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authorLinus Torvalds <torvalds@linux-foundation.org>2019-07-13 16:08:36 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-07-13 16:08:36 -0700
commit192f0f8e9db7efe4ac98d47f5fa4334e43c1204d (patch)
tree9d1f274bf91e30bafc1296ca0520f7ef49c5d15a /arch/powerpc/include/asm/head-64.h
parentec9249752465b87b5b26d03f476eebaf872ebd12 (diff)
parentf5a9e488d62360c91c5770bd55a0b40e419a71ce (diff)
downloadlinux-192f0f8e9db7efe4ac98d47f5fa4334e43c1204d.tar.gz
Merge tag 'powerpc-5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc updates from Michael Ellerman: "Notable changes: - Removal of the NPU DMA code, used by the out-of-tree Nvidia driver, as well as some other functions only used by drivers that haven't (yet?) made it upstream. - A fix for a bug in our handling of hardware watchpoints (eg. perf record -e mem: ...) which could lead to register corruption and kernel crashes. - Enable HAVE_ARCH_HUGE_VMAP, which allows us to use large pages for vmalloc when using the Radix MMU. - A large but incremental rewrite of our exception handling code to use gas macros rather than multiple levels of nested CPP macros. And the usual small fixes, cleanups and improvements. Thanks to: Alastair D'Silva, Alexey Kardashevskiy, Andreas Schwab, Aneesh Kumar K.V, Anju T Sudhakar, Anton Blanchard, Arnd Bergmann, Athira Rajeev, Cédric Le Goater, Christian Lamparter, Christophe Leroy, Christophe Lombard, Christoph Hellwig, Daniel Axtens, Denis Efremov, Enrico Weigelt, Frederic Barrat, Gautham R. Shenoy, Geert Uytterhoeven, Geliang Tang, Gen Zhang, Greg Kroah-Hartman, Greg Kurz, Gustavo Romero, Krzysztof Kozlowski, Madhavan Srinivasan, Masahiro Yamada, Mathieu Malaterre, Michael Neuling, Nathan Lynch, Naveen N. Rao, Nicholas Piggin, Nishad Kamdar, Oliver O'Halloran, Qian Cai, Ravi Bangoria, Sachin Sant, Sam Bobroff, Satheesh Rajendran, Segher Boessenkool, Shaokun Zhang, Shawn Anastasio, Stewart Smith, Suraj Jitindar Singh, Thiago Jung Bauermann, YueHaibing" * tag 'powerpc-5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: (163 commits) powerpc/powernv/idle: Fix restore of SPRN_LDBAR for POWER9 stop state. powerpc/eeh: Handle hugepages in ioremap space ocxl: Update for AFU descriptor template version 1.1 powerpc/boot: pass CONFIG options in a simpler and more robust way powerpc/boot: add {get, put}_unaligned_be32 to xz_config.h powerpc/irq: Don't WARN continuously in arch_local_irq_restore() powerpc/module64: Use symbolic instructions names. powerpc/module32: Use symbolic instructions names. powerpc: Move PPC_HA() PPC_HI() and PPC_LO() to ppc-opcode.h powerpc/module64: Fix comment in R_PPC64_ENTRY handling powerpc/boot: Add lzo support for uImage powerpc/boot: Add lzma support for uImage powerpc/boot: don't force gzipped uImage powerpc/8xx: Add microcode patch to move SMC parameter RAM. powerpc/8xx: Use IO accessors in microcode programming. powerpc/8xx: replace #ifdefs by IS_ENABLED() in microcode.c powerpc/8xx: refactor programming of microcode CPM params. powerpc/8xx: refactor printing of microcode patch name. powerpc/8xx: Refactor microcode write powerpc/8xx: refactor writing of CPM microcode arrays ...
Diffstat (limited to 'arch/powerpc/include/asm/head-64.h')
-rw-r--r--arch/powerpc/include/asm/head-64.h204
1 files changed, 1 insertions, 203 deletions
diff --git a/arch/powerpc/include/asm/head-64.h b/arch/powerpc/include/asm/head-64.h
index a4f947888744..a466765709a9 100644
--- a/arch/powerpc/include/asm/head-64.h
+++ b/arch/powerpc/include/asm/head-64.h
@@ -169,53 +169,6 @@ name:
#define ABS_ADDR(label) (label - fs_label + fs_start)
-/*
- * 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
- * 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
- *
- * The EXC handlers are given a name, and branch to name_common, or the
- * appropriate KVM or masking function. Vector handler verieties are as
- * follows:
- *
- * EXC_{REAL|VIRT}_BEGIN/END - used to open-code the exception
- *
- * EXC_{REAL|VIRT} - standard exception
- *
- * EXC_{REAL|VIRT}_suffix
- * where _suffix is:
- * - _MASKABLE - maskable exception
- * - _OOL - out of line with trampoline to common handler
- * - _HV - HV exception
- *
- * There can be combinations, e.g., EXC_VIRT_OOL_MASKABLE_HV
- *
- * The one unusual case is __EXC_REAL_OOL_HV_DIRECT, which is
- * an OOL vector that branches to a specified handler rather than the usual
- * trampoline that goes to common. It, and other underscore macros, should
- * be used with care.
- *
- * KVM handlers come in the following verieties:
- * TRAMP_KVM
- * TRAMP_KVM_SKIP
- * TRAMP_KVM_HV
- * TRAMP_KVM_HV_SKIP
- *
- * COMMON handlers come in the following verieties:
- * EXC_COMMON_BEGIN/END - used to open-code the handler
- * EXC_COMMON
- * EXC_COMMON_ASYNC
- *
- * TRAMP_REAL and TRAMP_VIRT can be used with BEGIN/END. KVM
- * and OOL handlers are implemented as types of TRAMP and TRAMP_VIRT handlers.
- */
-
#define EXC_REAL_BEGIN(name, start, size) \
FIXED_SECTION_ENTRY_BEGIN_LOCATION(real_vectors, exc_real_##start##_##name, start, size)
@@ -255,162 +208,7 @@ name:
#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, size) \
- EXC_REAL_BEGIN(name, start, size); \
- STD_EXCEPTION(start, name##_common); \
- EXC_REAL_END(name, start, size);
-
-#define EXC_VIRT(name, start, size, realvec) \
- EXC_VIRT_BEGIN(name, start, size); \
- STD_RELON_EXCEPTION(start, realvec, name##_common); \
- EXC_VIRT_END(name, start, size);
-
-#define EXC_REAL_MASKABLE(name, start, size, bitmask) \
- EXC_REAL_BEGIN(name, start, size); \
- MASKABLE_EXCEPTION(start, name##_common, bitmask); \
- EXC_REAL_END(name, start, size);
-
-#define EXC_VIRT_MASKABLE(name, start, size, realvec, bitmask) \
- EXC_VIRT_BEGIN(name, start, size); \
- MASKABLE_RELON_EXCEPTION(realvec, name##_common, bitmask); \
- EXC_VIRT_END(name, start, size);
-
-#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, size);
-
-#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, size);
-
-#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, size);
-
-#define __TRAMP_REAL_OOL(name, vec) \
- TRAMP_REAL_BEGIN(tramp_real_##name); \
- STD_EXCEPTION_OOL(vec, name##_common);
-
-#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, size) \
- __EXC_REAL_OOL(name, start, size);
-
-#define __TRAMP_REAL_OOL_MASKABLE(name, vec, bitmask) \
- TRAMP_REAL_BEGIN(tramp_real_##name); \
- MASKABLE_EXCEPTION_OOL(vec, name##_common, bitmask);
-
-#define EXC_REAL_OOL_MASKABLE(name, start, size, bitmask) \
- __EXC_REAL_OOL_MASKABLE(name, start, size); \
- __TRAMP_REAL_OOL_MASKABLE(name, start, bitmask);
-
-#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, size);
-
-#define __EXC_REAL_OOL_HV(name, start, size) \
- __EXC_REAL_OOL(name, start, size);
-
-#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, size) \
- __EXC_REAL_OOL_HV(name, start, size); \
- __TRAMP_REAL_OOL_HV(name, start);
-
-#define __EXC_REAL_OOL_MASKABLE_HV(name, start, size) \
- __EXC_REAL_OOL(name, start, size);
-
-#define __TRAMP_REAL_OOL_MASKABLE_HV(name, vec, bitmask) \
- TRAMP_REAL_BEGIN(tramp_real_##name); \
- MASKABLE_EXCEPTION_HV_OOL(vec, name##_common, bitmask); \
-
-#define EXC_REAL_OOL_MASKABLE_HV(name, start, size, bitmask) \
- __EXC_REAL_OOL_MASKABLE_HV(name, start, size); \
- __TRAMP_REAL_OOL_MASKABLE_HV(name, start, bitmask);
-
-#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, size);
-
-#define __TRAMP_VIRT_OOL(name, realvec) \
- TRAMP_VIRT_BEGIN(tramp_virt_##name); \
- STD_RELON_EXCEPTION_OOL(realvec, name##_common);
-
-#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, size) \
- __EXC_VIRT_OOL(name, start, size);
-
-#define __TRAMP_VIRT_OOL_MASKABLE(name, realvec, bitmask) \
- TRAMP_VIRT_BEGIN(tramp_virt_##name); \
- MASKABLE_RELON_EXCEPTION_OOL(realvec, name##_common, bitmask);
-
-#define EXC_VIRT_OOL_MASKABLE(name, start, size, realvec, bitmask) \
- __EXC_VIRT_OOL_MASKABLE(name, start, size); \
- __TRAMP_VIRT_OOL_MASKABLE(name, realvec, bitmask);
-
-#define __EXC_VIRT_OOL_HV(name, start, size) \
- __EXC_VIRT_OOL(name, start, size);
-
-#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, size, realvec) \
- __EXC_VIRT_OOL_HV(name, start, size); \
- __TRAMP_VIRT_OOL_HV(name, realvec);
-
-#define __EXC_VIRT_OOL_MASKABLE_HV(name, start, size) \
- __EXC_VIRT_OOL(name, start, size);
-
-#define __TRAMP_VIRT_OOL_MASKABLE_HV(name, realvec, bitmask) \
- TRAMP_VIRT_BEGIN(tramp_virt_##name); \
- MASKABLE_RELON_EXCEPTION_HV_OOL(realvec, name##_common, bitmask);\
-
-#define EXC_VIRT_OOL_MASKABLE_HV(name, start, size, realvec, bitmask) \
- __EXC_VIRT_OOL_MASKABLE_HV(name, start, size); \
- __TRAMP_VIRT_OOL_MASKABLE_HV(name, realvec, bitmask);
-
-#define TRAMP_KVM(area, n) \
- TRAMP_KVM_BEGIN(do_kvm_##n); \
- KVM_HANDLER(area, EXC_STD, n); \
-
-#define TRAMP_KVM_SKIP(area, n) \
- TRAMP_KVM_BEGIN(do_kvm_##n); \
- KVM_HANDLER_SKIP(area, EXC_STD, n); \
-
-/*
- * HV variant exceptions get the 0x2 bit added to their trap number.
- */
-#define TRAMP_KVM_HV(area, n) \
- TRAMP_KVM_BEGIN(do_kvm_H##n); \
- KVM_HANDLER(area, EXC_HV, n + 0x2); \
-
-#define TRAMP_KVM_HV_SKIP(area, n) \
- 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); \
- STD_EXCEPTION_COMMON(realvec, name, hdlr); \
-
-#define EXC_COMMON_ASYNC(name, realvec, hdlr) \
- EXC_COMMON_BEGIN(name); \
- STD_EXCEPTION_COMMON_ASYNC(realvec, name, hdlr); \
+ FIXED_SECTION_ENTRY_END_LOCATION(virt_vectors, exc_virt_##start##_##unused, start, size)
#endif /* __ASSEMBLY__ */