/trunk/kernel/generic/include/arch.h |
---|
63,12 → 63,11 |
as_t *as; /**< Current address space. */ |
} the_t; |
#define THE ((the_t *)(get_stack_base())) |
#define THE ((the_t * )(get_stack_base())) |
extern void the_initialize(the_t *the); |
extern void the_copy(the_t *src, the_t *dst); |
extern void arch_pre_main(void); |
extern void arch_pre_mm_init(void); |
extern void arch_post_mm_init(void); |
extern void arch_post_cpu_init(void); |
/trunk/kernel/arch/sparc64/include/arch.h |
---|
45,6 → 45,12 |
#define NWINDOWS 8 /** Number of register window sets. */ |
#ifndef __ASM__ |
extern void arch_pre_main(void); |
#endif /* __ASM__ */ |
#endif |
/** @} |
/trunk/kernel/arch/ia64/include/arch.h |
---|
39,6 → 39,8 |
#include <arch/ski/ski.h> |
extern void arch_pre_main(void); |
#endif |
/** @} |
/trunk/kernel/arch/arm32/include/boot.h |
---|
File deleted |
/trunk/kernel/arch/arm32/include/asm/boot.h |
---|
26,7 → 26,7 |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
39,24 → 39,7 |
/** Size of a temporary stack used for initial kernel start. */ |
#define TEMP_STACK_SIZE 0x100 |
#ifndef __ASM__ |
/** Kernel entry point. |
* |
* Implemented in assembly. Copies boot_bootinfo (declared as bootinfo in |
* boot/arch/arm32/loader/main.c) to #bootinfo struct. Then jumps to |
* #arch_pre_main and #main_bsp. |
* |
* @param entry Entry point address (not used). |
* @param boot_bootinfo Struct holding information about loaded tasks. |
* @param bootinfo_size Size of the bootinfo structure. |
*/ |
extern void kernel_image_start(void *entry, void *boot_bootinfo, |
unsigned int bootinfo_size); |
#endif |
#endif |
/** @} |
*/ |
/trunk/kernel/arch/arm32/include/arch.h |
---|
26,7 → 26,7 |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup arm32 |
/** @addtogroup arm32 |
* @{ |
*/ |
/** @file |
36,6 → 36,23 |
#ifndef KERN_arm32_ARCH_H_ |
#define KERN_arm32_ARCH_H_ |
#define TASKMAP_MAX_RECORDS 32 |
#define CPUMAP_MAX_RECORDS 32 |
#include <typedefs.h> |
typedef struct { |
uintptr_t addr; |
uint32_t size; |
} utask_t; |
typedef struct { |
uint32_t cnt; |
utask_t tasks[TASKMAP_MAX_RECORDS]; |
} bootinfo_t; |
extern void arch_pre_main(void *entry, bootinfo_t *bootinfo); |
#endif |
/** @} |
/trunk/kernel/arch/arm32/src/arm32.c |
---|
34,7 → 34,6 |
*/ |
#include <arch.h> |
#include <arch/boot.h> |
#include <config.h> |
#include <arch/console.h> |
#include <ddi/device.h> |
48,22 → 47,19 |
#include <arch/regutils.h> |
#include <arch/machine.h> |
#include <userspace.h> |
#include <macros.h> |
/** Information about loaded tasks. */ |
bootinfo_t bootinfo; |
/** Performs arm32 specific initialization before main_bsp() is called. */ |
void arch_pre_main(void) |
void arch_pre_main(void *entry __attribute__((unused)), bootinfo_t *bootinfo) |
{ |
unsigned int i; |
init.cnt = bootinfo.cnt; |
for (i = 0; i < bootinfo.cnt; ++i) { |
init.tasks[i].addr = bootinfo.tasks[i].addr; |
init.tasks[i].size = bootinfo.tasks[i].size; |
init.cnt = bootinfo->cnt; |
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; |
} |
} |
/** Performs arm32 specific initialization before mm is initialized. */ |
/trunk/kernel/arch/arm32/src/start.S |
---|
40,30 → 40,12 |
mrs r3, cpsr |
bic r3, r3, #0x1f |
orr r3, r3, #0x13 |
msr cpsr_c, r3 |
msr cpsr_c, r3 |
ldr sp, =temp_stack |
cmp r2, #0 |
beq bootinfo_end |
ldr r3, =bootinfo |
bootinfo_loop: |
ldr r4, [r1] |
str r4, [r3] |
add r1, r1, #4 |
add r3, r3, #4 |
add r2, r2, #-4 |
cmp r2, #0 |
bne bootinfo_loop |
bootinfo_end: |
bl arch_pre_main |
bl main_bsp |
.space TEMP_STACK_SIZE |
74,4 → 56,3 |
supervisor_sp: |
.space 4 |
/trunk/kernel/arch/ppc32/include/boot/boot.h |
---|
26,7 → 26,7 |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
35,13 → 35,13 |
#ifndef KERN_ppc32_BOOT_H_ |
#define KERN_ppc32_BOOT_H_ |
#define BOOT_OFFSET 0x8000 |
#define BOOT_OFFSET 0x8000 |
/* Temporary stack size for boot process */ |
#define TEMP_STACK_SIZE 0x1000 |
#define TEMP_STACK_SIZE 0x1000 |
#define TASKMAP_MAX_RECORDS 32 |
#define MEMMAP_MAX_RECORDS 32 |
#define TASKMAP_MAX_RECORDS 32 |
#define MEMMAP_MAX_RECORDS 32 |
#ifndef __ASM__ |
/trunk/kernel/arch/ppc32/include/arch.h |
---|
26,7 → 26,7 |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup ppc32 |
/** @addtogroup ppc32 |
* @{ |
*/ |
/** @file |
35,7 → 35,7 |
#ifndef KERN_ppc32_ARCH_H_ |
#define KERN_ppc32_ARCH_H_ |
#include <arch/drivers/cuda.h> |
extern void arch_pre_main(void); |
#endif |
/trunk/kernel/arch/ppc32/src/boot/boot.S |
---|
33,7 → 33,7 |
.global kernel_image_start |
kernel_image_start: |
# load temporal kernel stack |
lis sp, kernel_stack@ha |
52,7 → 52,7 |
beq bootinfo_end |
addis r3, r3, 0x8000 |
lis r31, bootinfo@ha |
addi r31, r31, bootinfo@l # r31 = bootinfo |
/trunk/kernel/arch/ppc32/src/ppc32.c |
---|
45,19 → 45,19 |
#include <ddi/device.h> |
#include <ddi/irq.h> |
#include <arch/drivers/pic.h> |
#include <macros.h> |
#define IRQ_COUNT 64 |
#define IRQ_COUNT 64 |
bootinfo_t bootinfo; |
void arch_pre_main(void) |
{ |
/* Setup usermode */ |
init.cnt = bootinfo.taskmap.count; |
uint32_t i; |
for (i = 0; i < bootinfo.taskmap.count; i++) { |
for (i = 0; i < min3(bootinfo.taskmap.count, TASKMAP_MAX_RECORDS, CONFIG_INIT_TASKS); i++) { |
init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr); |
init.tasks[i].size = bootinfo.taskmap.tasks[i].size; |
} |
/trunk/kernel/arch/mips32/include/boot.h |
---|
File deleted |
/trunk/kernel/arch/mips32/include/asm/boot.h |
---|
26,7 → 26,7 |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
/trunk/kernel/arch/mips32/include/arch.h |
---|
26,7 → 26,7 |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup mips32 |
/** @addtogroup mips32 |
* @{ |
*/ |
/** @file |
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 |
/** @} |
/trunk/kernel/arch/mips32/src/start.S |
---|
31,7 → 31,7 |
#include <arch/asm/boot.h> |
#include <arch/context_offset.h> |
#include <arch/stack.h> |
.text |
.set noat |
152,9 → 152,9 |
ori $k0, $k0, %lo(supervisor_sp) |
# Move $k0 (superveisor_sp) |
lw $k0, 0($k0) |
1: |
1: |
.endm |
.org 0x0 |
kernel_image_start: |
/* Load temporary stack */ |
161,31 → 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 |
205,8 → 186,8 |
exception_entry: |
j exception_handler |
nop |
nop |
exception_handler: |
KERNEL_STACK_TO_K0 |
sub $k0, REGISTER_SPACE |
215,17 → 196,17 |
mfc0 $k0, $cause |
sra $k0, $k0, 0x2 # cp0_exc_cause() part 1 |
andi $k0, $k0, 0x1f # cp0_exc_cause() part 2 |
sub $k0, 8 # 8 = SYSCALL |
sra $k0, $k0, 0x2 # cp0_exc_cause() part 1 |
andi $k0, $k0, 0x1f # cp0_exc_cause() part 2 |
sub $k0, 8 # 8 = SYSCALL |
beqz $k0, syscall_shortcut |
add $k0, 8 # Revert $k0 back to correct exc number |
add $k0, 8 # Revert $k0 back to correct exc number |
REGISTERS_STORE_AND_EXC_RESET $sp |
move $a1, $sp |
jal exc_dispatch # exc_dispatch(excno, register_space) |
jal exc_dispatch # exc_dispatch(excno, register_space) |
move $a0, $k0 |
REGISTERS_LOAD $sp |
/trunk/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> |
58,34 → 57,39 |
#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; |
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++; |
} |
} |
/trunk/kernel/arch/mips32/src/smp/smp.c |
---|
32,12 → 32,15 |
/** @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))) |
/trunk/boot/arch/arm32/loader/boot.S |
---|
53,5 → 53,3 |
# make place for PTL0 page table |
page_table: |
.skip PTL0_ENTRIES * PTL0_ENTRY_SIZE |
/trunk/boot/arch/arm32/loader/main.c |
---|
32,7 → 32,7 |
*/ |
/** @file |
* @brief Bootstrap. |
*/ |
*/ |
#include "main.h" |
39,6 → 39,7 |
#include "asm.h" |
#include "_components.h" |
#include <printf.h> |
#include <align.h> |
#include <macros.h> |
#include "mm.h" |
109,7 → 110,7 |
} |
printf("\nBooting the kernel...\n"); |
jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo)); |
jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo); |
} |
/** @} |
/trunk/boot/arch/arm32/loader/asm.h |
---|
32,7 → 32,7 |
*/ |
/** @file |
* @brief Functions implemented in assembly. |
*/ |
*/ |
#ifndef BOOT_arm32_ASM_H |
40,10 → 40,10 |
/** Copies cnt bytes from dst to src. |
* |
* |
* @param dst Destination address. |
* @param src Source address. |
* @param cnt Count of bytes to be copied. |
* @param cnt Count of bytes to be copied. |
*/ |
#define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt)) |
58,12 → 58,11 |
/** Jumps to the kernel entry point. |
* |
* @param entry Kernel entry point address. |
* @param bootinfo Structure holding information about loaded tasks. |
* @param bootinfo_size Size of the bootinfo structure. |
* @param entry Kernel entry point address. |
* @param bootinfo Structure holding information about loaded tasks. |
* |
*/ |
extern void jump_to_kernel(void *entry, void *bootinfo, |
unsigned int bootinfo_size) __attribute__((noreturn)); |
extern void jump_to_kernel(void *entry, void *bootinfo) __attribute__((noreturn)); |
#endif |
/trunk/boot/arch/arm32/loader/main.h |
---|
32,7 → 32,7 |
*/ |
/** @file |
* @brief Boot related declarations. |
*/ |
*/ |
#ifndef BOOT_arm32_MAIN_H |
39,13 → 39,6 |
#define BOOT_arm32_MAIN_H |
/** Aligns to the nearest higher address. |
* |
* @param addr Address or number to be aligned. |
* @param align Size of alignment, must be power of 2. |
*/ |
#define ALIGN_UP(addr, align) (((addr) + ((align) - 1)) & ~((align) - 1)) |
/** Maximum number of tasks in the #bootinfo_t struct. */ |
#define TASKMAP_MAX_RECORDS 32 |
74,4 → 67,3 |
/** @} |
*/ |
/trunk/boot/arch/mips32/loader/boot.S |
---|
27,10 → 27,8 |
# |
#include "regname.h" |
#include "main.h" |
#define INITIAL_STACK 0x80040000 |
#define MSIM_DORDER_ADDRESS 0x90000004 |
.set noat |
.set noreorder |
.set nomacro |
40,16 → 38,69 |
.global start |
start: |
/* Setup CPU map (on msim this code |
is executed in parallel on all CPUs, |
but it not an issue) */ |
la $a0, CPUMAP |
sw $zero, 0($a0) |
sw $zero, 4($a0) |
sw $zero, 8($a0) |
sw $zero, 12($a0) |
sw $zero, 16($a0) |
sw $zero, 20($a0) |
sw $zero, 24($a0) |
sw $zero, 28($a0) |
sw $zero, 32($a0) |
sw $zero, 36($a0) |
sw $zero, 40($a0) |
sw $zero, 44($a0) |
sw $zero, 48($a0) |
sw $zero, 52($a0) |
sw $zero, 56($a0) |
sw $zero, 60($a0) |
sw $zero, 64($a0) |
sw $zero, 68($a0) |
sw $zero, 72($a0) |
sw $zero, 76($a0) |
sw $zero, 80($a0) |
sw $zero, 84($a0) |
sw $zero, 88($a0) |
sw $zero, 92($a0) |
sw $zero, 96($a0) |
sw $zero, 100($a0) |
sw $zero, 104($a0) |
sw $zero, 108($a0) |
sw $zero, 112($a0) |
sw $zero, 116($a0) |
sw $zero, 120($a0) |
sw $zero, 124($a0) |
lui $a1, 1 |
#ifdef MACHINE_msim |
/* Read dorder value */ |
la $k0, MSIM_DORDER_ADDRESS |
lw $k0, ($k0) |
lw $k1, ($k0) |
/* If we are not running on BSP |
end in an infinite loop */ |
beq $k0, $zero, bsp |
then end in an infinite loop */ |
beq $k1, $zero, bsp |
nop |
/* Record CPU presence */ |
sll $a2, $k1, 2 |
addu $a2, $a2, $a0 |
sw $a1, ($a2) |
loop: |
j loop |
nop |
57,9 → 108,11 |
#endif |
bsp: |
/* Record CPU presence */ |
sw $a1, ($a0) |
/* Setup initial stack */ |
lui $sp, INITIAL_STACK >> 16 |
ori $sp, $sp, INITIAL_STACK & 0xffff |
la $sp, INITIAL_STACK |
j bootstrap |
nop |
/trunk/boot/arch/mips32/loader/main.c |
---|
28,6 → 28,7 |
#include "main.h" |
#include <printf.h> |
#include <align.h> |
#include <macros.h> |
#include "msim.h" |
#include "asm.h" |
73,9 → 74,10 |
printf(" %L: %s image (size %d bytes)\n", components[i].start, components[i].name, components[i].size); |
printf("\nCopying components\n"); |
unsigned int top = 0; |
bootinfo.cnt = 0; |
for (i = 0; i < COMPONENTS; i++) { |
for (i = 0; i < min(COMPONENTS, TASKMAP_MAX_RECORDS); i++) { |
printf(" %s...", components[i].name); |
top = ALIGN_UP(top, PAGE_SIZE); |
memcpy(((void *) KERNEL_VIRTUAL_ADDRESS) + top, components[i].start, components[i].size); |
88,6 → 90,13 |
printf("done.\n"); |
} |
unsigned int *cpumap = (unsigned int *) CPUMAP; |
bootinfo.cpumap = 0; |
for (i = 0; i < CPUMAP_MAX_RECORDS; i++) { |
if (cpumap[i] != 0) |
bootinfo.cpumap |= (1 << i); |
} |
printf("\nBooting the kernel...\n"); |
jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo, sizeof(bootinfo)); |
jump_to_kernel((void *) KERNEL_VIRTUAL_ADDRESS, &bootinfo); |
} |
/trunk/boot/arch/mips32/loader/asm.h |
---|
29,11 → 29,11 |
#ifndef BOOT_mips32_ASM_H_ |
#define BOOT_mips32_ASM_H_ |
#define PAGE_SIZE 16384 |
#define PAGE_WIDTH 14 |
#define PAGE_SIZE 16384 |
#define PAGE_WIDTH 14 |
#define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt)) |
#define memcpy(dst, src, cnt) __builtin_memcpy((dst), (src), (cnt)) |
void jump_to_kernel(void *entry, void *bootinfo, unsigned int bootinfo_size) __attribute__((noreturn)); |
void jump_to_kernel(void *entry, void *bootinfo) __attribute__((noreturn)); |
#endif |
/trunk/boot/arch/mips32/loader/main.h |
---|
29,15 → 29,15 |
#ifndef BOOT_mips32_MAIN_H_ |
#define BOOT_mips32_MAIN_H_ |
/** Align to the nearest higher address. |
* |
* @param addr Address or size to be aligned. |
* @param align Size of alignment, must be power of 2. |
*/ |
#define ALIGN_UP(addr, align) (((addr) + ((align) - 1)) & ~((align) - 1)) |
#define CPUMAP 0x80001000 |
#define INITIAL_STACK 0x80002000 |
#define MSIM_DORDER_ADDRESS 0xb0000004 |
#define TASKMAP_MAX_RECORDS 32 |
#define TASKMAP_MAX_RECORDS 32 |
#define CPUMAP_MAX_RECORDS 32 |
#ifndef __ASM__ |
typedef struct { |
void *addr; |
unsigned int size; |
44,6 → 44,7 |
} task_t; |
typedef struct { |
unsigned int cpumap; |
unsigned int cnt; |
task_t tasks[TASKMAP_MAX_RECORDS]; |
} bootinfo_t; |
52,3 → 53,5 |
extern void bootstrap(void); |
#endif |
#endif |