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Revert "misc: Revert back to using tinf for all GZ decompression" 

This reverts commit 3438b8d235.
This commit is contained in:
mintsuki 2023-05-03 19:36:47 +02:00
parent e9186e1859
commit f618eb26af
10 changed files with 168 additions and 51 deletions
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4
README.md
View File

@ -229,9 +229,9 @@ An example `limine.cfg` file can be found in [`test/limine.cfg`](https://github.
More info on the format of `limine.cfg` can be found in [`CONFIG.md`](https://github.com/limine-bootloader/limine/blob/trunk/CONFIG.md).
## Acknowledgments
Limine uses a stripped-down version of [tinf](https://github.com/jibsen/tinf) for GZIP decompression.
Limine uses a stripped-down version of [tinf](https://github.com/jibsen/tinf) for early GZIP decompression.
Limine relies on [stb_image](https://github.com/nothings/stb/blob/master/stb_image.h) for wallpaper image loading.
Limine relies on [stb_image](https://github.com/nothings/stb/blob/master/stb_image.h) for runtime GZIP decompression and image loading.
## Discord server
We have a [Discord server](https://discord.gg/QEeZMz4) if you need support,

41
common/GNUmakefile
View File

@ -60,7 +60,6 @@ override CFLAGS_FOR_TARGET += \
override CPPFLAGS_FOR_TARGET := \
-I../freestanding-headers \
-I'$(call SHESCAPE,$(BUILDDIR))/tinf' \
-I'$(call SHESCAPE,$(BUILDDIR))/..' \
-I. \
$(CPPFLAGS_FOR_TARGET) \
@ -212,20 +211,6 @@ else ifeq ($(TARGET),uefi-aarch64)
all: $(call MKESCAPE,$(BUILDDIR))/BOOTAA64.EFI
endif
$(call MKESCAPE,$(BUILDDIR))/tinf-copied: ../tinf/*
rm -rf '$(call SHESCAPE,$(BUILDDIR))/tinf'
$(MKDIR_P) '$(call SHESCAPE,$(BUILDDIR))'
cp -r ../tinf '$(call SHESCAPE,$(BUILDDIR))/'
touch '$(call SHESCAPE,$(BUILDDIR))/tinf-copied'
$(call MKESCAPE,$(BUILDDIR))/tinf/tinfgzip.o: $(call MKESCAPE,$(BUILDDIR))/tinf-copied
$(MKDIR_P) "$$(dirname '$(call SHESCAPE,$@)')"
$(CC_FOR_TARGET) $(CFLAGS_FOR_TARGET) $(CPPFLAGS_FOR_TARGET) -c '$(call SHESCAPE,$(@:.o=.c))' -o '$(call SHESCAPE,$@)'
$(call MKESCAPE,$(BUILDDIR))/tinf/tinflate.o: $(call MKESCAPE,$(BUILDDIR))/tinf-copied
$(MKDIR_P) "$$(dirname '$(call SHESCAPE,$@)')"
$(CC_FOR_TARGET) $(CFLAGS_FOR_TARGET) $(CPPFLAGS_FOR_TARGET) -c '$(call SHESCAPE,$(@:.o=.c))' -o '$(call SHESCAPE,$@)'
ifeq ($(TARGET),bios)
$(call MKESCAPE,$(BUILDDIR))/stage2.bin.gz: $(call MKESCAPE,$(BUILDDIR))/stage2.bin
@ -263,7 +248,7 @@ $(call MKESCAPE,$(BUILDDIR))/linker_nos2map.ld: linker_bios.ld.in
$(MKDIR_P) '$(call SHESCAPE,$(BUILDDIR))'
$(CC_FOR_TARGET) -x c -E -P -undef -DLINKER_NOMAP -DLINKER_NOS2MAP linker_bios.ld.in -o '$(call SHESCAPE,$(BUILDDIR))/linker_nos2map.ld'
$(call MKESCAPE,$(BUILDDIR))/limine_nomap.elf: $(OBJ) ../libgcc-binaries/libgcc-i686.a $(call MKESCAPE,$(BUILDDIR))/tinf/tinfgzip.o $(call MKESCAPE,$(BUILDDIR))/tinf/tinflate.o
$(call MKESCAPE,$(BUILDDIR))/limine_nomap.elf: $(OBJ) ../libgcc-binaries/libgcc-i686.a
$(MAKE) '$(call SHESCAPE,$(BUILDDIR))/linker_nos2map.ld'
$(LD_FOR_TARGET) '$(call OBJESCAPE,$^)' $(LDFLAGS_FOR_TARGET) -T'$(call SHESCAPE,$(BUILDDIR))/linker_nos2map.ld' -o '$(call SHESCAPE,$@)'
$(OBJCOPY_FOR_TARGET) -O binary --only-section=.note.gnu.build-id '$(call SHESCAPE,$@)' '$(call SHESCAPE,$(BUILDDIR))/build-id.s2.bin'
@ -278,7 +263,7 @@ $(call MKESCAPE,$(BUILDDIR))/linker_nomap.ld: linker_bios.ld.in
$(MKDIR_P) '$(call SHESCAPE,$(BUILDDIR))'
$(CC_FOR_TARGET) -x c -E -P -undef -DLINKER_NOMAP linker_bios.ld.in -o '$(call SHESCAPE,$(BUILDDIR))/linker_nomap.ld'
$(call MKESCAPE,$(BUILDDIR))/limine_nos3map.elf: $(OBJ) ../libgcc-binaries/libgcc-i686.a $(call MKESCAPE,$(BUILDDIR))/stage2.map.o $(call MKESCAPE,$(BUILDDIR))/tinf/tinfgzip.o $(call MKESCAPE,$(BUILDDIR))/tinf/tinflate.o
$(call MKESCAPE,$(BUILDDIR))/limine_nos3map.elf: $(OBJ) ../libgcc-binaries/libgcc-i686.a $(call MKESCAPE,$(BUILDDIR))/stage2.map.o
$(MAKE) '$(call SHESCAPE,$(BUILDDIR))/linker_nomap.ld'
$(LD_FOR_TARGET) '$(call OBJESCAPE,$^)' $(LDFLAGS_FOR_TARGET) -T'$(call SHESCAPE,$(BUILDDIR))/linker_nomap.ld' -o '$(call SHESCAPE,$@)'
$(OBJCOPY_FOR_TARGET) -O binary --only-section=.note.gnu.build-id '$(call SHESCAPE,$@)' '$(call SHESCAPE,$(BUILDDIR))/build-id.s2.bin'
@ -293,7 +278,7 @@ $(call MKESCAPE,$(BUILDDIR))/linker.ld: linker_bios.ld.in
$(MKDIR_P) '$(call SHESCAPE,$(BUILDDIR))'
$(CC_FOR_TARGET) -x c -E -P -undef linker_bios.ld.in -o '$(call SHESCAPE,$(BUILDDIR))/linker.ld'
$(call MKESCAPE,$(BUILDDIR))/limine.elf: $(OBJ) ../libgcc-binaries/libgcc-i686.a $(call MKESCAPE,$(BUILDDIR))/stage2.map.o $(call MKESCAPE,$(BUILDDIR))/full.map.o $(call MKESCAPE,$(BUILDDIR))/tinf/tinfgzip.o $(call MKESCAPE,$(BUILDDIR))/tinf/tinflate.o
$(call MKESCAPE,$(BUILDDIR))/limine.elf: $(OBJ) ../libgcc-binaries/libgcc-i686.a $(call MKESCAPE,$(BUILDDIR))/stage2.map.o $(call MKESCAPE,$(BUILDDIR))/full.map.o
$(MAKE) '$(call SHESCAPE,$(BUILDDIR))/linker.ld'
$(LD_FOR_TARGET) '$(call OBJESCAPE,$^)' $(LDFLAGS_FOR_TARGET) -T'$(call SHESCAPE,$(BUILDDIR))/linker.ld' -o '$(call SHESCAPE,$@)'
$(OBJCOPY_FOR_TARGET) -O binary --only-section=.note.gnu.build-id '$(call SHESCAPE,$@)' '$(call SHESCAPE,$(BUILDDIR))/build-id.s2.bin'
@ -332,7 +317,7 @@ $(call MKESCAPE,$(BUILDDIR))/linker_nomap.ld: linker_uefi_x86_64.ld.in
$(MKDIR_P) '$(call SHESCAPE,$(BUILDDIR))'
$(CC_FOR_TARGET) -x c -E -P -undef -DLINKER_NOMAP linker_uefi_x86_64.ld.in -o '$(call SHESCAPE,$(BUILDDIR))/linker_nomap.ld'
$(call MKESCAPE,$(BUILDDIR))/limine_nomap.elf: $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/crt0-efi-x86_64.o $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/reloc_x86_64.o $(OBJ) ../libgcc-binaries/libgcc-x86_64-no-red-zone.a $(call MKESCAPE,$(BUILDDIR))/tinf/tinfgzip.o $(call MKESCAPE,$(BUILDDIR))/tinf/tinflate.o
$(call MKESCAPE,$(BUILDDIR))/limine_nomap.elf: $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/crt0-efi-x86_64.o $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/reloc_x86_64.o $(OBJ) ../libgcc-binaries/libgcc-x86_64-no-red-zone.a
$(MAKE) '$(call SHESCAPE,$(BUILDDIR))/linker_nomap.ld'
$(LD_FOR_TARGET) \
-T'$(call SHESCAPE,$(BUILDDIR))/linker_nomap.ld' \
@ -342,7 +327,7 @@ $(call MKESCAPE,$(BUILDDIR))/linker.ld: linker_uefi_x86_64.ld.in
$(MKDIR_P) '$(call SHESCAPE,$(BUILDDIR))'
$(CC_FOR_TARGET) -x c -E -P -undef linker_uefi_x86_64.ld.in -o '$(call SHESCAPE,$(BUILDDIR))/linker.ld'
$(call MKESCAPE,$(BUILDDIR))/limine.elf: $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/crt0-efi-x86_64.o $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/reloc_x86_64.o $(OBJ) ../libgcc-binaries/libgcc-x86_64-no-red-zone.a $(call MKESCAPE,$(BUILDDIR))/full.map.o $(call MKESCAPE,$(BUILDDIR))/tinf/tinfgzip.o $(call MKESCAPE,$(BUILDDIR))/tinf/tinflate.o
$(call MKESCAPE,$(BUILDDIR))/limine.elf: $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/crt0-efi-x86_64.o $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/reloc_x86_64.o $(OBJ) ../libgcc-binaries/libgcc-x86_64-no-red-zone.a $(call MKESCAPE,$(BUILDDIR))/full.map.o
$(MAKE) '$(call SHESCAPE,$(BUILDDIR))/linker.ld'
$(LD_FOR_TARGET) \
-T'$(call SHESCAPE,$(BUILDDIR))/linker.ld' \
@ -372,7 +357,7 @@ $(call MKESCAPE,$(BUILDDIR))/linker_nomap.ld: linker_uefi_aarch64.ld.in
$(MKDIR_P) '$(call SHESCAPE,$(BUILDDIR))'
$(CC_FOR_TARGET) -x c -E -P -undef -DLINKER_NOMAP linker_uefi_aarch64.ld.in -o '$(call SHESCAPE,$(BUILDDIR))/linker_nomap.ld'
$(call MKESCAPE,$(BUILDDIR))/limine_nomap.elf: $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/crt0-efi-aarch64.o $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/reloc_aarch64.o $(OBJ) ../libgcc-binaries/libgcc-aarch64.a $(call MKESCAPE,$(BUILDDIR))/tinf/tinfgzip.o $(call MKESCAPE,$(BUILDDIR))/tinf/tinflate.o
$(call MKESCAPE,$(BUILDDIR))/limine_nomap.elf: $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/crt0-efi-aarch64.o $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/reloc_aarch64.o $(OBJ) ../libgcc-binaries/libgcc-aarch64.a
$(MAKE) '$(call SHESCAPE,$(BUILDDIR))/linker_nomap.ld'
$(LD_FOR_TARGET) \
-T'$(call SHESCAPE,$(BUILDDIR))/linker_nomap.ld' \
@ -382,7 +367,7 @@ $(call MKESCAPE,$(BUILDDIR))/linker.ld: linker_uefi_aarch64.ld.in
$(MKDIR_P) '$(call SHESCAPE,$(BUILDDIR))'
$(CC_FOR_TARGET) -x c -E -P -undef linker_uefi_aarch64.ld.in -o '$(call SHESCAPE,$(BUILDDIR))/linker.ld'
$(call MKESCAPE,$(BUILDDIR))/limine.elf: $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/crt0-efi-aarch64.o $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/reloc_aarch64.o $(OBJ) ../libgcc-binaries/libgcc-aarch64.a $(call MKESCAPE,$(BUILDDIR))/full.map.o $(call MKESCAPE,$(BUILDDIR))/tinf/tinfgzip.o $(call MKESCAPE,$(BUILDDIR))/tinf/tinflate.o
$(call MKESCAPE,$(BUILDDIR))/limine.elf: $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/crt0-efi-aarch64.o $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/reloc_aarch64.o $(OBJ) ../libgcc-binaries/libgcc-aarch64.a $(call MKESCAPE,$(BUILDDIR))/full.map.o
$(MAKE) '$(call SHESCAPE,$(BUILDDIR))/linker.ld'
$(LD_FOR_TARGET) \
-T'$(call SHESCAPE,$(BUILDDIR))/linker.ld' \
@ -411,7 +396,7 @@ $(call MKESCAPE,$(BUILDDIR))/linker_nomap.ld: linker_uefi_ia32.ld.in
$(MKDIR_P) '$(call SHESCAPE,$(BUILDDIR))'
$(CC_FOR_TARGET) -x c -E -P -undef -DLINKER_NOMAP linker_uefi_ia32.ld.in -o '$(call SHESCAPE,$(BUILDDIR))/linker_nomap.ld'
$(call MKESCAPE,$(BUILDDIR))/limine_nomap.elf: $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/crt0-efi-ia32.o $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/reloc_ia32.o $(OBJ) ../libgcc-binaries/libgcc-i686.a $(call MKESCAPE,$(BUILDDIR))/tinf/tinfgzip.o $(call MKESCAPE,$(BUILDDIR))/tinf/tinflate.o
$(call MKESCAPE,$(BUILDDIR))/limine_nomap.elf: $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/crt0-efi-ia32.o $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/reloc_ia32.o $(OBJ) ../libgcc-binaries/libgcc-i686.a
$(MAKE) '$(call SHESCAPE,$(BUILDDIR))/linker_nomap.ld'
$(LD_FOR_TARGET) \
-T'$(call SHESCAPE,$(BUILDDIR))/linker_nomap.ld' \
@ -421,7 +406,7 @@ $(call MKESCAPE,$(BUILDDIR))/linker.ld: linker_uefi_ia32.ld.in
$(MKDIR_P) '$(call SHESCAPE,$(BUILDDIR))'
$(CC_FOR_TARGET) -x c -E -P -undef linker_uefi_ia32.ld.in -o '$(call SHESCAPE,$(BUILDDIR))/linker.ld'
$(call MKESCAPE,$(BUILDDIR))/limine.elf: $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/crt0-efi-ia32.o $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/reloc_ia32.o $(OBJ) ../libgcc-binaries/libgcc-i686.a $(call MKESCAPE,$(BUILDDIR))/full.map.o $(call MKESCAPE,$(BUILDDIR))/tinf/tinfgzip.o $(call MKESCAPE,$(BUILDDIR))/tinf/tinflate.o
$(call MKESCAPE,$(BUILDDIR))/limine.elf: $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/crt0-efi-ia32.o $(call MKESCAPE,$(BUILDDIR))/limine-efi/gnuefi/reloc_ia32.o $(OBJ) ../libgcc-binaries/libgcc-i686.a $(call MKESCAPE,$(BUILDDIR))/full.map.o
$(MAKE) '$(call SHESCAPE,$(BUILDDIR))/linker.ld'
$(LD_FOR_TARGET) \
-T'$(call SHESCAPE,$(BUILDDIR))/linker.ld' \
@ -432,25 +417,25 @@ endif
-include $(HEADER_DEPS)
ifeq ($(TARGET),uefi-x86-64)
$(call MKESCAPE,$(BUILDDIR))/%.o: %.c $(call MKESCAPE,$(BUILDDIR))/tinf-copied $(call MKESCAPE,$(BUILDDIR))/limine-efi
$(call MKESCAPE,$(BUILDDIR))/%.o: %.c $(call MKESCAPE,$(BUILDDIR))/limine-efi
$(MKDIR_P) "$$(dirname '$(call SHESCAPE,$@)')"
$(CC_FOR_TARGET) $(CFLAGS_FOR_TARGET) $(CPPFLAGS_FOR_TARGET) -c '$(call SHESCAPE,$<)' -o '$(call SHESCAPE,$@)'
endif
ifeq ($(TARGET),uefi-aarch64)
$(call MKESCAPE,$(BUILDDIR))/%.o: %.c $(call MKESCAPE,$(BUILDDIR))/tinf-copied $(call MKESCAPE,$(BUILDDIR))/limine-efi
$(call MKESCAPE,$(BUILDDIR))/%.o: %.c $(call MKESCAPE,$(BUILDDIR))/limine-efi
$(MKDIR_P) "$$(dirname '$(call SHESCAPE,$@)')"
$(CC_FOR_TARGET) $(CFLAGS_FOR_TARGET) $(CPPFLAGS_FOR_TARGET) -c '$(call SHESCAPE,$<)' -o '$(call SHESCAPE,$@)'
endif
ifeq ($(TARGET),uefi-ia32)
$(call MKESCAPE,$(BUILDDIR))/%.o: %.c $(call MKESCAPE,$(BUILDDIR))/tinf-copied $(call MKESCAPE,$(BUILDDIR))/limine-efi
$(call MKESCAPE,$(BUILDDIR))/%.o: %.c $(call MKESCAPE,$(BUILDDIR))/limine-efi
$(MKDIR_P) "$$(dirname '$(call SHESCAPE,$@)')"
$(CC_FOR_TARGET) $(CFLAGS_FOR_TARGET) $(CPPFLAGS_FOR_TARGET) -c '$(call SHESCAPE,$<)' -o '$(call SHESCAPE,$@)'
endif
ifeq ($(TARGET),bios)
$(call MKESCAPE,$(BUILDDIR))/%.o: %.c $(call MKESCAPE,$(BUILDDIR))/tinf-copied
$(call MKESCAPE,$(BUILDDIR))/%.o: %.c
$(MKDIR_P) "$$(dirname '$(call SHESCAPE,$@)')"
$(CC_FOR_TARGET) $(CFLAGS_FOR_TARGET) $(CPPFLAGS_FOR_TARGET) -c '$(call SHESCAPE,$<)' -o '$(call SHESCAPE,$@)'
endif

136
common/compress/gzip.c Normal file
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@ -0,0 +1,136 @@
/*
* originally from tinfgzip - tiny gzip decompressor
*
* Copyright (c) 2003-2019 Joergen Ibsen
* Copyright (c) 2023 mintsuki and contributors to the Limine project
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must
* not claim that you wrote the original software. If you use this
* software in a product, an acknowledgment in the product
* documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and must
* not be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*/
#include <stdint.h>
#include <stb/stb_image.h>
typedef enum {
FTEXT = 1,
FHCRC = 2,
FEXTRA = 4,
FNAME = 8,
FCOMMENT = 16
} gzip_flag;
void *gzip_uncompress(const void *source, uint64_t sourceLen, uint64_t *outsize) {
const uint8_t *src = (const uint8_t *) source;
const uint8_t *start;
int res;
uint8_t flg;
/* -- Check header -- */
/* Check room for at least 10 byte header and 8 byte trailer */
if (sourceLen < 18) {
return NULL;
}
/* Check id bytes */
if (src[0] != 0x1F || src[1] != 0x8B) {
return NULL;
}
/* Check method is deflate */
if (src[2] != 8) {
return NULL;
}
/* Get flag byte */
flg = src[3];
/* Check that reserved bits are zero */
if (flg & 0xE0) {
return NULL;
}
/* -- Find start of compressed data -- */
/* Skip base header of 10 bytes */
start = src + 10;
/* Skip extra data if present */
if (flg & FEXTRA) {
uint64_t xlen = *((uint16_t *)start);
if (xlen > sourceLen - 12) {
return NULL;
}
start += xlen + 2;
}
/* Skip file name if present */
if (flg & FNAME) {
do {
if (((uint64_t)(start - src)) >= sourceLen) {
return NULL;
}
} while (*start++);
}
/* Skip file comment if present */
if (flg & FCOMMENT) {
do {
if (((uint64_t)(start - src)) >= sourceLen) {
return NULL;
}
} while (*start++);
}
if (flg & FHCRC) {
start += 2;
}
/* -- Get decompressed length -- */
uint32_t dlen = *((uint32_t *)&src[sourceLen - 4]);
/* -- Decompress data -- */
if ((src + sourceLen) - start < 8) {
return NULL;
}
void *buf = ext_mem_alloc(dlen);
// XXX for some reason certain GZ files made by macOS do not properly decompress with stb_image
// unless some skew (19 bytes?) is applied to the buffer. I have no idea why this is the
// case but I'd rather have them load somewhat than not load at all.
for (uint64_t skew = 0; skew < 32; skew++) {
res = stbi_zlib_decode_noheader_buffer(buf, dlen, (const char *)start + skew, (src + sourceLen) - start - 8 - skew);
if (res != -1) {
break;
}
}
if (res == -1) {
pmm_free(buf, dlen);
return NULL;
}
*outsize = (uint64_t)dlen;
return buf;
}

8
common/compress/gzip.h Normal file
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@ -0,0 +1,8 @@
#ifndef __COMPRESS__GZIP_H__
#define __COMPRESS__GZIP_H__
#include <stdint.h>
void *gzip_uncompress(const void *source, uint64_t sourceLen, uint64_t *outsize);
#endif

6
common/lib/uri.c
View File

@ -8,7 +8,7 @@
#include <mm/pmm.h>
#include <lib/print.h>
#include <pxe/tftp.h>
#include <tinf.h>
#include <compress/gzip.h>
#include <menu.h>
#include <lib/readline.h>
#include <crypt/blake2b.h>
@ -273,8 +273,8 @@ struct file_handle *uri_open(char *uri) {
if (compressed && ret != NULL) {
struct file_handle *compressed_fd = ext_mem_alloc(sizeof(struct file_handle));
void *src = freadall(ret, MEMMAP_BOOTLOADER_RECLAIMABLE);
if (tinf_gzip_uncompress(compressed_fd->fd, src, ret->size)) {
panic(true, "tinf error");
if ((compressed_fd->fd = gzip_uncompress(src, ret->size, &compressed_fd->size)) == NULL) {
panic(true, "GZip error");
}
compressed_fd->vol = ret->vol;
compressed_fd->path = ext_mem_alloc(ret->path_len);

4
common/stb_image.patch
View File

@ -1,6 +1,6 @@
--- common/stb/stb_image.h 2023-03-05 18:57:03.930649341 +0100
+++ common/stb/stb_image.h 2023-03-05 18:55:53.767318782 +0100
@@ -127,6 +127,52 @@
@@ -127,6 +127,54 @@
#ifndef STBI_INCLUDE_STB_IMAGE_H
#define STBI_INCLUDE_STB_IMAGE_H
@ -46,6 +46,8 @@
+#define STBI_NO_SIMD
+#define STBI_NO_LINEAR
+
+#define STBI_ONLY_ZLIB
+#define STBI_SUPPORT_ZLIB
+#define STBI_ONLY_JPEG
+#define STBI_ONLY_PNG
+#define STBI_ONLY_BMP

20
decompressor/GNUmakefile
View File

@ -43,7 +43,7 @@ override CFLAGS_FOR_TARGET += \
override CPPFLAGS_FOR_TARGET := \
-I../freestanding-headers \
-I'$(call SHESCAPE,$(BUILDDIR))/tinf' \
-I./tinf \
-I. \
$(CPPFLAGS_FOR_TARGET) \
-MMD \
@ -68,27 +68,13 @@ override HEADER_DEPS := $(addprefix $(call MKESCAPE,$(BUILDDIR))/, $(C_FILES:.c=
.PHONY: all
all: $(call MKESCAPE,$(BUILDDIR))/decompressor.bin
$(call MKESCAPE,$(BUILDDIR))/decompressor.bin: $(OBJ) ../libgcc-binaries/libgcc-i686.a $(call MKESCAPE,$(BUILDDIR))/tinf/tinfgzip.o $(call MKESCAPE,$(BUILDDIR))/tinf/tinflate.o
$(call MKESCAPE,$(BUILDDIR))/decompressor.bin: $(OBJ) ../libgcc-binaries/libgcc-i686.a
$(LD_FOR_TARGET) '$(call OBJESCAPE,$^)' $(LDFLAGS_FOR_TARGET) -o '$(call SHESCAPE,$(BUILDDIR))/decompressor.elf'
$(OBJCOPY_FOR_TARGET) -O binary '$(call SHESCAPE,$(BUILDDIR))/decompressor.elf' '$(call SHESCAPE,$@)'
$(call MKESCAPE,$(BUILDDIR))/tinf-copied: ../tinf/*
rm -rf '$(call SHESCAPE,$(BUILDDIR))/tinf'
$(MKDIR_P) '$(call SHESCAPE,$(BUILDDIR))'
cp -r ../tinf '$(call SHESCAPE,$(BUILDDIR))/'
touch '$(call SHESCAPE,$(BUILDDIR))/tinf-copied'
$(call MKESCAPE,$(BUILDDIR))/tinf/tinfgzip.o: $(call MKESCAPE,$(BUILDDIR))/tinf-copied
$(MKDIR_P) "$$(dirname '$(call SHESCAPE,$@)')"
$(CC_FOR_TARGET) $(CFLAGS_FOR_TARGET) $(CPPFLAGS_FOR_TARGET) -c '$(call SHESCAPE,$(@:.o=.c))' -o '$(call SHESCAPE,$@)'
$(call MKESCAPE,$(BUILDDIR))/tinf/tinflate.o: $(call MKESCAPE,$(BUILDDIR))/tinf-copied
$(MKDIR_P) "$$(dirname '$(call SHESCAPE,$@)')"
$(CC_FOR_TARGET) $(CFLAGS_FOR_TARGET) $(CPPFLAGS_FOR_TARGET) -c '$(call SHESCAPE,$(@:.o=.c))' -o '$(call SHESCAPE,$@)'
-include $(HEADER_DEPS)
$(call MKESCAPE,$(BUILDDIR))/%.o: %.c $(call MKESCAPE,$(BUILDDIR))/tinf-copied
$(call MKESCAPE,$(BUILDDIR))/%.o: %.c
$(MKDIR_P) "$$(dirname '$(call SHESCAPE,$@)')"
$(CC_FOR_TARGET) $(CFLAGS_FOR_TARGET) $(CPPFLAGS_FOR_TARGET) -c '$(call SHESCAPE,$<)' -o '$(call SHESCAPE,$@)'

0
tinf/tinf.h → decompressor/tinf/tinf.h
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0
tinf/tinfgzip.c → decompressor/tinf/tinfgzip.c
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0
tinf/tinflate.c → decompressor/tinf/tinflate.c
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