1 files changed, 184 insertions, 0 deletions

diff --git a/arch/powerpc/boot/ps3-hvcall.S b/arch/powerpc/boot/ps3-hvcall.S
new file mode 100644
index 000000000000..c8b7df3210d1
--- /dev/null
+++ b/arch/powerpc/boot/ps3-hvcall.S
@@ -0,0 +1,184 @@
+/*
+ *  PS3 bootwrapper hvcalls.
+ *
+ *  Copyright (C) 2007 Sony Computer Entertainment Inc.
+ *  Copyright 2007 Sony Corp.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; version 2 of the License.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "ppc_asm.h"
+
+/*
+ * The PS3 hypervisor uses a 64 bit "C" language calling convention.
+ * The routines here marshal arguments between the 32 bit wrapper
+ * program and the 64 bit hvcalls.
+ *
+ *  wrapper           lv1
+ *  32-bit (h,l)      64-bit
+ *
+ *  1: r3,r4          <-> r3
+ *  2: r5,r6          <-> r4
+ *  3: r7,r8          <-> r5
+ *  4: r9,r10         <-> r6
+ *  5: 8(r1),12(r1)   <-> r7
+ *  6: 16(r1),20(r1)  <-> r8
+ *  7: 24(r1),28(r1)  <-> r9
+ *  8: 32(r1),36(r1)  <-> r10
+ *
+ */
+
+.macro GLOBAL name
+        .section ".text"
+        .balign 4
+        .globl \name
+\name:
+.endm
+
+.macro NO_SUPPORT name
+        GLOBAL \name
+        b ps3_no_support
+.endm
+
+.macro HVCALL num
+        li r11, \num
+        .long 0x44000022
+        extsw r3, r3
+.endm
+
+.macro SAVE_LR offset=4
+        mflr r0
+        stw r0, \offset(r1)
+.endm
+
+.macro LOAD_LR offset=4
+        lwz r0, \offset(r1)
+        mtlr r0
+.endm
+
+.macro LOAD_64_REG target,high,low
+        sldi r11, \high, 32
+        or \target, r11, \low
+.endm
+
+.macro LOAD_64_STACK target,offset
+        ld \target, \offset(r1)
+.endm
+
+.macro LOAD_R3
+        LOAD_64_REG r3,r3,r4
+.endm
+
+.macro LOAD_R4
+        LOAD_64_REG r4,r5,r6
+.endm
+
+.macro LOAD_R5
+        LOAD_64_REG r5,r7,r8
+.endm
+
+.macro LOAD_R6
+        LOAD_64_REG r6,r9,r10
+.endm
+
+.macro LOAD_R7
+        LOAD_64_STACK r7,8
+.endm
+
+.macro LOAD_R8
+        LOAD_64_STACK r8,16
+.endm
+
+.macro LOAD_R9
+        LOAD_64_STACK r9,24
+.endm
+
+.macro LOAD_R10
+        LOAD_64_STACK r10,32
+.endm
+
+.macro LOAD_REGS_0
+        stwu 1,-16(1)
+        stw 3, 8(1)
+.endm
+
+.macro LOAD_REGS_5
+        LOAD_R3
+        LOAD_R4
+        LOAD_R5
+        LOAD_R6
+        LOAD_R7
+.endm
+
+.macro LOAD_REGS_6
+        LOAD_REGS_5
+        LOAD_R8
+.endm
+
+.macro LOAD_REGS_8
+        LOAD_REGS_6
+        LOAD_R9
+        LOAD_R10
+.endm
+
+.macro STORE_REGS_0_1
+        lwz r11, 8(r1)
+        std r4, 0(r11)
+        mr r4, r3
+        li r3, 0
+        addi r1,r1,16
+.endm
+
+.macro STORE_REGS_5_2
+        lwz r11, 16(r1)
+        std r4, 0(r11)
+        lwz r11, 24(r1)
+        std r5, 0(r11)
+.endm
+
+.macro STORE_REGS_6_1
+        lwz r11, 24(r1)
+        std r4, 0(r11)
+.endm
+
+GLOBAL lv1_get_logical_ppe_id
+        SAVE_LR
+        LOAD_REGS_0
+        HVCALL 69
+        STORE_REGS_0_1
+        LOAD_LR
+        blr
+
+GLOBAL lv1_get_logical_partition_id
+        SAVE_LR
+        LOAD_REGS_0
+        HVCALL 74
+        STORE_REGS_0_1
+        LOAD_LR
+        blr
+
+GLOBAL lv1_get_repository_node_value
+        SAVE_LR
+        LOAD_REGS_5
+        HVCALL 91
+        STORE_REGS_5_2
+        LOAD_LR
+        blr
+
+GLOBAL lv1_panic
+        SAVE_LR
+        LOAD_REGS_8
+        HVCALL 255
+        LOAD_LR
+        blr