33,7 → 33,6 |
*/ |
|
#include <arch.h> |
#include <arch/boot.h> |
#include <arch/cp0.h> |
#include <arch/exception.h> |
#include <mm/as.h> |
53,39 → 52,52 |
#include <arch/debugger.h> |
#include <genarch/fb/fb.h> |
#include <genarch/fb/visuals.h> |
#include <genarch/drivers/dsrln/dsrlnin.h> |
#include <genarch/drivers/dsrln/dsrlnout.h> |
#include <genarch/srln/srln.h> |
#include <macros.h> |
#include <ddi/device.h> |
#include <config.h> |
#include <string.h> |
#include <arch/drivers/msim.h> |
|
#include <arch/asm/regname.h> |
|
/* Size of the code jumping to the exception handler code |
* - J+NOP |
/* Size of the code jumping to the exception handler code |
* - J+NOP |
*/ |
#define EXCEPTION_JUMP_SIZE 8 |
#define EXCEPTION_JUMP_SIZE 8 |
|
#define TLB_EXC ((char *) 0x80000000) |
#define NORM_EXC ((char *) 0x80000180) |
#define CACHE_EXC ((char *) 0x80000100) |
#define TLB_EXC ((char *) 0x80000000) |
#define NORM_EXC ((char *) 0x80000180) |
#define CACHE_EXC ((char *) 0x80000100) |
|
|
/* 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; |
|
/** Performs mips32-specific initialization before main_bsp() is called. */ |
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; |
strncpy(init.tasks[i].name, bootinfo->tasks[i].name, |
CONFIG_TASK_NAME_BUFLEN); |
} |
|
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++; |
} |
} |
|
111,12 → 123,12 |
*/ |
cp0_status_write(cp0_status_read() & |
~(cp0_status_bev_bootstrap_bit | cp0_status_erl_error_bit)); |
|
/* |
* Mask all interrupts |
|
/* |
* Mask all interrupts |
*/ |
cp0_mask_all_int(); |
|
|
debugger_init(); |
} |
|
123,12 → 135,23 |
void arch_post_mm_init(void) |
{ |
interrupt_init(); |
console_init(device_assign_devno()); |
|
#ifdef CONFIG_FB |
/* GXemul framebuffer */ |
fb_init(0x12000000, 640, 480, 1920, VISUAL_RGB_8_8_8); |
#endif |
sysinfo_set_item_val("machine." STRING(MACHINE), NULL, 1); |
fb_properties_t gxemul_prop = { |
.addr = 0x12000000, |
.offset = 0, |
.x = 640, |
.y = 480, |
.scan = 1920, |
.visual = VISUAL_BGR_8_8_8, |
}; |
fb_init(&gxemul_prop); |
#else |
#ifdef CONFIG_MIPS_PRN |
dsrlnout_init((ioport8_t *) MSIM_KBD_ADDRESS); |
#endif /* CONFIG_MIPS_PRN */ |
#endif /* CONFIG_FB */ |
} |
|
void arch_post_cpu_init(void) |
141,8 → 164,31 |
|
void arch_post_smp_init(void) |
{ |
#ifdef CONFIG_MIPS_KBD |
/* |
* Initialize the msim/GXemul keyboard port. Then initialize the serial line |
* module and connect it to the msim/GXemul keyboard. Enable keyboard interrupts. |
*/ |
indev_t *kbrdin = dsrlnin_init((dsrlnin_t *) MSIM_KBD_ADDRESS, MSIM_KBD_IRQ); |
if (kbrdin) { |
srln_init(kbrdin); |
cp0_unmask_int(MSIM_KBD_IRQ); |
} |
|
/* |
* This is the necessary evil until the userspace driver is entirely |
* self-sufficient. |
*/ |
sysinfo_set_item_val("kbd", NULL, true); |
sysinfo_set_item_val("kbd.inr", NULL, MSIM_KBD_IRQ); |
sysinfo_set_item_val("kbd.address.virtual", NULL, MSIM_KBD_ADDRESS); |
#endif |
} |
|
void calibrate_delay_loop(void) |
{ |
} |
|
void userspace(uspace_arg_t *kernel_uarg) |
{ |
/* EXL = 1, UM = 1, IE = 1 */ |
153,8 → 199,7 |
(uintptr_t) kernel_uarg->uspace_uarg, |
(uintptr_t) kernel_uarg->uspace_entry); |
|
while (1) |
; |
while (1); |
} |
|
/** Perform mips32 specific tasks needed before the new task is run. */ |
186,10 → 231,22 |
void arch_reboot(void) |
{ |
___halt(); |
|
while (1) |
; |
while (1); |
} |
|
/** Construct function pointer |
* |
* @param fptr function pointer structure |
* @param addr function address |
* @param caller calling function address |
* |
* @return address of the function pointer |
* |
*/ |
void *arch_construct_function(fncptr_t *fptr, void *addr, void *caller) |
{ |
return addr; |
} |
|
/** @} |
*/ |