From 8677a23d5b053d550f70246de9c7dc8fd4e2fbf9 Mon Sep 17 00:00:00 2001 From: Stefan Reinauer Date: Sat, 11 Dec 2010 20:33:41 +0000 Subject: After this has been brought up many times before, rename src/arch/i386 to src/arch/x86. Signed-off-by: Stefan Reinauer Acked-by: Patrick Georgi git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6161 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/arch/i386/boot/acpigen.c | 517 ------------------------------------------- 1 file changed, 517 deletions(-) delete mode 100644 src/arch/i386/boot/acpigen.c (limited to 'src/arch/i386/boot/acpigen.c') diff --git a/src/arch/i386/boot/acpigen.c b/src/arch/i386/boot/acpigen.c deleted file mode 100644 index e8cd724e23..0000000000 --- a/src/arch/i386/boot/acpigen.c +++ /dev/null @@ -1,517 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2009 Rudolf Marek - * - * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/* how many nesting we support */ -#define ACPIGEN_LENSTACK_SIZE 10 - -/* if you need to change this, change the acpigen_write_f and - acpigen_patch_len */ - -#define ACPIGEN_MAXLEN 0xfff - -#include -#include -#include -#include - -static char *gencurrent; - -char *len_stack[ACPIGEN_LENSTACK_SIZE]; -int ltop = 0; - -static int acpigen_write_len_f(void) -{ - ASSERT(ltop < (ACPIGEN_LENSTACK_SIZE - 1)) - len_stack[ltop++] = gencurrent; - acpigen_emit_byte(0); - acpigen_emit_byte(0); - return 2; -} - -void acpigen_patch_len(int len) -{ - ASSERT(len <= ACPIGEN_MAXLEN) - ASSERT(ltop > 0) - char *p = len_stack[--ltop]; - /* generate store length for 0xfff max */ - p[0] = (0x40 | (len & 0xf)); - p[1] = (len >> 4 & 0xff); - -} - -void acpigen_set_current(char *curr) -{ - gencurrent = curr; -} - -char *acpigen_get_current(void) -{ - return gencurrent; -} - -int acpigen_emit_byte(unsigned char b) -{ - (*gencurrent++) = b; - return 1; -} - -int acpigen_write_package(int nr_el) -{ - int len; - /* package op */ - acpigen_emit_byte(0x12); - len = acpigen_write_len_f(); - acpigen_emit_byte(nr_el); - return len + 2; -} - -int acpigen_write_byte(unsigned int data) -{ - /* byte op */ - acpigen_emit_byte(0xa); - acpigen_emit_byte(data & 0xff); - return 2; -} - -int acpigen_write_dword(unsigned int data) -{ - /* dword op */ - acpigen_emit_byte(0xc); - acpigen_emit_byte(data & 0xff); - acpigen_emit_byte((data >> 8) & 0xff); - acpigen_emit_byte((data >> 16) & 0xff); - acpigen_emit_byte((data >> 24) & 0xff); - return 5; -} - -int acpigen_write_qword(uint64_t data) -{ - /* qword op */ - acpigen_emit_byte(0xe); - acpigen_emit_byte(data & 0xff); - acpigen_emit_byte((data >> 8) & 0xff); - acpigen_emit_byte((data >> 16) & 0xff); - acpigen_emit_byte((data >> 24) & 0xff); - acpigen_emit_byte((data >> 32) & 0xff); - acpigen_emit_byte((data >> 40) & 0xff); - acpigen_emit_byte((data >> 48) & 0xff); - acpigen_emit_byte((data >> 56) & 0xff); - return 9; -} - -int acpigen_write_name_byte(const char *name, uint8_t val) -{ - int len; - len = acpigen_write_name(name); - len += acpigen_write_byte(val); - return len; -} - -int acpigen_write_name_dword(const char *name, uint32_t val) -{ - int len; - len = acpigen_write_name(name); - len += acpigen_write_dword(val); - return len; -} - -int acpigen_write_name_qword(const char *name, uint64_t val) -{ - int len; - len = acpigen_write_name(name); - len += acpigen_write_qword(val); - return len; -} - -int acpigen_emit_stream(const char *data, int size) -{ - int i; - for (i = 0; i < size; i++) { - acpigen_emit_byte(data[i]); - } - return size; -} - -/* The NameString are bit tricky, each element can be 4 chars, if - less its padded with underscore. Check 18.2.2 and 18.4 - and 5.3 of ACPI specs 3.0 for details -*/ - -static int acpigen_emit_simple_namestring(const char *name) { - int i, len = 0; - char ud[] = "____"; - for (i = 0; i < 4; i++) { - if ((name[i] == '\0') || (name[i] == '.')) { - len += acpigen_emit_stream(ud, 4 - i); - break; - } else { - len += acpigen_emit_byte(name[i]); - } - } - return len; -} - -static int acpigen_emit_double_namestring(const char *name, int dotpos) { - int len = 0; - /* mark dual name prefix */ - len += acpigen_emit_byte(0x2e); - len += acpigen_emit_simple_namestring(name); - len += acpigen_emit_simple_namestring(&name[dotpos + 1]); - return len; -} - -static int acpigen_emit_multi_namestring(const char *name) { - int len = 0, count = 0; - unsigned char *pathlen; - /* mark multi name prefix */ - len += acpigen_emit_byte(0x2f); - len += acpigen_emit_byte(0x0); - pathlen = ((unsigned char *) acpigen_get_current()) - 1; - - while (name[0] != '\0') { - len += acpigen_emit_simple_namestring(name); - /* find end or next entity */ - while ((name[0] != '.') && (name[0] != '\0')) - name++; - /* forward to next */ - if (name[0] == '.') - name++; - count++; - } - - pathlen[0] = count; - return len; -} - - -int acpigen_emit_namestring(const char *namepath) { - int dotcount = 0, i; - int dotpos = 0; - int len = 0; - - /* we can start with a \ */ - if (namepath[0] == '\\') { - len += acpigen_emit_byte('\\'); - namepath++; - } - - /* and there can be any number of ^ */ - while (namepath[0] == '^') { - len += acpigen_emit_byte('^'); - namepath++; - } - - ASSERT(namepath[0] != '\0'); - - i = 0; - while (namepath[i] != '\0') { - if (namepath[i] == '.') { - dotcount++; - dotpos = i; - } - i++; - } - - if (dotcount == 0) { - len += acpigen_emit_simple_namestring(namepath); - } else if (dotcount == 1) { - len += acpigen_emit_double_namestring(namepath, dotpos); - } else { - len += acpigen_emit_multi_namestring(namepath); - } - return len; -} - -int acpigen_write_name(const char *name) -{ - int len; - /* name op */ - len = acpigen_emit_byte(0x8); - return len + acpigen_emit_namestring(name); -} - -int acpigen_write_scope(const char *name) -{ - int len; - /* scope op */ - len = acpigen_emit_byte(0x10); - len += acpigen_write_len_f(); - return len + acpigen_emit_namestring(name); -} - -int acpigen_write_processor(u8 cpuindex, u32 pblock_addr, u8 pblock_len) -{ -/* - Processor (\_PR.CPUcpuindex, cpuindex, pblock_addr, pblock_len) - { -*/ - char pscope[16]; - int len; - /* processor op */ - acpigen_emit_byte(0x5b); - acpigen_emit_byte(0x83); - len = acpigen_write_len_f(); - - sprintf(pscope, "\\_PR.CPU%x", (unsigned int) cpuindex); - len += acpigen_emit_namestring(pscope); - acpigen_emit_byte(cpuindex); - acpigen_emit_byte(pblock_addr & 0xff); - acpigen_emit_byte((pblock_addr >> 8) & 0xff); - acpigen_emit_byte((pblock_addr >> 16) & 0xff); - acpigen_emit_byte((pblock_addr >> 24) & 0xff); - acpigen_emit_byte(pblock_len); - return 6 + 2 + len; -} - -int acpigen_write_empty_PCT(void) -{ -/* - Name (_PCT, Package (0x02) - { - ResourceTemplate () - { - Register (FFixedHW, - 0x00, // Bit Width - 0x00, // Bit Offset - 0x0000000000000000, // Address - ,) - }, - - ResourceTemplate () - { - Register (FFixedHW, - 0x00, // Bit Width - 0x00, // Bit Offset - 0x0000000000000000, // Address - ,) - } - }) -*/ - static char stream[] = { - 0x08, 0x5F, 0x50, 0x43, 0x54, 0x12, 0x2C, /* 00000030 "0._PCT.," */ - 0x02, 0x11, 0x14, 0x0A, 0x11, 0x82, 0x0C, 0x00, /* 00000038 "........" */ - 0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 00000040 "........" */ - 0x00, 0x00, 0x00, 0x00, 0x79, 0x00, 0x11, 0x14, /* 00000048 "....y..." */ - 0x0A, 0x11, 0x82, 0x0C, 0x00, 0x7F, 0x00, 0x00, /* 00000050 "........" */ - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 00000058 "........" */ - 0x00, 0x79, 0x00 - }; - return acpigen_emit_stream(stream, ARRAY_SIZE(stream)); -} - -/* generates a func with max supported P states */ -int acpigen_write_PPC(u8 nr) -{ -/* - Method (_PPC, 0, NotSerialized) - { - Return (nr) - } -*/ - int len; - /* method op */ - acpigen_emit_byte(0x14); - len = acpigen_write_len_f(); - len += acpigen_emit_namestring("_PPC"); - /* no fnarg */ - acpigen_emit_byte(0x00); - /* return */ - acpigen_emit_byte(0xa4); - /* arg */ - len += acpigen_write_byte(nr); - /* add all single bytes */ - len += 3; - acpigen_patch_len(len - 1); - return len; -} - -int acpigen_write_PSS_package(u32 coreFreq, u32 power, u32 transLat, - u32 busmLat, u32 control, u32 status) -{ - int len; - len = acpigen_write_package(6); - len += acpigen_write_dword(coreFreq); - len += acpigen_write_dword(power); - len += acpigen_write_dword(transLat); - len += acpigen_write_dword(busmLat); - len += acpigen_write_dword(control); - len += acpigen_write_dword(status); - //pkglen without the len opcode - acpigen_patch_len(len - 1); - return len; -} - -int acpigen_write_PSD_package(u32 domain, u32 numprocs, PSD_coord coordtype) -{ - int len, lenh, lenp; - lenh = acpigen_write_name("_PSD"); - lenp = acpigen_write_package(1); - len = acpigen_write_package(5); - len += acpigen_write_byte(5); // 5 values - len += acpigen_write_byte(0); // revision 0 - len += acpigen_write_dword(domain); - len += acpigen_write_dword(coordtype); - len += acpigen_write_dword(numprocs); - acpigen_patch_len(len - 1); - len += lenp; - acpigen_patch_len(len - 1); - return len + lenh; -} - -int acpigen_write_mem32fixed(int readwrite, u32 base, u32 size) -{ - /* - * acpi 4.0 section 6.4.3.4: 32-Bit Fixed Memory Range Descriptor - * Byte 0: - * Bit7 : 1 => big item - * Bit6-0: 0000110 (0x6) => 32-bit fixed memory - */ - acpigen_emit_byte(0x86); - /* Byte 1+2: length (0x0009) */ - acpigen_emit_byte(0x09); - acpigen_emit_byte(0x00); - /* bit1-7 are ignored */ - acpigen_emit_byte(readwrite ? 0x01 : 0x00); - acpigen_emit_byte(base & 0xff); - acpigen_emit_byte((base >> 8) & 0xff); - acpigen_emit_byte((base >> 16) & 0xff); - acpigen_emit_byte((base >> 24) & 0xff); - acpigen_emit_byte(size & 0xff); - acpigen_emit_byte((size >> 8) & 0xff); - acpigen_emit_byte((size >> 16) & 0xff); - acpigen_emit_byte((size >> 24) & 0xff); - return 12; -} - -int acpigen_write_io16(u16 min, u16 max, u8 align, u8 len, u8 decode16) -{ - /* - * acpi 4.0 section 6.4.2.6: I/O Port Descriptor - * Byte 0: - * Bit7 : 0 => small item - * Bit6-3: 1000 (0x8) => I/O port descriptor - * Bit2-0: 111 (0x7) => 7 Bytes long - */ - acpigen_emit_byte(0x47); - /* does the device decode all 16 or just 10 bits? */ - /* bit1-7 are ignored */ - acpigen_emit_byte(decode16 ? 0x01 : 0x00); - /* minimum base address the device may be configured for */ - acpigen_emit_byte(min & 0xff); - acpigen_emit_byte((min >> 8) & 0xff); - /* maximum base address the device may be configured for */ - acpigen_emit_byte(max & 0xff); - acpigen_emit_byte((max >> 8) & 0xff); - /* alignment for min base */ - acpigen_emit_byte(align & 0xff); - acpigen_emit_byte(len & 0xff); - return 8; -} - -int acpigen_write_resourcetemplate_header(void) -{ - int len; - /* - * A ResourceTemplate() is a Buffer() with a - * (Byte|Word|DWord) containing the length, followed by one or more - * resource items, terminated by the end tag - * (small item 0xf, len 1) - */ - len = acpigen_emit_byte(0x11); /* Buffer opcode */ - len += acpigen_write_len_f(); - len += acpigen_emit_byte(0x0b); /* Word opcode */ - len_stack[ltop++] = acpigen_get_current(); - len += acpigen_emit_byte(0x00); - len += acpigen_emit_byte(0x00); - return len; -} - -int acpigen_write_resourcetemplate_footer(int len) -{ - char *p = len_stack[--ltop]; - /* - * end tag (acpi 4.0 Section 6.4.2.8) - * 0x79 - * 0x00 is treated as a good checksum according to the spec - * and is what iasl generates. - */ - len += acpigen_emit_byte(0x79); - len += acpigen_emit_byte(0x00); - /* patch len word */ - p[0] = (len-6) & 0xff; - p[1] = ((len-6) >> 8) & 0xff; - /* patch len field */ - acpigen_patch_len(len-1); - return 2; -} - -static void acpigen_add_mainboard_rsvd_mem32(void *gp, struct device *dev, - struct resource *res) -{ - acpigen_write_mem32fixed(0, res->base, res->size); -} - -static void acpigen_add_mainboard_rsvd_io(void *gp, struct device *dev, - struct resource *res) -{ - resource_t base = res->base; - resource_t size = res->size; - while (size > 0) { - resource_t sz = size > 255 ? 255 : size; - acpigen_write_io16(base, base, 0, sz, 1); - size -= sz; - base += sz; - } -} - -int acpigen_write_mainboard_resource_template(void) -{ - int len; - char *start; - char *end; - len = acpigen_write_resourcetemplate_header(); - start = acpigen_get_current(); - - /* Add reserved memory ranges */ - search_global_resources( - IORESOURCE_MEM | IORESOURCE_RESERVE, - IORESOURCE_MEM | IORESOURCE_RESERVE, - acpigen_add_mainboard_rsvd_mem32, 0); - - /* Add reserved io ranges */ - search_global_resources( - IORESOURCE_IO | IORESOURCE_RESERVE, - IORESOURCE_IO | IORESOURCE_RESERVE, - acpigen_add_mainboard_rsvd_io, 0); - - end = acpigen_get_current(); - len += end-start; - len += acpigen_write_resourcetemplate_footer(len); - return len; -} - -int acpigen_write_mainboard_resources(const char *scope, const char *name) -{ - int len; - len = acpigen_write_scope(scope); - len += acpigen_write_name(name); - len += acpigen_write_mainboard_resource_template(); - acpigen_patch_len(len - 1); - return len; -} -- cgit v1.2.3