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Release 6.1.11

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This commit is contained in:
Yuxin Zhou
2022-04-20 05:07:02 +00:00
parent f851772ce0
commit cef9cb22a5
784 changed files with 57616 additions and 101103 deletions
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12
ports/xtensa/xcc/src/xtensa_coproc_handler.S
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@@ -461,8 +461,10 @@ _xt_coproc_restorecs:
//-----------------------------------------------------------------------------
// For XEA3, coprocessor exceptions come here. This is a wrapper function that
// calls _xt_coproc_handler() to do the actual work. Since the handler can be
// interrupted make sure that no context switch occurs.
// calls _xt_coproc_handler() to do the actual work. We don't want the handler
// to be interrupted because that might cause a round-robin switch and leave
// coprocessor context in a confused state. So interrupts are disabled before
// calling the handler. They will be re-enabled on return from exception.
//-----------------------------------------------------------------------------
.text
@@ -474,9 +476,9 @@ _xt_coproc_exc:
#ifdef __XTENSA_CALL0_ABI__
addi a1, a1, -16 // reserve 16 bytes on stack
s32i a0, a1, 0 // save return address
s32i a2, a1, 4 // save a2
s32i a15, a1, 8 // must save a15 (see dispatch)
l32i a2, a1, 4
movi a3, PS_DI_MASK
xps a3, a3 // Set PS.DI, disable interrupts
l32i a3, a2, XT_STK_EXCCAUSE // a3 <- exccause
extui a2, a3, 8, 4 // a2 <- CP index
call0 _xt_coproc_handler
@@ -487,6 +489,8 @@ _xt_coproc_exc:
#else
entry a1, 48 // reserve 16 bytes on stack
s32i a0, a1, 0 // save return address
movi a3, PS_DI_MASK
xps a3, a3 // Set PS.DI, disable interrupts
l32i a3, a2, XT_STK_EXCCAUSE // a3 <- exccause
extui a2, a3, 8, 4 // a2 <- CP index
call0 _xt_coproc_handler