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kernel: added compatibility for non-GKI devices

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Co-authored-by: rsuntk <rsuntk@yukiprjkt.my.id>
Co-authored-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
Signed-off-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>
This commit is contained in:
ShirkNeko
2025-05-10 13:19:30 +08:00
parent 59e3675a36
commit 9d920e7cc5
20 changed files with 961 additions and 235 deletions
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57
kernel/Makefile
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@@ -32,6 +32,63 @@ $(warning "KSU_GIT_VERSION not defined! It is better to make KernelSU a git subm
ccflags-y += -DKSU_VERSION=16
endif
# Do checks before compile
ifeq ($(shell grep -q "int\s\+\path_umount" $(srctree)/fs/namespace.c; echo $$?),0)
$(info -- KernelSU: checks ok. Found path_umount)
else
$(info -- KernelSU: checks failed, abort.)
$(error -- Backporting path_umount is mandatory !! Read: https://kernelsu.org/guide/how-to-integrate-for-non-gki.html#how-to-backport-path-umount)
endif
# Check arch
ifneq ($(strip $(CONFIG_KSU_64BIT)),y)
$(info -- KernelSU: Running in 32-bit mode.)
endif
# Checks hooks state
ifeq ($(strip $(CONFIG_KSU_MANUAL_HOOK)),y)
$(info -- KernelSU: Manually-patched hook.)
else
$(info -- KernelSU: Kernel-probe hook.)
ccflags-y += -DCONFIG_KSU_KPROBES_HOOK
endif
# SELinux drivers check
ifeq ($(shell grep -q "current_sid(void)" $(srctree)/security/selinux/include/objsec.h; echo $$?),0)
ccflags-y += -DKSU_COMPAT_HAS_CURRENT_SID
endif
ifeq ($(shell grep -q "struct selinux_state " $(srctree)/security/selinux/include/security.h; echo $$?),0)
ccflags-y += -DKSU_COMPAT_HAS_SELINUX_STATE
endif
# This feature was introduced in linux 5.0-rc1
ifeq ($(shell grep -q "get_cred_rcu" $(srctree)/include/linux/cred.h; echo $$?),0)
ccflags-y += -DKSU_COMPAT_HAS_GET_CRED_RCU
else
ifeq ($(shell grep -q "atomic_long_t\s\+\usage" $(srctree)/include/linux/cred.h; echo $$?),0)
ccflags-y += -DKSU_COMPAT_ATOMIC_LONG
endif
ifeq ($(shell grep -q "int\s\+\non_rcu" $(srctree)/include/linux/cred.h; echo $$?),0)
ccflags-y += -DKSU_COMPAT_HAS_NONCONST_CRED
endif
endif
# Handle optional backports
ifeq ($(shell grep -q "strncpy_from_user_nofault" $(srctree)/include/linux/uaccess.h; echo $$?),0)
ccflags-y += -DKSU_OPTIONAL_STRNCPY
endif
ifeq ($(shell grep -q "ssize_t kernel_read" $(srctree)/fs/read_write.c; echo $$?),0)
ccflags-y += -DKSU_OPTIONAL_KERNEL_READ
endif
ifeq ($(shell grep "ssize_t kernel_write" $(srctree)/fs/read_write.c | grep -q "const void" ; echo $$?),0)
ccflags-y += -DKSU_OPTIONAL_KERNEL_WRITE
endif
# Checks Samsung UH drivers
ifeq ($(shell grep -q "CONFIG_KDP_CRED" $(srctree)/kernel/cred.c; echo $$?),0)
ccflags-y += -DSAMSUNG_UH_DRIVER_EXIST
endif
ifndef KSU_EXPECTED_SIZE
KSU_EXPECTED_SIZE := 0x35c
endif