diff options
Diffstat (limited to 'util/x86emu/yabel/compat')
-rw-r--r-- | util/x86emu/yabel/compat/Config.lb | 1 | ||||
-rw-r--r-- | util/x86emu/yabel/compat/functions.c | 96 | ||||
-rw-r--r-- | util/x86emu/yabel/compat/of.h | 55 | ||||
-rw-r--r-- | util/x86emu/yabel/compat/rtas.h | 45 | ||||
-rw-r--r-- | util/x86emu/yabel/compat/time.h | 17 |
5 files changed, 214 insertions, 0 deletions
diff --git a/util/x86emu/yabel/compat/Config.lb b/util/x86emu/yabel/compat/Config.lb new file mode 100644 index 0000000000..919526d16b --- /dev/null +++ b/util/x86emu/yabel/compat/Config.lb @@ -0,0 +1 @@ +object functions.o diff --git a/util/x86emu/yabel/compat/functions.c b/util/x86emu/yabel/compat/functions.c new file mode 100644 index 0000000000..3b3d223b71 --- /dev/null +++ b/util/x86emu/yabel/compat/functions.c @@ -0,0 +1,96 @@ +/**************************************************************************** + * YABEL BIOS Emulator + * + * This program and the accompanying materials + * are made available under the terms of the BSD License + * which accompanies this distribution, and is available at + * http://www.opensource.org/licenses/bsd-license.php + * + * Copyright (c) 2008 Pattrick Hueper <phueper@hueper.net> + ****************************************************************************/ + +/* this file contains functions provided by SLOF, that the current biosemu implementation needs + * they should go away inthe future... + */ + +#include <types.h> +#ifndef CONFIG_COREBOOT_V2 +#include <config.h> +#endif +#include <device/device.h> + +#define VMEM_SIZE 1024 *1024 /* 1 MB */ + +#ifdef CONFIG_YABEL_VIRTMEM_LOCATION +u8* vmem = (u8 *) CONFIG_YABEL_VIRTMEM_LOCATION; +#else +u8* vmem = (u8 *) (16*1024*1024); /* default to 16MB */ +#endif + +u32 biosemu(u8 *biosmem, u32 biosmem_size, struct device *dev, + unsigned long rom_addr); + +void run_bios(struct device * dev, unsigned long addr) +{ + biosemu(vmem, VMEM_SIZE, dev, addr); +} + +u64 get_time(void) +{ + u64 act; + u32 eax, edx; + + __asm__ __volatile__( + "rdtsc" + : "=a"(eax), "=d"(edx) + : /* no inputs, no clobber */); + act = ((u64) edx << 32) | eax; + return act; +} + +unsigned int +read_io(void *addr, size_t sz) +{ + unsigned int ret; + /* since we are using inb instructions, we need the port number as 16bit value */ + u16 port = (u16)(u32) addr; + + switch (sz) { + case 1: + asm volatile ("inb %1, %b0" : "=a"(ret) : "d" (port)); + break; + case 2: + asm volatile ("inw %1, %w0" : "=a"(ret) : "d" (port)); + break; + case 4: + asm volatile ("inl %1, %0" : "=a"(ret) : "d" (port)); + break; + default: + ret = 0; + } + + return ret; +} + +int +write_io(void *addr, unsigned int value, size_t sz) +{ + u16 port = (u16)(u32) addr; + switch (sz) { + /* since we are using inb instructions, we need the port number as 16bit value */ + case 1: + asm volatile ("outb %b0, %1" : : "a"(value), "d" (port)); + break; + case 2: + asm volatile ("outw %w0, %1" : : "a"(value), "d" (port)); + break; + case 4: + asm volatile ("outl %0, %1" : : "a"(value), "d" (port)); + break; + default: + return -1; + } + + return 0; +} + diff --git a/util/x86emu/yabel/compat/of.h b/util/x86emu/yabel/compat/of.h new file mode 100644 index 0000000000..907139951f --- /dev/null +++ b/util/x86emu/yabel/compat/of.h @@ -0,0 +1,55 @@ +/****************************************************************************** + * Copyright (c) 2004, 2008 IBM Corporation + * All rights reserved. + * This program and the accompanying materials + * are made available under the terms of the BSD License + * which accompanies this distribution, and is available at + * http://www.opensource.org/licenses/bsd-license.php + * + * Contributors: + * IBM Corporation - initial implementation + *****************************************************************************/ + + +#ifndef OF_H +#define OF_H +#define p32 int +#define p32cast (int) (unsigned long) (void*) + +#define phandle_t p32 +#define ihandle_t p32 + +typedef struct +{ + unsigned int serv; + int nargs; + int nrets; + unsigned int args[16]; +} of_arg_t; + + +phandle_t of_finddevice (const char *); +phandle_t of_peer (phandle_t); +phandle_t of_child (phandle_t); +phandle_t of_parent (phandle_t); +int of_getprop (phandle_t, const char *, void *, int); +void * of_call_method_3 (const char *, ihandle_t, int); + + +ihandle_t of_open (const char *); +void of_close(ihandle_t); +int of_read (ihandle_t , void*, int); +int of_write (ihandle_t, void*, int); +int of_seek (ihandle_t, int, int); + +void * of_claim(void *, unsigned int , unsigned int ); +void of_release(void *, unsigned int ); + +int of_yield(void); +void * of_set_callback(void *); + +int vpd_read(unsigned int , unsigned int , char *); +int vpd_write(unsigned int , unsigned int , char *); +int write_mm_log(char *, unsigned int , unsigned short ); + +#endif diff --git a/util/x86emu/yabel/compat/rtas.h b/util/x86emu/yabel/compat/rtas.h new file mode 100644 index 0000000000..25cabf4d6a --- /dev/null +++ b/util/x86emu/yabel/compat/rtas.h @@ -0,0 +1,45 @@ +/****************************************************************************** + * Copyright (c) 2004, 2008 IBM Corporation + * All rights reserved. + * This program and the accompanying materials + * are made available under the terms of the BSD License + * which accompanies this distribution, and is available at + * http://www.opensource.org/licenses/bsd-license.php + * + * Contributors: + * IBM Corporation - initial implementation + *****************************************************************************/ + + +#ifndef RTAS_H +#define RTAS_H + +#include "of.h" + +typedef struct dtime { + unsigned int year; + unsigned int month; + unsigned int day; + unsigned int hour; + unsigned int minute; + unsigned int second; + unsigned int nano; +} dtime; + +typedef void (*thread_t) (int); + +int rtas_token(const char *); +int rtas_call(int, int, int, int *, ...); +void rtas_init(void); +int rtas_pci_config_read (long long, int, int, int, int); +int rtas_pci_config_write (long long, int, int, int, int, int); +int rtas_set_time_of_day(dtime *); +int rtas_get_time_of_day(dtime *); +int rtas_ibm_update_flash_64(long long, long long); +int rtas_ibm_update_flash_64_and_reboot(long long, long long); +int rtas_system_reboot(void); +int rtas_start_cpu (int, thread_t, int); +int rtas_stop_self (void); +int rtas_ibm_manage_flash(int); + +#endif diff --git a/util/x86emu/yabel/compat/time.h b/util/x86emu/yabel/compat/time.h new file mode 100644 index 0000000000..c8432eca43 --- /dev/null +++ b/util/x86emu/yabel/compat/time.h @@ -0,0 +1,17 @@ +/**************************************************************************** + * YABEL BIOS Emulator + * + * This program and the accompanying materials + * are made available under the terms of the BSD License + * which accompanies this distribution, and is available at + * http://www.opensource.org/licenses/bsd-license.php + * + * Copyright (c) 2008 Pattrick Hueper <phueper@hueper.net> + ****************************************************************************/ + +#ifndef _BIOSEMU_COMPAT_TIME_H +#define _BIOSEMU_COMPAT_TIME_H + +/* TODO: check how this works in x86 */ +static unsigned long tb_freq = 0; +#endif |