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authorRich Felker <dalias@aerifal.cx>2016-04-18 05:19:13 +0000
committerRich Felker <dalias@aerifal.cx>2016-04-18 05:19:13 +0000
commit5972c4a4113e2a4de5edf519faf15296ae1eb3ed (patch)
tree6e808f23bb96a9b8a82eb505e2a719f4f42a758d /src/thread/mipsn32/syscall_cp.s
parent6d99ad91e869aab35a4d76d34c3c9eaf29482bad (diff)
downloadmusl-5972c4a4113e2a4de5edf519faf15296ae1eb3ed.tar.gz
add mips n32 port (ILP32 ABI for mips64)
based on patch submitted by Jaydeep Patil, with minor changes.
Diffstat (limited to 'src/thread/mipsn32/syscall_cp.s')
-rw-r--r--src/thread/mipsn32/syscall_cp.s51
1 files changed, 51 insertions, 0 deletions
diff --git a/src/thread/mipsn32/syscall_cp.s b/src/thread/mipsn32/syscall_cp.s
new file mode 100644
index 00000000..e85615bc
--- /dev/null
+++ b/src/thread/mipsn32/syscall_cp.s
@@ -0,0 +1,51 @@
+.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
+ lw $10, 0($sp)
+ syscall
+__cp_end:
+ beq $7, $0, 1f
+ nop
+ subu $2, $0, $2
+1: jr $ra
+ nop
+
+ # if cancellation flag is 1 then call __cancel
+__cp_cancel:
+ move $2, $ra
+ bal 1f
+ nop
+__cp_cancel_data:
+ .gpword __cp_cancel_data
+ .gpword __cancel
+1: lw $3, 0($ra)
+ subu $3, $ra, $3
+ lw $25, 4($ra)
+ addu $25, $25, $3
+ jr $25
+ move $ra, $2