diff options
| author | Max Filippov <jcmvbkbc@gmail.com> | 2021-07-26 07:32:55 -0700 |
|---|---|---|
| committer | Max Filippov <jcmvbkbc@gmail.com> | 2021-10-18 22:19:35 -0700 |
| commit | da0a4e5c8fbcce3d1afebf9f2a967083bb19634d (patch) | |
| tree | 5decac9abd975143a4f0f0fd63607dc4aaadb324 /arch/xtensa/kernel/vmlinux.lds.S | |
| parent | 09af39f649dac66c2681ca53977275fe876690cc (diff) | |
xtensa: only build windowed register support code when needed
There's no need in window overflow/underflow/alloca exception handlers
or window spill code when neither kernel nor userspace support windowed
registers. Don't build or link it.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Diffstat (limited to 'arch/xtensa/kernel/vmlinux.lds.S')
| -rw-r--r-- | arch/xtensa/kernel/vmlinux.lds.S | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/xtensa/kernel/vmlinux.lds.S b/arch/xtensa/kernel/vmlinux.lds.S index d23a6e38f062..eee270a039a4 100644 --- a/arch/xtensa/kernel/vmlinux.lds.S +++ b/arch/xtensa/kernel/vmlinux.lds.S @@ -94,7 +94,9 @@ SECTIONS . = ALIGN(PAGE_SIZE); _vecbase = .; +#ifdef SUPPORT_WINDOWED SECTION_VECTOR2 (.WindowVectors.text, WINDOW_VECTORS_VADDR) +#endif #if XCHAL_EXCM_LEVEL >= 2 SECTION_VECTOR2 (.Level2InterruptVector.text, INTLEVEL2_VECTOR_VADDR) #endif @@ -166,8 +168,10 @@ SECTIONS __boot_reloc_table_start = ABSOLUTE(.); #if !MERGED_VECTORS +#ifdef SUPPORT_WINDOWED RELOCATE_ENTRY(_WindowVectors_text, .WindowVectors.text); +#endif #if XCHAL_EXCM_LEVEL >= 2 RELOCATE_ENTRY(_Level2InterruptVector_text, .Level2InterruptVector.text); @@ -229,14 +233,18 @@ SECTIONS #if !MERGED_VECTORS /* The vectors are relocated to the real position at startup time */ +#ifdef SUPPORT_WINDOWED SECTION_VECTOR4 (_WindowVectors_text, .WindowVectors.text, WINDOW_VECTORS_VADDR, - .dummy) + LAST) +#undef LAST +#define LAST .WindowVectors.text +#endif SECTION_VECTOR4 (_DebugInterruptVector_text, .DebugInterruptVector.text, DEBUG_VECTOR_VADDR, - .WindowVectors.text) + LAST) #undef LAST #define LAST .DebugInterruptVector.text #if XCHAL_EXCM_LEVEL >= 2 |