patch-2.4.25 linux-2.4.25/arch/ppc64/kernel/pSeries_hvCall.S

• Lines: 105
• Date: 2004-02-18 05:36:30.000000000 -0800
• Orig file: linux-2.4.24/arch/ppc64/kernel/pSeries_hvCall.S
• Orig date: 2002-08-02 17:39:43.000000000 -0700

diff -urN linux-2.4.24/arch/ppc64/kernel/pSeries_hvCall.S linux-2.4.25/arch/ppc64/kernel/pSeries_hvCall.S
@@ -23,7 +23,7 @@
 /*
  * hcall interface to pSeries LPAR
  */
-#define HSC .long 0x44000022
+#define HVSC	.long 0x44000022
 
 /* long plpar_hcall(unsigned long opcode,	 R3 
 		 unsigned long arg1,		 R4 
@@ -45,7 +45,7 @@
         std     r9,-16(r1)
         std     r10,-24(r1)
 	
-	HSC                     /* invoke the hypervisor */
+	HVSC                    /* invoke the hypervisor */
 
         ld      r10,-8(r1)      /* Fetch r4-r7 ret args. */
         std     r4,0(r10)
@@ -60,11 +60,85 @@
 	blr                     /* return r3 = status */
 
 
+/* long plpar_hcall_4out(unsigned long opcode,	 R3
+		 unsigned long arg1,		 R4
+		 unsigned long arg2,		 R5
+		 unsigned long arg3,		 R6
+		 unsigned long arg4,		 R7
+		 unsigned long *out1,	(r4)	 R8
+		 unsigned long *out2,	(r5)	 R9
+		 unsigned long *out3,   (r6)     R10
+		 unsigned long *out4);	(r7)	 112(R1). From Parameter save area. 
+ */
+_GLOBAL(plpar_hcall_4out)
+	mfcr	r0
+	std	r0,-8(r1)
+	ld      r14,112(r1)
+	stdu	r1,-48(r1)
+
+	std     r8,32(r1)       /* Save out ptrs. */
+	std     r9,24(r1)
+	std     r10,16(r1)
+	std     r14,8(r1)
+
+	HVSC                    /* invoke the hypervisor */
+
+	ld      r14,32(r1)      /* Fetch r4-r7 ret args. */
+	std     r4,0(r14)
+	ld      r14,24(r1)
+	std     r5,0(r14)
+	ld      r14,16(r1)
+	std     r6,0(r14)
+	ld      r14,8(r1)
+	std     r7,0(r14)
+
+	ld	r1,0(r1) 
+	ld	r0,-8(r1)
+	mtcrf	0xff,r0
+	blr                     /* return r3 = status */
+
+
 /* Simple interface with no output values (other than status) */
 _GLOBAL(plpar_hcall_norets)
 	mfcr	r0
 	std	r0,-8(r1)
-	HSC                     /* invoke the hypervisor */
+	HVSC                    /* invoke the hypervisor */
+	ld	r0,-8(r1)
+	mtcrf	0xff,r0
+	blr                     /* return r3 = status */
+
+
+/* long plpar_hcall_8arg_2ret(unsigned long opcode,		 R3
+				unsigned long arg1,		 R4
+				unsigned long arg2,		 R5
+				unsigned long arg3,		 R6
+				unsigned long arg4,		 R7
+				unsigned long arg5,		 R8
+				unsigned long arg6,		 R9
+				unsigned long arg7,		 R10
+				unsigned long arg8,		 112(R1)
+				unsigned long *out1);		 120(R1)
+
+ */
+
+	.text
+_GLOBAL(plpar_hcall_8arg_2ret)
+	mfcr	r0
+
+	ld	r11, 112(r1) /* put arg8 and out1 in R11 and R12 */
+	ld	r12, 120(r1)
+
+	std	r0,-8(r1)
+	stdu	r1,-32(r1)
+
+	std	r12,-8(r1)      /* Save out ptr */
+
+	HVSC                     /* invoke the hypervisor */
+
+	ld	r10,-8(r1)      /* Fetch r4 ret arg */
+	std	r4,0(r10)
+
+	ld	r1,0(r1)
 	ld	r0,-8(r1)
 	mtcrf	0xff,r0
 	blr                     /* return r3 = status */