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/*- * Copyright (C) 2010 Nathan Whitehorn * Copyright (C) 2011 glevand (geoffrey.levand@mail.ru) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD: release/9.1.0/sys/boot/powerpc/ps3/lv1call.S 224857 2011-08-14 00:20:37Z nwhitehorn $ */ /* Hypercall stubs. Note: this is all a hack and should die. */ #define hc .long 0x44000022 #define LD64_IM(r, highest, higher, high, low) \ lis r,highest; \ addi r,r,higher; \ sldi r,r,32; \ addis r,r,high; \ addi r,r,low; #define SIMPLE_HVCALL(x, c) \ .global x; \ x: \ mflr %r0; \ stw %r0,4(%r1); \ clrldi %r3,%r3,32; \ clrldi %r4,%r4,32; \ clrldi %r5,%r5,32; \ clrldi %r6,%r6,32; \ clrldi %r7,%r7,32; \ clrldi %r8,%r8,32; \ clrldi %r9,%r9,32; \ clrldi %r10,%r10,32; \ li %r11,c; \ hc; \ extsw %r3,%r3; \ lwz %r0,4(%r1); \ mtlr %r0; \ blr SIMPLE_HVCALL(lv1_open_device, 170) SIMPLE_HVCALL(lv1_close_device, 171) SIMPLE_HVCALL(lv1_gpu_open, 210) SIMPLE_HVCALL(lv1_gpu_context_attribute, 225) SIMPLE_HVCALL(lv1_panic, 255) SIMPLE_HVCALL(lv1_net_start_tx_dma, 187) SIMPLE_HVCALL(lv1_net_stop_tx_dma, 188) SIMPLE_HVCALL(lv1_net_start_rx_dma, 189) SIMPLE_HVCALL(lv1_net_stop_rx_dma, 190) .global lv1_get_physmem lv1_get_physmem: mflr %r0 stw %r0,4(%r1) stw %r3,-8(%r1) /* Address for maxmem */ li %r11,69 /* Get PU ID */ hc std %r4,-16(%r1) li %r11,74 /* Get LPAR ID */ hc std %r4,-24(%r1) ld %r3,-24(%r1) LD64_IM(%r4,0x0000,0x0000,0x6269,0x0000 /* "bi" */) LD64_IM(%r5,0x7075,0x0000,0x0000,0x0000 /* "pu" */) ld %r6,-16(%r1) LD64_IM(%r7,0x726d,0x5f73,0x697a,0x6500 /* "rm_size" */) li %r11,91 hc extsw %r3,%r3 lwz %r5,-8(%r1) std %r4,0(%r5) lwz %r0,4(%r1) mtlr %r0 blr .global lv1_setup_address_space lv1_setup_address_space: mflr %r0 stw %r0,4(%r1) stw %r3,-4(%r1) stw %r4,-8(%r1) li %r3,18 /* PT size: log2(256 KB) */ li %r4,2 /* Two page sizes */ li %r5,24 /* Page sizes: (24 << 56) | (16 << 48) */ sldi %r5,%r5,24 li %r6,16 sldi %r6,%r6,16 or %r5,%r5,%r6 sldi %r5,%r5,32 li %r11,2 /* lv1_construct_virtual_address_space */ hc lwz %r6,-4(%r1) lwz %r7,-8(%r1) std %r4,0(%r6) std %r5,0(%r7) /* AS_ID in r4 */ mr %r3,%r4 li %r11,7 /* lv1_select_virtual_address_space */ hc extsw %r3,%r3 lwz %r0,4(%r1) mtlr %r0 blr .global lv1_insert_pte lv1_insert_pte: mflr %r0 stw %r0,4(%r1) mr %r11,%r4 /* Save R4 */ clrldi %r3,%r3,32 clrldi %r7,%r5,32 sldi %r4,%r3,3 /* Convert ptegidx into base PTE slot */ li %r3,0 /* Current address space */ ld %r5,0(%r11) ld %r6,8(%r11) li %r8,0 /* No other flags */ li %r11,158 hc extsw %r3,%r3 lwz %r0,4(%r1) mtlr %r0 blr .global lv1_gpu_context_allocate lv1_gpu_context_allocate: mflr %r0 stw %r0,4(%r1) stw %r7,-4(%r1) sldi %r3,%r3,32 clrldi %r4,%r4,32 or %r3,%r3,%r4 clrldi %r4,%r5,32 clrldi %r5,%r6,32 li %r11,217 hc extsw %r3,%r3 lwz %r7,-4(%r1) std %r4,0(%r7) lwz %r0,4(%r1) mtlr %r0 blr .global lv1_gpu_memory_allocate lv1_gpu_memory_allocate: mflr %r0 stw %r0,4(%r1) stw %r8,-4(%r1) stw %r9,-8(%r1) li %r11,214 hc extsw %r3,%r3 lwz %r8,-4(%r1) lwz %r9,-8(%r1) std %r4,0(%r8) std %r5,0(%r9) lwz %r0,4(%r1) mtlr %r0 blr .global lv1_net_control lv1_net_control: mflr %r0 stw %r0,4(%r1) stw %r9,-4(%r1) li %r11,194 hc extsw %r3,%r3 lwz %r8,-4(%r1) std %r4,0(%r8) lwz %r0,4(%r1) mtlr %r0 blr .global lv1_setup_dma lv1_setup_dma: mflr %r0 stw %r0,4(%r1) stw %r3,-4(%r1) stw %r4,-8(%r1) stw %r5,-12(%r1) lwz %r3,-4(%r1) lwz %r4,-8(%r1) lis %r5,0x0800 /* 128 MB */ li %r6,24 /* log2(IO_PAGESIZE) */ li %r7,0 /* flags */ li %r11,174 /* lv1_allocate_device_dma_region */ hc extsw %r3,%r3 cmpdi %r3,0 bne 1f std %r4,-24(%r1) lwz %r3,-4(%r1) lwz %r4,-8(%r1) li %r5,0 ld %r6,-24(%r1) lis %r7,0x0800 /* 128 MB */ lis %r8,0xf800 /* flags */ sldi %r8,%r8,32 li %r11,176 /* lv1_map_device_dma_region */ hc extsw %r3,%r3 lwz %r9,-12(%r1) ld %r6,-24(%r1) std %r6,0(%r9) 1: lwz %r0,4(%r1) mtlr %r0 blr .global lv1_get_repository_node_value lv1_get_repository_node_value: mflr %r0 stw %r0,4(%r1) sldi %r3,%r3,32 clrldi %r4,%r4,32 or %r3,%r3,%r4 sldi %r4,%r5,32 clrldi %r5,%r6,32 or %r4,%r4,%r5 sldi %r5,%r7,32 clrldi %r6,%r8,32 or %r5,%r5,%r6 sldi %r6,%r9,32 clrldi %r7,%r10,32 or %r6,%r6,%r7 lwz %r7,8(%r1) lwz %r8,12(%r1) sldi %r7,%r7,32 or %r7,%r7,%r8 li %r11,91 hc extsw %r3,%r3 lwz %r6,16(%r1) std %r4,0(%r6) lwz %r6,20(%r1) std %r5,0(%r6) lwz %r0,4(%r1) mtlr %r0 blr .global lv1_storage_read lv1_storage_read: mflr %r0 stw %r0,4(%r1) sldi %r3,%r3,32 clrldi %r4,%r4,32 or %r3,%r3,%r4 sldi %r4,%r5,32 clrldi %r5,%r6,32 or %r4,%r4,%r5 sldi %r5,%r7,32 clrldi %r6,%r8,32 or %r5,%r5,%r6 sldi %r6,%r9,32 clrldi %r7,%r10,32 or %r6,%r6,%r7 ld %r7,8(%r1) ld %r8,16(%r1) li %r11,245 hc extsw %r3,%r3 lwz %r5,24(%r1) std %r4,0(%r5) lwz %r0,4(%r1) mtlr %r0 blr .global lv1_storage_check_async_status lv1_storage_check_async_status: mflr %r0 stw %r0,4(%r1) stw %r7,-4(%r1) sldi %r3,%r3,32 clrldi %r4,%r4,32 or %r3,%r3,%r4 sldi %r4,%r5,32 clrldi %r5,%r6,32 or %r4,%r4,%r5 li %r11,254 hc extsw %r3,%r3 lwz %r5,-4(%r1) std %r4,0(%r5) lwz %r0,4(%r1) mtlr %r0 blr