From 72b258e7e809555b03582127a89bc3cb94a0ae01 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sun, 29 Mar 2020 12:07:37 +0200
Subject: x86_64: drop unused functions

* x86_64/locore.S (dr6, dr0, dr1, dr2, dr3): Remove functions.
(dr_msk, dr_addr): Remove variables.
---
 x86_64/locore.S | 122 --------------------------------------------------------
 1 file changed, 122 deletions(-)

diff --git a/x86_64/locore.S b/x86_64/locore.S
index e3246d4e..3a2b3963 100644
--- a/x86_64/locore.S
+++ b/x86_64/locore.S
@@ -1440,128 +1440,6 @@ _inst_fetch_fault:
 
 
 
-ENTRY(dr6)
-#ifdef MACH_XEN
-	pushq	%rbx
-	movq	$6, %rbx
-	call	__hyp_get_debugreg
-	popq	%rbx
-#else /* MACH_XEN */
-	movq	%db6, %rax
-#endif /* MACH_XEN */
-	ret
-
-/*	dr<i>(address, type, len, persistence)
- */
-ENTRY(dr0)
-	movq	S_ARG0, %rax
-	movq	%rax,EXT(dr_addr)
-#ifdef MACH_XEN
-	pushq	%rbx
-	movq	$0,%rbx
-	movq	%rax,%rcx
-	call	__hyp_set_debugreg
-#else /* MACH_XEN */
-	movq	%rax, %db0
-#endif /* MACH_XEN */
-	movq	$0, %rcx
-	jmp	0f
-ENTRY(dr1)
-	movq	S_ARG0, %rax
-	movq	%rax,EXT(dr_addr)+1*4
-#ifdef MACH_XEN
-	pushq	%rbx
-	movq	$1,%rbx
-	movq	%rax,%rcx
-	call	__hyp_set_debugreg
-#else /* MACH_XEN */
-	movq	%rax, %db1
-#endif /* MACH_XEN */
-	movq	$2, %rcx
-	jmp	0f
-ENTRY(dr2)
-	movq	S_ARG0, %rax
-	movq	%rax,EXT(dr_addr)+2*4
-#ifdef MACH_XEN
-	pushq	%rbx
-	movq	$2,%rbx
-	movq	%rax,%rcx
-	call	__hyp_set_debugreg
-#else /* MACH_XEN */
-	movq	%rax, %db2
-#endif /* MACH_XEN */
-	movq	$4, %rcx
-	jmp	0f
-
-ENTRY(dr3)
-	movq	S_ARG0, %rax
-	movq	%rax,EXT(dr_addr)+3*4
-#ifdef MACH_XEN
-	pushq	%rbx
-	movq	$3,%rbx
-	movq	%rax,%rcx
-	call	__hyp_set_debugreg
-#else /* MACH_XEN */
-	movq	%rax, %db3
-#endif /* MACH_XEN */
-	movq	$6, %rcx
-
-0:
-	pushq	%rbp
-	movq	%rsp, %rbp
-
-#ifdef MACH_XEN
-	movq	$7,%rbx
-	call	__hyp_get_debugreg
-	movq	%rax, %rdx
-#else /* MACH_XEN */
-	movq	%db7, %rdx
-#endif /* MACH_XEN */
-	movq	%rdx,EXT(dr_addr)+4*4
-	andq	dr_msk(,%rcx,2),%rdx	/* clear out new entry */
-	movq	%rdx,EXT(dr_addr)+5*4
-	movq	B_ARG3, %rax
-	andb	$3, %al
-	shlq	%cl, %rax
-	orq	%rax, %rdx
-
-	movq	B_ARG1, %rax
-	andb	$3, %al
-	addb	%cl, %cl
-	addb	$0x10, %cl
-	shlq	%cl, %rax
-	orq	%rax, %rdx
-
-	movq	B_ARG2, %rax
-	andb	$3, %al
-	addb	$0x2, %cl
-	shlq	%cl, %rax
-	orq	%rax, %rdx
-
-#ifdef MACH_XEN
-	movq	$7,%rbx
-	movq	%rdx, %rcx
-	call	__hyp_set_debugreg
-	popq	%rbx
-#else /* MACH_XEN */
-	movq	%rdx, %db7
-#endif /* MACH_XEN */
-	movq	%rdx,EXT(dr_addr)+7*4
-	movq	%rdx, %rax
-	leave
-	ret
-
-	.data
-dr_msk:
-	.long	~0x000f0003
-	.long	~0x00f0000c
-	.long	~0x0f000030
-	.long	~0xf00000c0
-ENTRY(dr_addr)
-	.long	0,0,0,0
-	.long	0,0,0,0
-	.text
-
 /*
  * cpu_shutdown()
  * Force reboot
-- 
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