/branches/sparc/kernel/arch/sparc64/src/sun4v/sparc64.c |
---|
33,24 → 33,9 |
*/ |
#include <arch.h> |
#include <debug.h> |
#include <config.h> |
#include <arch/trap/trap.h> |
#include <arch/console.h> |
#include <proc/thread.h> |
#include <console/console.h> |
#include <arch/boot/boot.h> |
#include <arch/arch.h> |
#include <arch/asm.h> |
#include <arch/mm/page.h> |
#include <arch/stack.h> |
#include <arch/sun4v/md.h> |
#include <genarch/ofw/ofw_tree.h> |
#include <userspace.h> |
#include <ddi/irq.h> |
#include <print.h> |
bootinfo_t bootinfo; |
/** Perform sparc64 specific initialization before main_bsp() is called. */ |
void arch_pre_main(void) |
67,96 → 52,5 |
md_init(); |
} |
/** Perform sparc64 specific initialization before mm is initialized. */ |
void arch_pre_mm_init(void) |
{ |
if (config.cpu_active == 1) |
trap_init(); |
} |
/** Perform sparc64 specific initialization afterr mm is initialized. */ |
void arch_post_mm_init(void) |
{ |
if (config.cpu_active == 1) { |
/* |
* We have 2^11 different interrupt vectors. |
* But we only create 128 buckets. |
*/ |
irq_init(1 << 11, 128); |
} |
standalone_sparc64_console_init(); |
} |
void arch_post_cpu_init(void) |
{ |
} |
void arch_pre_smp_init(void) |
{ |
} |
void arch_post_smp_init(void) |
{ |
static thread_t *t = NULL; |
if (!t) { |
/* |
* Create thread that polls keyboard. |
*/ |
t = thread_create(kkbdpoll, NULL, TASK, 0, "kkbdpoll", true); |
if (!t) |
panic("cannot create kkbdpoll\n"); |
thread_ready(t); |
} |
} |
/** Calibrate delay loop. |
* |
* On sparc64, we implement delay() by waiting for the TICK register to |
* reach a pre-computed value, as opposed to performing some pre-computed |
* amount of instructions of known duration. We set the delay_loop_const |
* to 1 in order to neutralize the multiplication done by delay(). |
*/ |
void calibrate_delay_loop(void) |
{ |
CPU->delay_loop_const = 1; |
} |
/** Wait several microseconds. |
* |
* We assume that interrupts are already disabled. |
* |
* @param t Microseconds to wait. |
*/ |
void asm_delay_loop(const uint32_t usec) |
{ |
uint64_t stop = tick_read() + (uint64_t) usec * (uint64_t) |
CPU->arch.clock_frequency / 1000000; |
while (tick_read() < stop) |
; |
} |
/** Switch to userspace. */ |
void userspace(uspace_arg_t *kernel_uarg) |
{ |
switch_to_userspace((uintptr_t) kernel_uarg->uspace_entry, |
((uintptr_t) kernel_uarg->uspace_stack) + STACK_SIZE |
- (ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT) + STACK_BIAS), |
(uintptr_t) kernel_uarg->uspace_uarg); |
for (;;) |
; |
/* not reached */ |
} |
void arch_reboot(void) |
{ |
// TODO |
while (1); |
} |
/** @} |
*/ |
/branches/sparc/kernel/arch/sparc64/src/sun4v/console.c |
---|
0,0 → 1,93 |
/* |
* Copyright (c) 2005 Jakub Jermar |
* 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 sparc64 |
* @{ |
*/ |
/** @file |
*/ |
#include <arch/console.h> |
#include <arch/types.h> |
#include <arch/drivers/scr.h> |
#include <arch/drivers/kbd.h> |
#include <arch/drivers/sgcn.h> |
#if defined (SUN4U) |
#ifdef CONFIG_Z8530 |
#include <genarch/kbd/z8530.h> |
#endif |
#ifdef CONFIG_NS16550 |
#include <genarch/kbd/ns16550.h> |
#endif |
#elif defined (SUN4V) |
#include <arch/drivers/niagara.h> |
#endif |
#include <console/chardev.h> |
#include <console/console.h> |
#include <arch/asm.h> |
#include <arch/register.h> |
#include <proc/thread.h> |
#include <arch/mm/tlb.h> |
#include <genarch/ofw/ofw_tree.h> |
#include <arch.h> |
#include <panic.h> |
#include <func.h> |
#include <print.h> |
#define KEYBOARD_POLL_PAUSE 50000 /* 50ms */ |
/** |
* Initialize input/output. |
*/ |
void standalone_sparc64_console_init(void) |
{ |
niagara_init(); |
} |
/** Acquire console back for kernel |
* |
*/ |
void arch_grab_console(void) |
{ |
niagara_grab(); |
} |
/** Return console to userspace |
* |
*/ |
void arch_release_console(void) |
{ |
niagara_release(); |
} |
/** @} |
*/ |