qemu/tests/tcg/xtensa/vectors.S

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#include "core-isa.h"
.macro vector name
.section .vector.\name, "ax"
.global vector_\name
vector_\name\():
j 1f
.literal_position
1:
wsr a0, excsave1
movi a0, 1f
ret.n
.section .vector.\name\().text, "ax"
.literal_position
1:
rsr a0, excsave1
wsr a2, excsave1
movi a2, handler_\name
l32i a2, a2, 0
beqz a2, 1f
jx a2
1:
movi a3, 1b
movi a2, 1
simcall
.align 4
.global handler_\name
handler_\name\(): .word 0
.endm
#if XCHAL_HAVE_WINDOWED
vector window_overflow_4
vector window_overflow_8
vector window_overflow_12
vector window_underflow_4
vector window_underflow_8
vector window_underflow_12
#endif
#if XCHAL_NUM_INTLEVELS + XCHAL_HAVE_NMI >= 2
vector level2
#endif
#if XCHAL_NUM_INTLEVELS + XCHAL_HAVE_NMI >= 3
vector level3
#endif
#if XCHAL_NUM_INTLEVELS + XCHAL_HAVE_NMI >= 4
vector level4
#endif
#if XCHAL_NUM_INTLEVELS + XCHAL_HAVE_NMI >= 5
vector level5
#endif
#if XCHAL_NUM_INTLEVELS + XCHAL_HAVE_NMI >= 6
vector level6
#endif
#if XCHAL_NUM_INTLEVELS + XCHAL_HAVE_NMI >= 7
vector level7
#endif
vector kernel
vector user
vector double