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Diffstat (limited to 'arch/powerpc/include/asm/head-64.h')
-rw-r--r--arch/powerpc/include/asm/head-64.h232
1 files changed, 119 insertions, 113 deletions
diff --git a/arch/powerpc/include/asm/head-64.h b/arch/powerpc/include/asm/head-64.h
index fca7033839a9..5067048daad4 100644
--- a/arch/powerpc/include/asm/head-64.h
+++ b/arch/powerpc/include/asm/head-64.h
@@ -38,8 +38,8 @@
* li r10,128
* mv r11,r10
- * FIXED_SECTION_ENTRY_BEGIN_LOCATION(section_name, label2, start_address)
- * FIXED_SECTION_ENTRY_END_LOCATION(section_name, label2, end_address)
+ * FIXED_SECTION_ENTRY_BEGIN_LOCATION(section_name, label2, start_address, size)
+ * FIXED_SECTION_ENTRY_END_LOCATION(section_name, label2, start_address, size)
* CLOSE_FIXED_SECTION(section_name)
*
* ZERO_FIXED_SECTION can be used to emit zeroed data.
@@ -102,9 +102,15 @@ name:
#define FIXED_SECTION_ENTRY_BEGIN(sname, name) \
__FIXED_SECTION_ENTRY_BEGIN(sname, name, IFETCH_ALIGN_BYTES)
-#define FIXED_SECTION_ENTRY_BEGIN_LOCATION(sname, name, start) \
+#define FIXED_SECTION_ENTRY_BEGIN_LOCATION(sname, name, start, size) \
USE_FIXED_SECTION(sname); \
name##_start = (start); \
+ .if ((start) % (size) != 0); \
+ .error "Fixed section exception vector misalignment"; \
+ .endif; \
+ .if ((size) != 0x20) && ((size) != 0x80) && ((size) != 0x100); \
+ .error "Fixed section exception vector bad size"; \
+ .endif; \
.if (start) < sname##_start; \
.error "Fixed section underflow"; \
.abort; \
@@ -113,16 +119,16 @@ name:
.global name; \
name:
-#define FIXED_SECTION_ENTRY_END_LOCATION(sname, name, end) \
- .if (end) > sname##_end; \
+#define FIXED_SECTION_ENTRY_END_LOCATION(sname, name, start, size) \
+ .if (start) + (size) > sname##_end; \
.error "Fixed section overflow"; \
.abort; \
.endif; \
- .if (. - name > end - name##_start); \
+ .if (. - name > (start) + (size) - name##_start); \
.error "Fixed entry overflow"; \
.abort; \
.endif; \
- . = ((end) - sname##_start); \
+ . = ((start) + (size) - sname##_start); \
/*
@@ -147,12 +153,12 @@ name:
* Following are the BOOK3S exception handler helper macros.
* Handlers come in a number of types, and each type has a number of varieties.
*
- * EXC_REAL_* - real, unrelocated exception vectors
- * EXC_VIRT_* - virt (AIL), unrelocated exception vectors
+ * EXC_REAL_* - real, unrelocated exception vectors
+ * EXC_VIRT_* - virt (AIL), unrelocated exception vectors
* TRAMP_REAL_* - real, unrelocated helpers (virt can call these)
- * TRAMP_VIRT_* - virt, unreloc helpers (in practice, real can use)
- * TRAMP_KVM - KVM handlers that get put into real, unrelocated
- * EXC_COMMON_* - virt, relocated common handlers
+ * TRAMP_VIRT_* - virt, unreloc helpers (in practice, real can use)
+ * TRAMP_KVM - KVM handlers that get put into real, unrelocated
+ * EXC_COMMON_* - virt, relocated common handlers
*
* The EXC handlers are given a name, and branch to name_common, or the
* appropriate KVM or masking function. Vector handler verieties are as
@@ -191,23 +197,23 @@ name:
* and OOL handlers are implemented as types of TRAMP and TRAMP_VIRT handlers.
*/
-#define EXC_REAL_BEGIN(name, start, end) \
- FIXED_SECTION_ENTRY_BEGIN_LOCATION(real_vectors, exc_real_##start##_##name, start)
+#define EXC_REAL_BEGIN(name, start, size) \
+ FIXED_SECTION_ENTRY_BEGIN_LOCATION(real_vectors, exc_real_##start##_##name, start, size)
-#define EXC_REAL_END(name, start, end) \
- FIXED_SECTION_ENTRY_END_LOCATION(real_vectors, exc_real_##start##_##name, end)
+#define EXC_REAL_END(name, start, size) \
+ FIXED_SECTION_ENTRY_END_LOCATION(real_vectors, exc_real_##start##_##name, start, size)
-#define EXC_VIRT_BEGIN(name, start, end) \
- FIXED_SECTION_ENTRY_BEGIN_LOCATION(virt_vectors, exc_virt_##start##_##name, start)
+#define EXC_VIRT_BEGIN(name, start, size) \
+ FIXED_SECTION_ENTRY_BEGIN_LOCATION(virt_vectors, exc_virt_##start##_##name, start, size)
-#define EXC_VIRT_END(name, start, end) \
- FIXED_SECTION_ENTRY_END_LOCATION(virt_vectors, exc_virt_##start##_##name, end)
+#define EXC_VIRT_END(name, start, size) \
+ FIXED_SECTION_ENTRY_END_LOCATION(virt_vectors, exc_virt_##start##_##name, start, size)
-#define EXC_COMMON_BEGIN(name) \
- USE_TEXT_SECTION(); \
- .balign IFETCH_ALIGN_BYTES; \
- .global name; \
- DEFINE_FIXED_SYMBOL(name); \
+#define EXC_COMMON_BEGIN(name) \
+ USE_TEXT_SECTION(); \
+ .balign IFETCH_ALIGN_BYTES; \
+ .global name; \
+ DEFINE_FIXED_SYMBOL(name); \
name:
#define TRAMP_REAL_BEGIN(name) \
@@ -217,147 +223,147 @@ name:
FIXED_SECTION_ENTRY_BEGIN(virt_trampolines, name)
#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
-#define TRAMP_KVM_BEGIN(name) \
- TRAMP_REAL_BEGIN(name)
+#define TRAMP_KVM_BEGIN(name) \
+ TRAMP_VIRT_BEGIN(name)
#else
#define TRAMP_KVM_BEGIN(name)
#endif
-#define EXC_REAL_NONE(start, end) \
- FIXED_SECTION_ENTRY_BEGIN_LOCATION(real_vectors, exc_real_##start##_##unused, start); \
- FIXED_SECTION_ENTRY_END_LOCATION(real_vectors, exc_real_##start##_##unused, end)
+#define EXC_REAL_NONE(start, size) \
+ FIXED_SECTION_ENTRY_BEGIN_LOCATION(real_vectors, exc_real_##start##_##unused, start, size); \
+ FIXED_SECTION_ENTRY_END_LOCATION(real_vectors, exc_real_##start##_##unused, start, size)
-#define EXC_VIRT_NONE(start, end) \
- FIXED_SECTION_ENTRY_BEGIN_LOCATION(virt_vectors, exc_virt_##start##_##unused, start); \
- FIXED_SECTION_ENTRY_END_LOCATION(virt_vectors, exc_virt_##start##_##unused, end);
+#define EXC_VIRT_NONE(start, size) \
+ FIXED_SECTION_ENTRY_BEGIN_LOCATION(virt_vectors, exc_virt_##start##_##unused, start, size); \
+ FIXED_SECTION_ENTRY_END_LOCATION(virt_vectors, exc_virt_##start##_##unused, start, size);
-#define EXC_REAL(name, start, end) \
- EXC_REAL_BEGIN(name, start, end); \
+#define EXC_REAL(name, start, size) \
+ EXC_REAL_BEGIN(name, start, size); \
STD_EXCEPTION_PSERIES(start, name##_common); \
- EXC_REAL_END(name, start, end);
+ EXC_REAL_END(name, start, size);
-#define EXC_VIRT(name, start, end, realvec) \
- EXC_VIRT_BEGIN(name, start, end); \
+#define EXC_VIRT(name, start, size, realvec) \
+ EXC_VIRT_BEGIN(name, start, size); \
STD_RELON_EXCEPTION_PSERIES(start, realvec, name##_common); \
- EXC_VIRT_END(name, start, end);
+ EXC_VIRT_END(name, start, size);
-#define EXC_REAL_MASKABLE(name, start, end) \
- EXC_REAL_BEGIN(name, start, end); \
+#define EXC_REAL_MASKABLE(name, start, size) \
+ EXC_REAL_BEGIN(name, start, size); \
MASKABLE_EXCEPTION_PSERIES(start, start, name##_common); \
- EXC_REAL_END(name, start, end);
+ EXC_REAL_END(name, start, size);
-#define EXC_VIRT_MASKABLE(name, start, end, realvec) \
- EXC_VIRT_BEGIN(name, start, end); \
+#define EXC_VIRT_MASKABLE(name, start, size, realvec) \
+ EXC_VIRT_BEGIN(name, start, size); \
MASKABLE_RELON_EXCEPTION_PSERIES(start, realvec, name##_common); \
- EXC_VIRT_END(name, start, end);
+ EXC_VIRT_END(name, start, size);
-#define EXC_REAL_HV(name, start, end) \
- EXC_REAL_BEGIN(name, start, end); \
+#define EXC_REAL_HV(name, start, size) \
+ EXC_REAL_BEGIN(name, start, size); \
STD_EXCEPTION_HV(start, start, name##_common); \
- EXC_REAL_END(name, start, end);
+ EXC_REAL_END(name, start, size);
-#define EXC_VIRT_HV(name, start, end, realvec) \
- EXC_VIRT_BEGIN(name, start, end); \
+#define EXC_VIRT_HV(name, start, size, realvec) \
+ EXC_VIRT_BEGIN(name, start, size); \
STD_RELON_EXCEPTION_HV(start, realvec, name##_common); \
- EXC_VIRT_END(name, start, end);
+ EXC_VIRT_END(name, start, size);
-#define __EXC_REAL_OOL(name, start, end) \
- EXC_REAL_BEGIN(name, start, end); \
+#define __EXC_REAL_OOL(name, start, size) \
+ EXC_REAL_BEGIN(name, start, size); \
__OOL_EXCEPTION(start, label, tramp_real_##name); \
- EXC_REAL_END(name, start, end);
+ EXC_REAL_END(name, start, size);
-#define __TRAMP_REAL_REAL_OOL(name, vec) \
+#define __TRAMP_REAL_OOL(name, vec) \
TRAMP_REAL_BEGIN(tramp_real_##name); \
STD_EXCEPTION_PSERIES_OOL(vec, name##_common); \
-#define EXC_REAL_OOL(name, start, end) \
- __EXC_REAL_OOL(name, start, end); \
- __TRAMP_REAL_REAL_OOL(name, start);
+#define EXC_REAL_OOL(name, start, size) \
+ __EXC_REAL_OOL(name, start, size); \
+ __TRAMP_REAL_OOL(name, start);
-#define __EXC_REAL_OOL_MASKABLE(name, start, end) \
- __EXC_REAL_OOL(name, start, end);
+#define __EXC_REAL_OOL_MASKABLE(name, start, size) \
+ __EXC_REAL_OOL(name, start, size);
-#define __TRAMP_REAL_REAL_OOL_MASKABLE(name, vec) \
+#define __TRAMP_REAL_OOL_MASKABLE(name, vec) \
TRAMP_REAL_BEGIN(tramp_real_##name); \
MASKABLE_EXCEPTION_PSERIES_OOL(vec, name##_common); \
-#define EXC_REAL_OOL_MASKABLE(name, start, end) \
- __EXC_REAL_OOL_MASKABLE(name, start, end); \
- __TRAMP_REAL_REAL_OOL_MASKABLE(name, start);
+#define EXC_REAL_OOL_MASKABLE(name, start, size) \
+ __EXC_REAL_OOL_MASKABLE(name, start, size); \
+ __TRAMP_REAL_OOL_MASKABLE(name, start);
-#define __EXC_REAL_OOL_HV_DIRECT(name, start, end, handler) \
- EXC_REAL_BEGIN(name, start, end); \
+#define __EXC_REAL_OOL_HV_DIRECT(name, start, size, handler) \
+ EXC_REAL_BEGIN(name, start, size); \
__OOL_EXCEPTION(start, label, handler); \
- EXC_REAL_END(name, start, end);
+ EXC_REAL_END(name, start, size);
-#define __EXC_REAL_OOL_HV(name, start, end) \
- __EXC_REAL_OOL(name, start, end);
+#define __EXC_REAL_OOL_HV(name, start, size) \
+ __EXC_REAL_OOL(name, start, size);
-#define __TRAMP_REAL_REAL_OOL_HV(name, vec) \
+#define __TRAMP_REAL_OOL_HV(name, vec) \
TRAMP_REAL_BEGIN(tramp_real_##name); \
STD_EXCEPTION_HV_OOL(vec, name##_common); \
-#define EXC_REAL_OOL_HV(name, start, end) \
- __EXC_REAL_OOL_HV(name, start, end); \
- __TRAMP_REAL_REAL_OOL_HV(name, start);
+#define EXC_REAL_OOL_HV(name, start, size) \
+ __EXC_REAL_OOL_HV(name, start, size); \
+ __TRAMP_REAL_OOL_HV(name, start);
-#define __EXC_REAL_OOL_MASKABLE_HV(name, start, end) \
- __EXC_REAL_OOL(name, start, end);
+#define __EXC_REAL_OOL_MASKABLE_HV(name, start, size) \
+ __EXC_REAL_OOL(name, start, size);
-#define __TRAMP_REAL_REAL_OOL_MASKABLE_HV(name, vec) \
+#define __TRAMP_REAL_OOL_MASKABLE_HV(name, vec) \
TRAMP_REAL_BEGIN(tramp_real_##name); \
MASKABLE_EXCEPTION_HV_OOL(vec, name##_common); \
-#define EXC_REAL_OOL_MASKABLE_HV(name, start, end) \
- __EXC_REAL_OOL_MASKABLE_HV(name, start, end); \
- __TRAMP_REAL_REAL_OOL_MASKABLE_HV(name, start);
+#define EXC_REAL_OOL_MASKABLE_HV(name, start, size) \
+ __EXC_REAL_OOL_MASKABLE_HV(name, start, size); \
+ __TRAMP_REAL_OOL_MASKABLE_HV(name, start);
-#define __EXC_VIRT_OOL(name, start, end) \
- EXC_VIRT_BEGIN(name, start, end); \
+#define __EXC_VIRT_OOL(name, start, size) \
+ EXC_VIRT_BEGIN(name, start, size); \
__OOL_EXCEPTION(start, label, tramp_virt_##name); \
- EXC_VIRT_END(name, start, end);
+ EXC_VIRT_END(name, start, size);
-#define __TRAMP_REAL_VIRT_OOL(name, realvec) \
- TRAMP_VIRT_BEGIN(tramp_virt_##name); \
+#define __TRAMP_VIRT_OOL(name, realvec) \
+ TRAMP_VIRT_BEGIN(tramp_virt_##name); \
STD_RELON_EXCEPTION_PSERIES_OOL(realvec, name##_common); \
-#define EXC_VIRT_OOL(name, start, end, realvec) \
- __EXC_VIRT_OOL(name, start, end); \
- __TRAMP_REAL_VIRT_OOL(name, realvec);
+#define EXC_VIRT_OOL(name, start, size, realvec) \
+ __EXC_VIRT_OOL(name, start, size); \
+ __TRAMP_VIRT_OOL(name, realvec);
-#define __EXC_VIRT_OOL_MASKABLE(name, start, end) \
- __EXC_VIRT_OOL(name, start, end);
+#define __EXC_VIRT_OOL_MASKABLE(name, start, size) \
+ __EXC_VIRT_OOL(name, start, size);
-#define __TRAMP_REAL_VIRT_OOL_MASKABLE(name, realvec) \
- TRAMP_VIRT_BEGIN(tramp_virt_##name); \
+#define __TRAMP_VIRT_OOL_MASKABLE(name, realvec) \
+ TRAMP_VIRT_BEGIN(tramp_virt_##name); \
MASKABLE_RELON_EXCEPTION_PSERIES_OOL(realvec, name##_common); \
-#define EXC_VIRT_OOL_MASKABLE(name, start, end, realvec) \
- __EXC_VIRT_OOL_MASKABLE(name, start, end); \
- __TRAMP_REAL_VIRT_OOL_MASKABLE(name, realvec);
+#define EXC_VIRT_OOL_MASKABLE(name, start, size, realvec) \
+ __EXC_VIRT_OOL_MASKABLE(name, start, size); \
+ __TRAMP_VIRT_OOL_MASKABLE(name, realvec);
-#define __EXC_VIRT_OOL_HV(name, start, end) \
- __EXC_VIRT_OOL(name, start, end);
+#define __EXC_VIRT_OOL_HV(name, start, size) \
+ __EXC_VIRT_OOL(name, start, size);
-#define __TRAMP_REAL_VIRT_OOL_HV(name, realvec) \
- TRAMP_VIRT_BEGIN(tramp_virt_##name); \
+#define __TRAMP_VIRT_OOL_HV(name, realvec) \
+ TRAMP_VIRT_BEGIN(tramp_virt_##name); \
STD_RELON_EXCEPTION_HV_OOL(realvec, name##_common); \
-#define EXC_VIRT_OOL_HV(name, start, end, realvec) \
- __EXC_VIRT_OOL_HV(name, start, end); \
- __TRAMP_REAL_VIRT_OOL_HV(name, realvec);
+#define EXC_VIRT_OOL_HV(name, start, size, realvec) \
+ __EXC_VIRT_OOL_HV(name, start, size); \
+ __TRAMP_VIRT_OOL_HV(name, realvec);
-#define __EXC_VIRT_OOL_MASKABLE_HV(name, start, end) \
- __EXC_VIRT_OOL(name, start, end);
+#define __EXC_VIRT_OOL_MASKABLE_HV(name, start, size) \
+ __EXC_VIRT_OOL(name, start, size);
-#define __TRAMP_REAL_VIRT_OOL_MASKABLE_HV(name, realvec) \
- TRAMP_VIRT_BEGIN(tramp_virt_##name); \
+#define __TRAMP_VIRT_OOL_MASKABLE_HV(name, realvec) \
+ TRAMP_VIRT_BEGIN(tramp_virt_##name); \
MASKABLE_RELON_EXCEPTION_HV_OOL(realvec, name##_common); \
-#define EXC_VIRT_OOL_MASKABLE_HV(name, start, end, realvec) \
- __EXC_VIRT_OOL_MASKABLE_HV(name, start, end); \
- __TRAMP_REAL_VIRT_OOL_MASKABLE_HV(name, realvec);
+#define EXC_VIRT_OOL_MASKABLE_HV(name, start, size, realvec) \
+ __EXC_VIRT_OOL_MASKABLE_HV(name, start, size); \
+ __TRAMP_VIRT_OOL_MASKABLE_HV(name, realvec);
#define TRAMP_KVM(area, n) \
TRAMP_KVM_BEGIN(do_kvm_##n); \
@@ -378,16 +384,16 @@ name:
TRAMP_KVM_BEGIN(do_kvm_H##n); \
KVM_HANDLER_SKIP(area, EXC_HV, n + 0x2); \
-#define EXC_COMMON(name, realvec, hdlr) \
- EXC_COMMON_BEGIN(name); \
+#define EXC_COMMON(name, realvec, hdlr) \
+ EXC_COMMON_BEGIN(name); \
STD_EXCEPTION_COMMON(realvec, name, hdlr); \
-#define EXC_COMMON_ASYNC(name, realvec, hdlr) \
- EXC_COMMON_BEGIN(name); \
+#define EXC_COMMON_ASYNC(name, realvec, hdlr) \
+ EXC_COMMON_BEGIN(name); \
STD_EXCEPTION_COMMON_ASYNC(realvec, name, hdlr); \
#define EXC_COMMON_HV(name, realvec, hdlr) \
- EXC_COMMON_BEGIN(name); \
+ EXC_COMMON_BEGIN(name); \
STD_EXCEPTION_COMMON(realvec + 0x2, name, hdlr); \
#endif /* _ASM_POWERPC_HEAD_64_H */