[fusl] Remove code for unsupported architectures

fusl/src/thread/powerpc/syscall_cp.s

Index: fusl/src/thread/powerpc/syscall_cp.s
diff --git a/fusl/src/thread/powerpc/syscall_cp.s b/fusl/src/thread/powerpc/syscall_cp.s
deleted file mode 100644
index 77f8938dc8b7cbf3ad8ad9c283d0231e86c90b02..0000000000000000000000000000000000000000
--- a/fusl/src/thread/powerpc/syscall_cp.s
+++ /dev/null
@@ -1,59 +0,0 @@
-.global __cp_begin
-.hidden __cp_begin
-.global __cp_end
-.hidden __cp_end
-.global __cp_cancel
-.hidden __cp_cancel
-.hidden __cancel
-.global __syscall_cp_asm
-.hidden __syscall_cp_asm
-
-#r0: volatile. may be modified during linkage.
-#r1: stack frame: 16 byte alignment.
-#r2: tls/thread pointer on pp32
-#r3,r4: return values, first args
-#r5-r10: args
-#r11-r12: volatile. may be modified during linkage
-#r13: "small data area" pointer
-#r14 - r30: local vars
-#r31: local or environment pointer
-
-#r1, r14-31: belong to the caller, must be saved and restored
-#r0, r3-r12, ctr, xer: volatile, not preserved
-#r0,r11,r12: may be altered by cross-module call, 
-#"a func cannot depend on that these regs have the values placed by the caller"
-
-#the fields CR2,CR2,CR4 of the cond reg must be preserved
-#LR (link reg) shall contain the funcs return address
-	.text
-	.type   __syscall_cp_asm,%function
-__syscall_cp_asm:
-	# at enter: r3 = pointer to self->cancel, r4: syscall no, r5: first arg, r6: 2nd, r7: 3rd, r8: 4th, r9: 5th, r10: 6th
-__cp_begin:
-	# r3 holds first argument, its a pointer to self->cancel. 
-	# we must compare the dereferenced value with 0 and jump to __cancel if its not
-	
-	lwz 0, 0(3) #deref pointer into r0
-	
-	cmpwi cr7, 0, 0 #compare r0 with 0, store result in cr7. 
-	beq+ cr7, 1f #jump to label 1 if r0 was 0
-	
-	b __cp_cancel #else call cancel
-1:
-	#ok, the cancel flag was not set
-	# syscall: number goes to r0, the rest 3-8
-	mr      0, 4                  # put the system call number into r0
-	mr      3, 5                  # Shift the arguments: arg1
-	mr      4, 6                  # arg2
-	mr      5, 7                  # arg3
-	mr      6, 8                  # arg4
-	mr      7, 9                  # arg5
-	mr      8, 10                  # arg6
-	sc
-__cp_end:
-	bnslr+ # return if no summary overflow. 
-	#else negate result.
-	neg 3, 3
-	blr
-__cp_cancel:
-	b __cancel