5 files changed, 70 insertions, 56 deletions

diff --git a/arch/loongarch/include/asm/addrspace.h b/arch/loongarch/include/asm/addrspace.h
index 5c9c03bdf915..b24437e28c6e 100644
--- a/arch/loongarch/include/asm/addrspace.h
+++ b/arch/loongarch/include/asm/addrspace.h
@@ -19,7 +19,7 @@
  */
 #ifndef __ASSEMBLY__
 #ifndef PHYS_OFFSET
-#define PHYS_OFFSET	_AC(0, UL)
+#define PHYS_OFFSET	_UL(0)
 #endif
 extern unsigned long vm_map_base;
 #endif /* __ASSEMBLY__ */
@@ -43,7 +43,7 @@ extern unsigned long vm_map_base;
  * Memory above this physical address will be considered highmem.
  */
 #ifndef HIGHMEM_START
-#define HIGHMEM_START		(_AC(1, UL) << _AC(DMW_PABITS, UL))
+#define HIGHMEM_START		(_UL(1) << _UL(DMW_PABITS))
 #endif
 
 #define TO_PHYS(x)		(		((x) & TO_PHYS_MASK))
@@ -65,16 +65,16 @@ extern unsigned long vm_map_base;
 #define _ATYPE_
 #define _ATYPE32_
 #define _ATYPE64_
-#define _CONST64_(x)	x
 #else
 #define _ATYPE_		__PTRDIFF_TYPE__
 #define _ATYPE32_	int
 #define _ATYPE64_	__s64
+#endif
+
 #ifdef CONFIG_64BIT
-#define _CONST64_(x)	x ## UL
+#define _CONST64_(x)	_UL(x)
 #else
-#define _CONST64_(x)	x ## ULL
-#endif
+#define _CONST64_(x)	_ULL(x)
 #endif
 
 /*
diff --git a/arch/loongarch/include/asm/elf.h b/arch/loongarch/include/asm/elf.h
index 7af0cebf28d7..b9a4ab54285c 100644
--- a/arch/loongarch/include/asm/elf.h
+++ b/arch/loongarch/include/asm/elf.h
@@ -111,6 +111,15 @@
 #define R_LARCH_TLS_GD_HI20			98
 #define R_LARCH_32_PCREL			99
 #define R_LARCH_RELAX				100
+#define R_LARCH_DELETE				101
+#define R_LARCH_ALIGN				102
+#define R_LARCH_PCREL20_S2			103
+#define R_LARCH_CFA				104
+#define R_LARCH_ADD6				105
+#define R_LARCH_SUB6				106
+#define R_LARCH_ADD_ULEB128			107
+#define R_LARCH_SUB_ULEB128			108
+#define R_LARCH_64_PCREL			109
 
 #ifndef ELF_ARCH
 
diff --git a/arch/loongarch/include/asm/exception.h b/arch/loongarch/include/asm/exception.h
new file mode 100644
index 000000000000..af74a3fdcad1
--- /dev/null
+++ b/arch/loongarch/include/asm/exception.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef __ASM_EXCEPTION_H
+#define __ASM_EXCEPTION_H
+
+#include <asm/ptrace.h>
+#include <linux/kprobes.h>
+
+void show_registers(struct pt_regs *regs);
+
+asmlinkage void cache_parity_error(void);
+asmlinkage void noinstr do_ade(struct pt_regs *regs);
+asmlinkage void noinstr do_ale(struct pt_regs *regs);
+asmlinkage void noinstr do_bce(struct pt_regs *regs);
+asmlinkage void noinstr do_bp(struct pt_regs *regs);
+asmlinkage void noinstr do_ri(struct pt_regs *regs);
+asmlinkage void noinstr do_fpu(struct pt_regs *regs);
+asmlinkage void noinstr do_fpe(struct pt_regs *regs, unsigned long fcsr);
+asmlinkage void noinstr do_lsx(struct pt_regs *regs);
+asmlinkage void noinstr do_lasx(struct pt_regs *regs);
+asmlinkage void noinstr do_lbt(struct pt_regs *regs);
+asmlinkage void noinstr do_watch(struct pt_regs *regs);
+asmlinkage void noinstr do_syscall(struct pt_regs *regs);
+asmlinkage void noinstr do_reserved(struct pt_regs *regs);
+asmlinkage void noinstr do_vint(struct pt_regs *regs, unsigned long sp);
+asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
+				unsigned long write, unsigned long address);
+
+asmlinkage void handle_ade(void);
+asmlinkage void handle_ale(void);
+asmlinkage void handle_bce(void);
+asmlinkage void handle_sys(void);
+asmlinkage void handle_bp(void);
+asmlinkage void handle_ri(void);
+asmlinkage void handle_fpu(void);
+asmlinkage void handle_fpe(void);
+asmlinkage void handle_lsx(void);
+asmlinkage void handle_lasx(void);
+asmlinkage void handle_lbt(void);
+asmlinkage void handle_watch(void);
+asmlinkage void handle_reserved(void);
+asmlinkage void handle_vint(void);
+asmlinkage void noinstr handle_loongarch_irq(struct pt_regs *regs);
+
+#endif	/* __ASM_EXCEPTION_H */
diff --git a/arch/loongarch/include/asm/kasan.h b/arch/loongarch/include/asm/kasan.h
index deeff8158f45..cd6084f4e153 100644
--- a/arch/loongarch/include/asm/kasan.h
+++ b/arch/loongarch/include/asm/kasan.h
@@ -10,8 +10,6 @@
 #include <asm/io.h>
 #include <asm/pgtable.h>
 
-#define __HAVE_ARCH_SHADOW_MAP
-
 #define KASAN_SHADOW_SCALE_SHIFT 3
 #define KASAN_SHADOW_OFFSET	_AC(CONFIG_KASAN_SHADOW_OFFSET, UL)
 
@@ -62,61 +60,22 @@
 extern bool kasan_early_stage;
 extern unsigned char kasan_early_shadow_page[PAGE_SIZE];
 
+#define kasan_mem_to_shadow kasan_mem_to_shadow
+void *kasan_mem_to_shadow(const void *addr);
+
+#define kasan_shadow_to_mem kasan_shadow_to_mem
+const void *kasan_shadow_to_mem(const void *shadow_addr);
+
 #define kasan_arch_is_ready kasan_arch_is_ready
 static __always_inline bool kasan_arch_is_ready(void)
 {
 	return !kasan_early_stage;
 }
 
-static inline void *kasan_mem_to_shadow(const void *addr)
-{
-	if (!kasan_arch_is_ready()) {
-		return (void *)(kasan_early_shadow_page);
-	} else {
-		unsigned long maddr = (unsigned long)addr;
-		unsigned long xrange = (maddr >> XRANGE_SHIFT) & 0xffff;
-		unsigned long offset = 0;
-
-		maddr &= XRANGE_SHADOW_MASK;
-		switch (xrange) {
-		case XKPRANGE_CC_SEG:
-			offset = XKPRANGE_CC_SHADOW_OFFSET;
-			break;
-		case XKPRANGE_UC_SEG:
-			offset = XKPRANGE_UC_SHADOW_OFFSET;
-			break;
-		case XKVRANGE_VC_SEG:
-			offset = XKVRANGE_VC_SHADOW_OFFSET;
-			break;
-		default:
-			WARN_ON(1);
-			return NULL;
-		}
-
-		return (void *)((maddr >> KASAN_SHADOW_SCALE_SHIFT) + offset);
-	}
-}
-
-static inline const void *kasan_shadow_to_mem(const void *shadow_addr)
+#define addr_has_metadata addr_has_metadata
+static __always_inline bool addr_has_metadata(const void *addr)
 {
-	unsigned long addr = (unsigned long)shadow_addr;
-
-	if (unlikely(addr > KASAN_SHADOW_END) ||
-		unlikely(addr < KASAN_SHADOW_START)) {
-		WARN_ON(1);
-		return NULL;
-	}
-
-	if (addr >= XKVRANGE_VC_SHADOW_OFFSET)
-		return (void *)(((addr - XKVRANGE_VC_SHADOW_OFFSET) << KASAN_SHADOW_SCALE_SHIFT) + XKVRANGE_VC_START);
-	else if (addr >= XKPRANGE_UC_SHADOW_OFFSET)
-		return (void *)(((addr - XKPRANGE_UC_SHADOW_OFFSET) << KASAN_SHADOW_SCALE_SHIFT) + XKPRANGE_UC_START);
-	else if (addr >= XKPRANGE_CC_SHADOW_OFFSET)
-		return (void *)(((addr - XKPRANGE_CC_SHADOW_OFFSET) << KASAN_SHADOW_SCALE_SHIFT) + XKPRANGE_CC_START);
-	else {
-		WARN_ON(1);
-		return NULL;
-	}
+	return (kasan_mem_to_shadow((void *)addr) != NULL);
 }
 
 void kasan_init(void);
diff --git a/arch/loongarch/include/asm/smp.h b/arch/loongarch/include/asm/smp.h
index 66ecb480c894..f81e5f01d619 100644
--- a/arch/loongarch/include/asm/smp.h
+++ b/arch/loongarch/include/asm/smp.h
@@ -70,6 +70,7 @@ struct secondary_data {
 extern struct secondary_data cpuboot_data;
 
 extern asmlinkage void smpboot_entry(void);
+extern asmlinkage void start_secondary(void);
 
 extern void calculate_cpu_foreign_map(void);