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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
| commit | f4cdf7ca9a1fdcca413157df19753f388a5a224e (patch) | |
| tree | 60a31895b2446cd7fa27514e8c2843534a0de0da /arch/xtensa/boot/lib | |
| download | linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip | |
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab:
- v4l2-core: added ISP statistics support and per-block validation
- v4l2-core: Allow unknown HDR10 white point and luminance
- New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor
- New codec: Milos: VPU v2.0 codec support
- isp driver: gained support for Dreamchip RPPX1 ISP framework
- vsp1 driver: gained support for RZ/T2H and RZ/N2H
- Novalake driver: gained CVS support for new NVL hardware
- dvb-core: fix feed leak on failed DMX_ADD_PID
- several driver fixes, cleanups and minor improvements
* tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
media: ipu-bridge: check all DMI entries when overriding sensor rotation
media: v4l2-async: avoid deleting unlinked ASC entry on link error
media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement
media: intel/ipu6: fix async notifier cleanup leak on parse error
media: staging/ipu7: fix async notifier UAF on probe error path
media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path
media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem()
media: rcar-isp: Fix VSPX reference leaks
media: rcar-isp: Release ISPCORE resources
media: i2c: imx415: Release runtime PM reference on VBLANK error
media: i2c: imx415: Return test pattern write errors
media: renesas: vsp1: Declare index variables in for loop statement
media: renesas: vsp1: Make reset control optional to support platforms without a reset line
media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs
media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs
media: nxp: imx8-isi: Add additional 32-bit RGB format support
media: nxp: imx8-isi: Add 16-bit raw Bayer format support
media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams
media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks
media: nxp: imx8-isi: Correct color map between V4L2 and ISI
...
Diffstat (limited to 'arch/xtensa/boot/lib')
| -rw-r--r-- | arch/xtensa/boot/lib/.gitignore | 4 | ||||
| -rw-r--r-- | arch/xtensa/boot/lib/Makefile | 34 | ||||
| -rw-r--r-- | arch/xtensa/boot/lib/zmem.c | 81 |
3 files changed, 119 insertions, 0 deletions
diff --git a/arch/xtensa/boot/lib/.gitignore b/arch/xtensa/boot/lib/.gitignore new file mode 100644 index 000000000..805a82492 --- /dev/null +++ b/arch/xtensa/boot/lib/.gitignore @@ -0,0 +1,4 @@ +# SPDX-License-Identifier: GPL-2.0-only +inffast.c +inflate.c +inftrees.c diff --git a/arch/xtensa/boot/lib/Makefile b/arch/xtensa/boot/lib/Makefile new file mode 100644 index 000000000..0378a22a0 --- /dev/null +++ b/arch/xtensa/boot/lib/Makefile @@ -0,0 +1,34 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# Makefile for some libs needed by zImage. +# + +zlib := inffast.c inflate.c inftrees.c + +lib-y += $(zlib:.c=.o) zmem.o + +ccflags-y := -I $(srctree)/lib/zlib_inflate +ifdef CONFIG_FUNCTION_TRACER +CFLAGS_REMOVE_inflate.o = -pg +CFLAGS_REMOVE_zmem.o = -pg +CFLAGS_REMOVE_inftrees.o = -pg +CFLAGS_REMOVE_inffast.o = -pg +endif + +KASAN_SANITIZE := n +KCSAN_SANITIZE := n +KCOV_INSTRUMENT := n +GCOV_PROFILE := n + +CFLAGS_REMOVE_inflate.o += -fstack-protector -fstack-protector-strong +CFLAGS_REMOVE_zmem.o += -fstack-protector -fstack-protector-strong +CFLAGS_REMOVE_inftrees.o += -fstack-protector -fstack-protector-strong +CFLAGS_REMOVE_inffast.o += -fstack-protector -fstack-protector-strong + +quiet_cmd_copy_zlib = COPY $@ + cmd_copy_zlib = cat $< > $@ + +$(addprefix $(obj)/,$(zlib)): $(obj)/%: $(srctree)/lib/zlib_inflate/% + $(call cmd,copy_zlib) + +clean-files := $(zlib) diff --git a/arch/xtensa/boot/lib/zmem.c b/arch/xtensa/boot/lib/zmem.c new file mode 100644 index 000000000..b89189355 --- /dev/null +++ b/arch/xtensa/boot/lib/zmem.c @@ -0,0 +1,81 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/zlib.h> + +/* bits taken from ppc */ + +extern void *avail_ram, *end_avail; +void gunzip(void *dst, int dstlen, unsigned char *src, int *lenp); + +static void exit(void) +{ + for (;;); +} + +static void *zalloc(unsigned int size) +{ + void *p = avail_ram; + + size = (size + 7) & -8; + avail_ram += size; + if (avail_ram > end_avail) { + //puts("oops... out of memory\n"); + //pause(); + exit (); + } + return p; +} + +#define HEAD_CRC 2 +#define EXTRA_FIELD 4 +#define ORIG_NAME 8 +#define COMMENT 0x10 +#define RESERVED 0xe0 + +#define DEFLATED 8 + +void gunzip (void *dst, int dstlen, unsigned char *src, int *lenp) +{ + z_stream s; + int r, i, flags; + + /* skip header */ + i = 10; + flags = src[3]; + if (src[2] != DEFLATED || (flags & RESERVED) != 0) { + //puts("bad gzipped data\n"); + exit(); + } + if ((flags & EXTRA_FIELD) != 0) + i = 12 + src[10] + (src[11] << 8); + if ((flags & ORIG_NAME) != 0) + while (src[i++] != 0) + ; + if ((flags & COMMENT) != 0) + while (src[i++] != 0) + ; + if ((flags & HEAD_CRC) != 0) + i += 2; + if (i >= *lenp) { + //puts("gunzip: ran out of data in header\n"); + exit(); + } + + s.workspace = zalloc(zlib_inflate_workspacesize()); + r = zlib_inflateInit2(&s, -MAX_WBITS); + if (r != Z_OK) { + //puts("inflateInit2 returned "); puthex(r); puts("\n"); + exit(); + } + s.next_in = src + i; + s.avail_in = *lenp - i; + s.next_out = dst; + s.avail_out = dstlen; + r = zlib_inflate(&s, Z_FINISH); + if (r != Z_OK && r != Z_STREAM_END) { + //puts("inflate returned "); puthex(r); puts("\n"); + exit(); + } + *lenp = s.next_out - (unsigned char *) dst; + zlib_inflateEnd(&s); +} + |
