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opuntiaOS - an operating system targeting x86 and ARMv7
[kernel][arm] Clear exclusive monitors on interrupt
+5
+5
kernel/kernel/platform/aarch32/interrupts/interrupts.s
+5
kernel/kernel/platform/aarch32/interrupts/interrupts.s
···
21
21
b vector_FIQ
22
22
23
23
irq_isp:
24
+
clrex
24
25
subs lr, lr, #4
25
26
// Moving to SVC mode, to use it's stack.
26
27
stmfd sp!, {r1-r5}
···
64
65
nop
65
66
66
67
svc_isp:
68
+
clrex
67
69
stmfd sp!, {r0-r12,lr}
68
70
mrs r0, spsr
69
71
mrs r1, sp_usr
···
86
88
nop
87
89
88
90
undefined_handler_isp:
91
+
clrex
89
92
subs lr, lr, #4
90
93
stmfd sp!, {r0-r12,lr}
91
94
mrs r0, spsr
···
108
111
nop
109
112
110
113
data_abort_isp:
114
+
clrex
111
115
subs lr, lr, #8
112
116
stmfd sp!, {r0-r12,lr}
113
117
mrs r0, spsr
···
130
134
nop
131
135
132
136
prefetch_abort_isp:
137
+
clrex
133
138
subs lr, lr, #4
134
139
stmfd sp!, {r0-r12,lr}
135
140
mrs r0, spsr