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-rw-r--r--arch/powerpc/kernel/Makefile2
-rw-r--r--arch/powerpc/kernel/audit.c66
-rw-r--r--arch/powerpc/kernel/compat_audit.c38
-rw-r--r--arch/powerpc/kernel/crash.c2
-rw-r--r--arch/powerpc/kernel/misc.S49
5 files changed, 132 insertions, 25 deletions
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index d2ab2943d23..8b3f4faf576 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -70,6 +70,8 @@ obj-$(CONFIG_PCI) += $(pci64-y) $(pci32-y)
kexec-$(CONFIG_PPC64) := machine_kexec_64.o
kexec-$(CONFIG_PPC32) := machine_kexec_32.o
obj-$(CONFIG_KEXEC) += machine_kexec.o crash.o $(kexec-y)
+obj-$(CONFIG_AUDIT) += audit.o
+obj64-$(CONFIG_AUDIT) += compat_audit.o
ifeq ($(CONFIG_PPC_ISERIES),y)
$(obj)/head_64.o: $(obj)/lparmap.s
diff --git a/arch/powerpc/kernel/audit.c b/arch/powerpc/kernel/audit.c
new file mode 100644
index 00000000000..7fe5e6300e9
--- /dev/null
+++ b/arch/powerpc/kernel/audit.c
@@ -0,0 +1,66 @@
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/audit.h>
+#include <asm/unistd.h>
+
+static unsigned dir_class[] = {
+#include <asm-generic/audit_dir_write.h>
+~0U
+};
+
+static unsigned read_class[] = {
+#include <asm-generic/audit_read.h>
+~0U
+};
+
+static unsigned write_class[] = {
+#include <asm-generic/audit_write.h>
+~0U
+};
+
+static unsigned chattr_class[] = {
+#include <asm-generic/audit_change_attr.h>
+~0U
+};
+
+int audit_classify_syscall(int abi, unsigned syscall)
+{
+#ifdef CONFIG_PPC64
+ extern int ppc32_classify_syscall(unsigned);
+ if (abi == AUDIT_ARCH_PPC)
+ return ppc32_classify_syscall(syscall);
+#endif
+ switch(syscall) {
+ case __NR_open:
+ return 2;
+ case __NR_openat:
+ return 3;
+ case __NR_socketcall:
+ return 4;
+ case __NR_execve:
+ return 5;
+ default:
+ return 0;
+ }
+}
+
+static int __init audit_classes_init(void)
+{
+#ifdef CONFIG_PPC64
+ extern __u32 ppc32_dir_class[];
+ extern __u32 ppc32_write_class[];
+ extern __u32 ppc32_read_class[];
+ extern __u32 ppc32_chattr_class[];
+ audit_register_class(AUDIT_CLASS_WRITE_32, ppc32_write_class);
+ audit_register_class(AUDIT_CLASS_READ_32, ppc32_read_class);
+ audit_register_class(AUDIT_CLASS_DIR_WRITE_32, ppc32_dir_class);
+ audit_register_class(AUDIT_CLASS_CHATTR_32, ppc32_chattr_class);
+#endif
+ audit_register_class(AUDIT_CLASS_WRITE, write_class);
+ audit_register_class(AUDIT_CLASS_READ, read_class);
+ audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
+ audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
+ return 0;
+}
+
+__initcall(audit_classes_init);
diff --git a/arch/powerpc/kernel/compat_audit.c b/arch/powerpc/kernel/compat_audit.c
new file mode 100644
index 00000000000..640d4bb2932
--- /dev/null
+++ b/arch/powerpc/kernel/compat_audit.c
@@ -0,0 +1,38 @@
+#undef __powerpc64__
+#include <asm/unistd.h>
+
+unsigned ppc32_dir_class[] = {
+#include <asm-generic/audit_dir_write.h>
+~0U
+};
+
+unsigned ppc32_chattr_class[] = {
+#include <asm-generic/audit_change_attr.h>
+~0U
+};
+
+unsigned ppc32_write_class[] = {
+#include <asm-generic/audit_write.h>
+~0U
+};
+
+unsigned ppc32_read_class[] = {
+#include <asm-generic/audit_read.h>
+~0U
+};
+
+int ppc32_classify_syscall(unsigned syscall)
+{
+ switch(syscall) {
+ case __NR_open:
+ return 2;
+ case __NR_openat:
+ return 3;
+ case __NR_socketcall:
+ return 4;
+ case __NR_execve:
+ return 5;
+ default:
+ return 1;
+ }
+}
diff --git a/arch/powerpc/kernel/crash.c b/arch/powerpc/kernel/crash.c
index f04c18e08b8..1af41f7616d 100644
--- a/arch/powerpc/kernel/crash.c
+++ b/arch/powerpc/kernel/crash.c
@@ -295,7 +295,7 @@ void default_machine_crash_shutdown(struct pt_regs *regs)
struct irq_desc *desc = irq_desc + irq;
if (desc->status & IRQ_INPROGRESS)
- desc->chip->end(irq);
+ desc->chip->eoi(irq);
if (!(desc->status & IRQ_DISABLED))
desc->chip->disable(irq);
diff --git a/arch/powerpc/kernel/misc.S b/arch/powerpc/kernel/misc.S
index fc23040d5a2..f770805f121 100644
--- a/arch/powerpc/kernel/misc.S
+++ b/arch/powerpc/kernel/misc.S
@@ -17,15 +17,6 @@
.text
-#ifdef CONFIG_PPC64
-#define IN_SYNC twi 0,r5,0; isync
-#define EIEIO_32
-#define SYNC_64 sync
-#else /* CONFIG_PPC32 */
-#define IN_SYNC
-#define EIEIO_32 eieio
-#define SYNC_64
-#endif
/*
* Returns (address we are running at) - (address we were linked at)
* for use before the text and data are mapped to KERNELBASE.
@@ -70,6 +61,7 @@ _GLOBAL(add_reloc_offset)
* The *_ns versions don't do byte-swapping.
*/
_GLOBAL(_insb)
+ sync
cmpwi 0,r5,0
mtctr r5
subi r4,r4,1
@@ -78,7 +70,8 @@ _GLOBAL(_insb)
eieio
stbu r5,1(r4)
bdnz 00b
- IN_SYNC
+ twi 0,r5,0
+ isync
blr
_GLOBAL(_outsb)
@@ -86,14 +79,15 @@ _GLOBAL(_outsb)
mtctr r5
subi r4,r4,1
blelr-
+ sync
00: lbzu r5,1(r4)
stb r5,0(r3)
- EIEIO_32
bdnz 00b
- SYNC_64
+ sync
blr
_GLOBAL(_insw)
+ sync
cmpwi 0,r5,0
mtctr r5
subi r4,r4,2
@@ -102,7 +96,8 @@ _GLOBAL(_insw)
eieio
sthu r5,2(r4)
bdnz 00b
- IN_SYNC
+ twi 0,r5,0
+ isync
blr
_GLOBAL(_outsw)
@@ -110,14 +105,15 @@ _GLOBAL(_outsw)
mtctr r5
subi r4,r4,2
blelr-
+ sync
00: lhzu r5,2(r4)
- EIEIO_32
sthbrx r5,0,r3
bdnz 00b
- SYNC_64
+ sync
blr
_GLOBAL(_insl)
+ sync
cmpwi 0,r5,0
mtctr r5
subi r4,r4,4
@@ -126,7 +122,8 @@ _GLOBAL(_insl)
eieio
stwu r5,4(r4)
bdnz 00b
- IN_SYNC
+ twi 0,r5,0
+ isync
blr
_GLOBAL(_outsl)
@@ -134,17 +131,18 @@ _GLOBAL(_outsl)
mtctr r5
subi r4,r4,4
blelr-
+ sync
00: lwzu r5,4(r4)
stwbrx r5,0,r3
- EIEIO_32
bdnz 00b
- SYNC_64
+ sync
blr
#ifdef CONFIG_PPC32
_GLOBAL(__ide_mm_insw)
#endif
_GLOBAL(_insw_ns)
+ sync
cmpwi 0,r5,0
mtctr r5
subi r4,r4,2
@@ -153,7 +151,8 @@ _GLOBAL(_insw_ns)
eieio
sthu r5,2(r4)
bdnz 00b
- IN_SYNC
+ twi 0,r5,0
+ isync
blr
#ifdef CONFIG_PPC32
@@ -164,17 +163,18 @@ _GLOBAL(_outsw_ns)
mtctr r5
subi r4,r4,2
blelr-
+ sync
00: lhzu r5,2(r4)
sth r5,0(r3)
- EIEIO_32
bdnz 00b
- SYNC_64
+ sync
blr
#ifdef CONFIG_PPC32
_GLOBAL(__ide_mm_insl)
#endif
_GLOBAL(_insl_ns)
+ sync
cmpwi 0,r5,0
mtctr r5
subi r4,r4,4
@@ -183,7 +183,8 @@ _GLOBAL(_insl_ns)
eieio
stwu r5,4(r4)
bdnz 00b
- IN_SYNC
+ twi 0,r5,0
+ isync
blr
#ifdef CONFIG_PPC32
@@ -194,10 +195,10 @@ _GLOBAL(_outsl_ns)
mtctr r5
subi r4,r4,4
blelr-
+ sync
00: lwzu r5,4(r4)
stw r5,0(r3)
- EIEIO_32
bdnz 00b
- SYNC_64
+ sync
blr
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-19 12:22:20 +0000