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Regard whitespace Rev 4342 → Rev 4343

/branches/dynload/kernel/arch/mips32/_link.ld.in
5,11 → 5,13
* kernel data
*
*/
 
#undef mips
#define mips mips
 
#define KERNEL_LOAD_ADDRESS 0x80100000
 
OUTPUT_ARCH(mips)
 
ENTRY(kernel_image_start)
 
SECTIONS {
/branches/dynload/kernel/arch/mips32/include/boot.h
File deleted
/branches/dynload/kernel/arch/mips32/include/context_offset.h
76,26 → 76,17
#define EOFFSET_T5 0x30
#define EOFFSET_T6 0x34
#define EOFFSET_T7 0x38
#define EOFFSET_S0 0x3c
#define EOFFSET_S1 0x40
#define EOFFSET_S2 0x44
#define EOFFSET_S3 0x48
#define EOFFSET_S4 0x4c
#define EOFFSET_S5 0x50
#define EOFFSET_S6 0x54
#define EOFFSET_S7 0x58
#define EOFFSET_T8 0x5c
#define EOFFSET_T9 0x60
#define EOFFSET_GP 0x64
#define EOFFSET_SP 0x68
#define EOFFSET_S8 0x6c
#define EOFFSET_RA 0x70
#define EOFFSET_LO 0x74
#define EOFFSET_HI 0x78
#define EOFFSET_STATUS 0x7c
#define EOFFSET_EPC 0x80
#define EOFFSET_K1 0x84
#define REGISTER_SPACE 136
#define EOFFSET_T8 0x3c
#define EOFFSET_T9 0x40
#define EOFFSET_GP 0x44
#define EOFFSET_SP 0x48
#define EOFFSET_RA 0x4c
#define EOFFSET_LO 0x50
#define EOFFSET_HI 0x54
#define EOFFSET_STATUS 0x58
#define EOFFSET_EPC 0x5c
#define EOFFSET_K1 0x60
#define REGISTER_SPACE 100
 
#ifdef __ASM__
 
/branches/dynload/kernel/arch/mips32/include/interrupt.h
41,6 → 41,8
#define IVT_ITEMS 32
#define IVT_FIRST 0
 
#define VECTOR_TLB_SHOOTDOWN_IPI EXC_Int
 
extern function virtual_timer_fnc;
extern uint32_t count_hi;
 
/branches/dynload/kernel/arch/mips32/include/exception.h
73,19 → 73,10
uint32_t t5;
uint32_t t6;
uint32_t t7;
uint32_t s0;
uint32_t s1;
uint32_t s2;
uint32_t s3;
uint32_t s4;
uint32_t s5;
uint32_t s6;
uint32_t s7;
uint32_t t8;
uint32_t t9;
uint32_t gp;
uint32_t sp;
uint32_t s8;
uint32_t ra;
uint32_t lo;
/branches/dynload/kernel/arch/mips32/include/smp/order.h
File deleted
/branches/dynload/kernel/arch/mips32/include/smp/dorder.h
0,0 → 1,34
/*
* Copyright (c) 2007 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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 THE AUTHOR 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.
*/
 
#ifndef KERN_mips32_DORDER_H_
#define KERN_mips32_DORDER_H_
 
extern void ipi_broadcast_arch(int ipi);
 
#endif
/branches/dynload/kernel/arch/mips32/include/atomic.h
70,6 → 70,24
return v;
}
 
static inline uint32_t test_and_set(atomic_t *val) {
uint32_t tmp, v;
asm volatile (
"1:\n"
" ll %2, %1\n"
" bnez %2, 2f\n"
" li %0, %3\n"
" sc %0, %1\n"
" beqz %0, 1b\n"
"2:\n"
: "=&r" (tmp), "+m" (val->count), "=&r" (v)
: "i" (1)
);
return v;
}
 
#endif
 
/** @}
/branches/dynload/kernel/arch/mips32/include/arch.h
35,6 → 35,26
#ifndef KERN_mips32_ARCH_H_
#define KERN_mips32_ARCH_H_
 
#define TASKMAP_MAX_RECORDS 32
#define CPUMAP_MAX_RECORDS 32
 
#include <typedefs.h>
 
extern count_t cpu_count;
 
typedef struct {
uintptr_t addr;
uint32_t size;
} utask_t;
 
typedef struct {
uint32_t cpumap;
uint32_t cnt;
utask_t tasks[TASKMAP_MAX_RECORDS];
} bootinfo_t;
 
extern void arch_pre_main(void *entry, bootinfo_t *bootinfo);
 
#endif
 
/** @}
/branches/dynload/kernel/arch/mips32/include/asm.h
55,7 → 55,11
{
uintptr_t v;
asm volatile ("and %0, $29, %1\n" : "=r" (v) : "r" (~(STACK_SIZE-1)));
asm volatile (
"and %0, $29, %1\n"
: "=r" (v)
: "r" (~(STACK_SIZE-1))
);
return v;
}
69,16 → 73,16
extern ipl_t interrupts_enable(void);
extern void interrupts_restore(ipl_t ipl);
extern ipl_t interrupts_read(void);
extern void asm_delay_loop(uint32_t t);
 
/** No I/O port address space on MIPS. */
static inline void outb(ioport_t port, uint8_t v)
static inline void pio_write_8(ioport_t port, uint8_t v)
{
/* XXX */
}
 
/** No I/O port address space on MIPS. */
static inline uint8_t inb(ioport_t port)
static inline uint8_t pio_read_8(ioport_t port)
{
return 0;
return 0; /* XXX */
}
 
#endif
/branches/dynload/kernel/arch/mips32/include/mm/frame.h
41,9 → 41,13
#ifdef KERNEL
#ifndef __ASM__
 
#include <typedefs.h>
 
extern void frame_arch_init(void);
extern void physmem_print(void);
 
extern uintptr_t end_frame;
 
#endif /* __ASM__ */
#endif /* KERNEL */
 
/branches/dynload/kernel/arch/mips32/Makefile.inc
33,11 → 33,9
TARGET = mipsel-linux-gnu
TOOLCHAIN_DIR = $(CROSS_PREFIX)/mipsel
 
KERNEL_LOAD_ADDRESS = 0x80100000
 
GCC_CFLAGS += -mno-abicalls -G 0 -fno-zero-initialized-in-bss
 
DEFS += -D__32_BITS__ -D$(MACHINE) -DKERNEL_LOAD_ADDRESS=$(KERNEL_LOAD_ADDRESS)
DEFS += -D__32_BITS__
 
## Accepted MACHINEs
#
74,7 → 72,6
arch/$(KARCH)/src/context.S \
arch/$(KARCH)/src/panic.S \
arch/$(KARCH)/src/mips32.c \
arch/$(KARCH)/src/dummy.S \
arch/$(KARCH)/src/console.c \
arch/$(KARCH)/src/asm.S \
arch/$(KARCH)/src/exception.c \
90,4 → 87,5
arch/$(KARCH)/src/ddi/ddi.c \
arch/$(KARCH)/src/drivers/msim.c \
arch/$(KARCH)/src/drivers/serial.c \
arch/$(KARCH)/src/smp/order.c
arch/$(KARCH)/src/smp/dorder.c \
arch/$(KARCH)/src/smp/smp.c
/branches/dynload/kernel/arch/mips32/src/dummy.S
File deleted
/branches/dynload/kernel/arch/mips32/src/exception.c
153,7 → 153,7
/*
* The IRQ handler was found.
*/
irq->handler(irq, irq->arg);
irq->handler(irq);
spinlock_unlock(&irq->lock);
} else {
/*
160,7 → 160,8
* Spurious interrupt.
*/
#ifdef CONFIG_DEBUG
printf("cpu%u: spurious interrupt (inum=%d)\n", CPU->id, i);
printf("cpu%u: spurious interrupt (inum=%d)\n",
CPU->id, i);
#endif
}
}
/branches/dynload/kernel/arch/mips32/src/asm.S
46,6 → 46,11
.set noreorder
.set nomacro
 
.global asm_delay_loop
asm_delay_loop:
j $31
nop
 
.global cpu_halt
cpu_halt:
j cpu_halt
/branches/dynload/kernel/arch/mips32/src/start.S
75,18 → 75,6
mfhi $at
sw $at, EOFFSET_HI(\r)
#ifdef CONFIG_DEBUG_ALLREGS
sw $s0, EOFFSET_S0(\r)
sw $s1, EOFFSET_S1(\r)
sw $s2, EOFFSET_S2(\r)
sw $s3, EOFFSET_S3(\r)
sw $s4, EOFFSET_S4(\r)
sw $s5, EOFFSET_S5(\r)
sw $s6, EOFFSET_S6(\r)
sw $s7, EOFFSET_S7(\r)
sw $s8, EOFFSET_S8(\r)
#endif
sw $gp, EOFFSET_GP(\r)
sw $ra, EOFFSET_RA(\r)
sw $k1, EOFFSET_K1(\r)
132,17 → 120,6
lw $t8, EOFFSET_T8(\r)
lw $t9, EOFFSET_T9(\r)
#ifdef CONFIG_DEBUG_ALLREGS
lw $s0, EOFFSET_S0(\r)
lw $s1, EOFFSET_S1(\r)
lw $s2, EOFFSET_S2(\r)
lw $s3, EOFFSET_S3(\r)
lw $s4, EOFFSET_S4(\r)
lw $s5, EOFFSET_S5(\r)
lw $s6, EOFFSET_S6(\r)
lw $s7, EOFFSET_S7(\r)
lw $s8, EOFFSET_S8(\r)
#endif
lw $gp, EOFFSET_GP(\r)
lw $ra, EOFFSET_RA(\r)
lw $k1, EOFFSET_K1(\r)
184,31 → 161,12
lui $sp, %hi(end_stack)
ori $sp, $sp, %lo(end_stack)
/* $a1 contains physical address of bootinfo_t */
/* $a2 contains size of bootinfo_t */
beq $a2, $0, bootinfo_end
/* Not sure about this, but might be needed for PIC code???? */
/* Not sure about this, but might
be needed for PIC code */
lui $gp, 0x8000
lui $a3, %hi(bootinfo)
ori $a3, $a3, %lo(bootinfo)
/* $a1 contains physical address of bootinfo_t */
bootinfo_loop:
lw $v0, 0($a1)
sw $v0, 0($a3)
addi $a1, $a1, 4
addi $a3, $a3, 4
addi $a2, $a2, -4
bgtz $a2, bootinfo_loop
nop
bootinfo_end:
jal arch_pre_main
nop
/branches/dynload/kernel/arch/mips32/src/mips32.c
33,7 → 33,6
*/
 
#include <arch.h>
#include <arch/boot.h>
#include <arch/cp0.h>
#include <arch/exception.h>
#include <mm/as.h>
69,23 → 68,28
 
 
/* Why the linker moves the variable 64K away in assembler
* when not in .text section ????????
* when not in .text section?
*/
 
/* Stack pointer saved when entering user mode */
uintptr_t supervisor_sp __attribute__ ((section (".text")));
/* Stack pointer saved when entering user mode */
/* TODO: How do we do it on SMP system???? */
bootinfo_t bootinfo __attribute__ ((section (".text")));
 
void arch_pre_main(void)
count_t cpu_count = 0;
 
void arch_pre_main(void *entry __attribute__((unused)), bootinfo_t *bootinfo)
{
/* Setup usermode */
init.cnt = bootinfo.cnt;
init.cnt = bootinfo->cnt;
uint32_t i;
count_t i;
for (i = 0; i < min3(bootinfo->cnt, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); i++) {
init.tasks[i].addr = bootinfo->tasks[i].addr;
init.tasks[i].size = bootinfo->tasks[i].size;
}
for (i = 0; i < bootinfo.cnt; i++) {
init.tasks[i].addr = bootinfo.tasks[i].addr;
init.tasks[i].size = bootinfo.tasks[i].size;
for (i = 0; i < CPUMAP_MAX_RECORDS; i++) {
if ((bootinfo->cpumap & (1 << i)) != 0)
cpu_count++;
}
}
 
137,19 → 141,19
fb_init(&gxemul_prop);
#endif
 
#ifdef msim
#ifdef MACHINE_msim
sysinfo_set_item_val("machine.msim", NULL, 1);
#endif
 
#ifdef simics
#ifdef MACHINE_simics
sysinfo_set_item_val("machine.simics", NULL, 1);
#endif
 
#ifdef bgxemul
#ifdef MACHINE_bgxemul
sysinfo_set_item_val("machine.bgxemul", NULL, 1);
#endif
 
#ifdef lgxemul
#ifdef MACHINE_lgxemul
sysinfo_set_item_val("machine.lgxemul", NULL, 1);
#endif
}
166,6 → 170,10
{
}
 
void calibrate_delay_loop(void)
{
}
 
void userspace(uspace_arg_t *kernel_uarg)
{
/* EXL = 1, UM = 1, IE = 1 */
/branches/dynload/kernel/arch/mips32/src/smp/order.c
File deleted
/branches/dynload/kernel/arch/mips32/src/smp/dorder.c
0,0 → 1,47
/*
* Copyright (c) 2007 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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 THE AUTHOR 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.
*/
 
/** @addtogroup mips32
* @{
*/
/** @file
*/
 
#include <arch/smp/dorder.h>
 
#define MSIM_DORDER_ADDRESS 0xB0000004
 
void ipi_broadcast_arch(int ipi)
{
#ifdef CONFIG_SMP
*((volatile unsigned int *) MSIM_DORDER_ADDRESS) = 0x7FFFFFFF;
#endif
}
 
/** @}
*/
/branches/dynload/kernel/arch/mips32/src/smp/smp.c
0,0 → 1,53
/*
* Copyright (c) 2009 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - 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.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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 THE AUTHOR 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.
*/
 
/** @addtogroup mips32
* @{
*/
/** @file
*/
 
#include <config.h>
#include <smp/smp.h>
#include <arch/arch.h>
 
#ifdef CONFIG_SMP
 
void smp_init(void)
{
config.cpu_count = cpu_count;
}
 
void kmp(void *arg __attribute__((unused)))
{
}
 
#endif /* CONFIG_SMP */
 
/** @}
*/
/branches/dynload/kernel/arch/mips32/src/debugger.c
162,7 → 162,7
for (i = 0; i < BKPOINTS_MAX; i++) {
if (breakpoints[i].address == (uintptr_t)argv->intval) {
printf("Duplicate breakpoint %d.\n", i);
spinlock_unlock(&bkpoints_lock);
spinlock_unlock(&bkpoint_lock);
return 0;
} else if (breakpoints[i].address == (uintptr_t)argv->intval +
sizeof(unative_t) || breakpoints[i].address ==
169,7 → 169,7
(uintptr_t)argv->intval - sizeof(unative_t)) {
printf("Adjacent breakpoints not supported, conflict "
"with %d.\n", i);
spinlock_unlock(&bkpoints_lock);
spinlock_unlock(&bkpoint_lock);
return 0;
}
/branches/dynload/kernel/arch/mips32/src/mm/tlb.c
41,7 → 41,7
#include <panic.h>
#include <arch.h>
#include <symtab.h>
#include <synch/spinlock.h>
#include <synch/mutex.h>
#include <print.h>
#include <debug.h>
#include <align.h>
95,9 → 95,9
 
badvaddr = cp0_badvaddr_read();
 
spinlock_lock(&AS->lock);
mutex_lock(&AS->lock);
asid = AS->asid;
spinlock_unlock(&AS->lock);
mutex_unlock(&AS->lock);
 
page_table_lock(AS, true);
 
/branches/dynload/kernel/arch/mips32/src/mm/frame.c
65,7 → 65,9
static count_t phys_regions_count = 0;
static phys_region_t phys_regions[MAX_REGIONS];
 
uintptr_t end_frame = 0;
 
 
/** Check whether frame is available
*
* Returns true if given frame is generally available for use.
75,7 → 77,7
*/
static bool frame_available(pfn_t frame)
{
#ifdef msim
#ifdef MACHINE_msim
/* MSIM device (dprinter) */
if (frame == (KA2PA(MSIM_VIDEORAM) >> ZERO_PAGE_WIDTH))
return false;
85,13 → 87,13
return false;
#endif
 
#ifdef simics
#ifdef MACHINE_simics
/* Simics device (serial line) */
if (frame == (KA2PA(SERIAL_ADDRESS) >> ZERO_PAGE_WIDTH))
return false;
#endif
 
#if defined(lgxemul) || defined(bgxemul)
#if defined(MACHINE_lgxemul) || defined(MACHINE_bgxemul)
/* gxemul devices */
if (overlaps(frame << ZERO_PAGE_WIDTH, ZERO_PAGE_SIZE,
0x10000000, MB2SIZE(256)))
236,8 → 238,10
}
}
frame_add_region(start_frame, frame);
end_frame = frame;
frame_add_region(start_frame, end_frame);
/* Blacklist interrupt vector frame */
frame_mark_unavailable(0, 1);
/branches/dynload/kernel/arch/mips32/src/mm/page.c
35,6 → 35,7
#include <arch/mm/page.h>
#include <genarch/mm/page_pt.h>
#include <mm/page.h>
#include <mm/frame.h>
 
void page_arch_init(void)
{
50,5 → 51,11
return physaddr + 0xa0000000;
}
 
void hw_area(uintptr_t *physaddr, pfn_t *frames)
{
*physaddr = end_frame;
*frames = ADDR2PFN(0xffffffff - end_frame);
}
 
/** @}
*/
/branches/dynload/kernel/arch/mips32/src/interrupt.c
43,6 → 43,7
 
#define IRQ_COUNT 8
#define TIMER_IRQ 7
#define DORDER_IRQ 5
 
function virtual_timer_fnc = NULL;
static irq_t timer_irq;
100,12 → 101,12
cp0_compare_write(nextcount);
}
 
static irq_ownership_t timer_claim(void)
static irq_ownership_t timer_claim(void *instance)
{
return IRQ_ACCEPT;
}
 
static void timer_irq_handler(irq_t *irq, void *arg, ...)
static void timer_irq_handler(irq_t *irq)
{
unsigned long drift;
/branches/dynload/kernel/arch/mips32/src/drivers/serial.c
112,7 → 112,7
}
 
/** Process keyboard interrupt. Does not work in simics? */
static void serial_irq_handler(irq_t *irq, void *arg, ...)
static void serial_irq_handler(irq_t *irq)
{
if ((irq->notif_cfg.notify) && (irq->notif_cfg.answerbox))
ipc_irq_send_notif(irq);
120,7 → 120,7
serial_handler();
}
 
static irq_ownership_t serial_claim(void)
static irq_ownership_t serial_claim(void *instance)
{
return IRQ_ACCEPT;
}
/branches/dynload/kernel/arch/mips32/src/drivers/msim.c
41,7 → 41,6
#include <sysinfo/sysinfo.h>
#include <ddi/ddi.h>
 
static parea_t msim_parea;
static chardev_t console;
static irq_t msim_irq;
 
94,7 → 93,7
}
 
/** Process keyboard interrupt. */
static void msim_irq_handler(irq_t *irq, void *arg, ...)
static void msim_irq_handler(irq_t *irq)
{
if ((irq->notif_cfg.notify) && (irq->notif_cfg.answerbox))
ipc_irq_send_notif(irq);
110,7 → 109,7
}
}
 
static irq_ownership_t msim_claim(void)
static irq_ownership_t msim_claim(void *instance)
{
return IRQ_ACCEPT;
}
156,12 → 155,6
sysinfo_set_item_val("kbd.inr", NULL, MSIM_KBD_IRQ);
sysinfo_set_item_val("kbd.address.virtual", NULL, MSIM_KBD_ADDRESS);
msim_parea.pbase = KA2PA(MSIM_VIDEORAM);
msim_parea.vbase = MSIM_VIDEORAM;
msim_parea.frames = 1;
msim_parea.cacheable = false;
ddi_parea_register(&msim_parea);
sysinfo_set_item_val("fb", NULL, true);
sysinfo_set_item_val("fb.kind", NULL, 3);
sysinfo_set_item_val("fb.address.physical", NULL, KA2PA(MSIM_VIDEORAM));