 0 : {
*(.debug_pubnames)
} :null
.debug_info 0 : {
*(.debug_info)
} :null
.debug_abbrev 0 : {
*(.debug_abbrev)
} :null
.debug_line 0 : {
*(.debug_line)
} :null
.debug_loclists 0 : {
*(.debug_loclists)
} :null
.debug_rnglists 0 : {
*(.debug_rnglists)
} :null
.debug_frame 0 : {
*(.debug_frame)
} :null
.debug_loc 0 : {
*(.debug_loc)
} :null
.debug_ranges 0 : {
*(.debug_ranges)
} :null
.debug_str 0 : {
*(.debug_str)
} :null
.debug_line_str 0 : {
*(.debug_line_str)
} :null
/DISCARD/ : {
*(*)
}
}

207
common/linker_uefi64.ld.in
View File

@ -1,96 +1,143 @@
/* The following code originates from gnu-efi */
OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64")
OUTPUT_FORMAT(elf64-x86-64)
OUTPUT_ARCH(i386:x86-64)
ENTRY(_start)
PHDRS
{
null PT_NULL FLAGS(0) ;
segm PT_LOAD FLAGS(7) ;
dynamic PT_DYNAMIC FLAGS(7) ;
}
SECTIONS
{
. = 0;
ImageBase = .;
/* .hash and/or .gnu.hash MUST come first! */
.hash : { *(.hash) }
.gnu.hash : { *(.gnu.hash) }
. = ALIGN(4096);
.eh_frame :
{
*(.eh_frame)
}
. = ALIGN(4096);
.text :
{
_text = .;
*(.text)
*(.text.*)
*(.gnu.linkonce.t.*)
. = ALIGN(16);
}
_etext = .;
_text_size = . - _text;
. = ALIGN(4096);
.reloc :
{
*(.reloc)
}
. = ALIGN(4096);
.data :
{
_data = .;
*(.rodata*)
*(.got.plt)
*(.got)
. = 0;
__image_base = .;
__image_size = __image_end - __image_base;
.sect : {
*(.pe_header)
. = ALIGN(0x1000);
__text_start = .;
__text_size = __text_end - __text_start;
*(.text .text.*)
. = ALIGN(0x1000);
__text_end = .;
__reloc_start = .;
__reloc_size = __reloc_end - __reloc_start;
*(.reloc)
. = ALIGN(0x1000);
__reloc_end = .;
__sbat_start = .;
__sbat_size = __sbat_end - __sbat_start;
*(.sbat)
. = ALIGN(0x1000);
__sbat_end = .;
__data_start = .;
__data_size = __data_end - __data_start;
*(.rodata .rodata.*)
#ifdef LINKER_NOMAP
full_map = .;
#else
*(.full_map)
#endif
*(.no_unwind)
data_begin = .;
*(.data*)
*(.sdata)
/* the EFI loader doesn't seem to like a .bss section, so we stick
it all into .data: */
*(.sbss)
*(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
*(.data .data.*)
*(.bss .bss.*)
*(COMMON)
data_end = .;
*(.rel.local)
}
.note.gnu.build-id : { *(.note.gnu.build-id) }
. = ALIGN(0x1000);
} :segm
_edata = .;
_data_size = . - _etext;
.rela : {
*(.rela .rela.*)
. = ALIGN(0x1000);
} :segm
. = ALIGN(4096);
.sbat :
{
_sbat = .;
*(.sbat)
*(.sbat.*)
}
_esbat = .;
_sbat_size = . - _sbat;
.got : {
*(.got .got.*)
. = ALIGN(0x1000);
} :segm
. = ALIGN(4096);
.dynamic : { *(.dynamic) }
. = ALIGN(4096);
.rela :
{
*(.rela.data*)
*(.rela.got)
*(.rela.stab)
}
. = ALIGN(4096);
.dynsym : { *(.dynsym) }
. = ALIGN(4096);
.dynstr : { *(.dynstr) }
. = ALIGN(4096);
.ignored.reloc :
{
*(.rela.reloc)
*(.eh_frame)
*(.note.GNU-stack)
}
.comment 0 : { *(.comment) }
.dynamic : {
__dynamic = .;
*(.dynamic)
. = ALIGN(0x1000);
} :segm :dynamic
__data_end = .;
__image_end = .;
.symtab 0 : {
*(.symtab)
} :null
.strtab 0 : {
*(.strtab)
} :null
.shstrtab 0 : {
*(.shstrtab)
} :null
.debug_aranges 0 : {
*(.debug_aranges)
} :null
.debug_pubnames 0 : {
*(.debug_pubnames)
} :null
.debug_info 0 : {
*(.debug_info)
} :null
.debug_abbrev 0 : {
*(.debug_abbrev)
} :null
.debug_line 0 : {
*(.debug_line)
} :null
.debug_loclists 0 : {
*(.debug_loclists)
} :null
.debug_rnglists 0 : {
*(.debug_rnglists)
} :null
.debug_frame 0 : {
*(.debug_frame)
} :null
.debug_loc 0 : {
*(.debug_loc)
} :null
.debug_ranges 0 : {
*(.debug_ranges)
} :null
.debug_str 0 : {
*(.debug_str)
} :null
.debug_line_str 0 : {
*(.debug_line_str)
} :null
/DISCARD/ : {
*(*)
}
}

8
common/mm/pmm.s2.c
View File

@ -279,8 +279,8 @@ void init_memmap(void) {
#endif
#if uefi == 1
extern symbol ImageBase;
extern symbol _edata;
extern symbol __image_base;
extern symbol __image_end;
void init_memmap(void) {
EFI_STATUS status;
@ -388,10 +388,10 @@ void init_memmap(void) {
memcpy(untouched_memmap, memmap, memmap_entries * sizeof(struct e820_entry_t));
untouched_memmap_entries = memmap_entries;
size_t bootloader_size = ALIGN_UP((uintptr_t)_edata - (uintptr_t)ImageBase, 4096);
size_t bootloader_size = ALIGN_UP((uintptr_t)__image_end - (uintptr_t)__image_base, 4096);
// Allocate bootloader itself
memmap_alloc_range((uintptr_t)ImageBase, bootloader_size,
memmap_alloc_range((uintptr_t)__image_base, bootloader_size,
MEMMAP_BOOTLOADER_RECLAIMABLE, false, true, false, true);
sanitise_entries(memmap, &memmap_entries, false);