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Diffstat (limited to 'src/thread/mips64/syscall_cp.s')
-rw-r--r--src/thread/mips64/syscall_cp.s52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/thread/mips64/syscall_cp.s b/src/thread/mips64/syscall_cp.s
new file mode 100644
index 00000000..0d4ede76
--- /dev/null
+++ b/src/thread/mips64/syscall_cp.s
@@ -0,0 +1,52 @@
+.set noreorder
+.global __cp_begin
+.hidden __cp_begin
+.type __cp_begin,@function
+.global __cp_end
+.hidden __cp_end
+.type __cp_end,@function
+.global __cp_cancel
+.hidden __cp_cancel
+.type __cp_cancel,@function
+.global __cp_cancel_data
+.hidden __cp_cancel_data
+.type __cp_cancel_data,@function
+.hidden __cancel
+.global __syscall_cp_asm
+.hidden __syscall_cp_asm
+.type __syscall_cp_asm,@function
+__syscall_cp_asm:
+__cp_begin:
+ lw $4, 0($4)
+ bne $4, $0, __cp_cancel
+ move $2, $5
+ move $4, $6
+ move $5, $7
+ move $6, $8
+ move $7, $9
+ move $8, $10
+ move $9, $11
+ ld $10, 0($sp)
+ syscall
+__cp_end:
+ beq $7, $0, 1f
+ nop
+ dsubu $2, $0, $2
+1: jr $ra
+ nop
+
+ # if cancellation flag is 1 then call __cancel
+__cp_cancel:
+ move $2, $ra
+.align 8
+ bal 1f
+ nop
+__cp_cancel_data:
+ .gpdword __cp_cancel_data
+ .gpdword __cancel
+1: ld $3, ($ra)
+ dsubu $3, $ra, $3
+ ld $25, 8($ra)
+ daddu $25, $25, $3
+ jr $25
+ move $ra, $2