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Code Issues Releases Wiki Activity

wrench: 更新Makefile

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This commit is contained in:
fslongjin 2022-07-25 11:05:30 +08:00
parent 9dfd4d9d6e
commit a3b5102a36
23 changed files with 427 additions and 351 deletions
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101
kernel/Makefile
View File

@ -12,27 +12,19 @@ LIB_FILES := $(foreach DIR,$(DIR_LIB),$(addprefix $(DIR)/,$(lib_patterns)))
PIC := _INTR_APIC_ PIC := _INTR_APIC_
CFLAGS = $(GLOBAL_CFLAGS) -D $(PIC) -I $(shell pwd) CFLAGS = $(GLOBAL_CFLAGS) -D $(PIC) -I $(shell pwd)
ASFLAGS := --64 export ASFLAGS := --64
LD_LIST := head.o LD_LIST := head.o
OBJ_LIST := head.o OBJ_LIST := head.o
kernel_subdirs := common driver process debug filesystem time kernel_subdirs := common driver process debug filesystem time arch exception mm smp sched syscall
head.o: head.S head.o: head.S
gcc -E head.S > head.s # 预处理 gcc -E head.S > head.s # 预处理
as $(ASFLAGS) -o head.o head.s as $(ASFLAGS) -o head.o head.s
#gcc -mcmodel=large -fno-builtin -m64 -c head.S -o head.o
entry.o: exception/entry.S
gcc -E exception/entry.S > exception/entry.s
as $(ASFLAGS) -o exception/entry.o exception/entry.s
main.o: main.c main.o: main.c
@ -41,91 +33,6 @@ main.o: main.c
gcc $(CFLAGS) -c main.c -o main.o gcc $(CFLAGS) -c main.c -o main.o
printk.o: common/printk.c
gcc $(CFLAGS) -c common/printk.c -o common/printk.o
trap.o: exception/trap.c
gcc $(CFLAGS) -c exception/trap.c -o exception/trap.o
irq.o: exception/irq.c
gcc $(CFLAGS) -c exception/irq.c -o exception/irq.o
mm.o: mm/mm.c
gcc $(CFLAGS) -c mm/mm.c -o mm/mm.o
slab.o: mm/slab.c
gcc $(CFLAGS) -c mm/slab.c -o mm/slab.o
sched.o: sched/sched.c
gcc $(CFLAGS) -c sched/sched.c -o sched/sched.o
syscall.o: syscall/syscall.c
gcc $(CFLAGS) -c syscall/syscall.c -o syscall/syscall.o
smp.o: smp/smp.c
gcc $(CFLAGS) -c smp/smp.c -o smp/smp.o
apu_boot.o: smp/apu_boot.S
gcc -E smp/apu_boot.S > smp/apu_boot.s # 预处理
as $(ASFLAGS) -o smp/apu_boot.o smp/apu_boot.s
cpu.o: common/cpu.c
gcc $(CFLAGS) -c common/cpu.c -o common/cpu.o
softirq.o: exception/softirq.c
gcc $(CFLAGS) -c exception/softirq.c -o exception/softirq.o
# IPI的代码
ifeq ($(ARCH), __x86_64__)
OBJ_LIST += ipi.o
LD_LIST += arch/x86_64/x86_64_ipi.o
ipi.o: arch/x86_64/x86_64_ipi.c
gcc $(CFLAGS) -c arch/x86_64/x86_64_ipi.c -o arch/x86_64/x86_64_ipi.o
endif
# 驱动程序
multiboot2.o: driver/multiboot2/multiboot2.c
gcc $(CFLAGS) -c driver/multiboot2/multiboot2.c -o driver/multiboot2/multiboot2.o
acpi.o: driver/acpi/acpi.c
gcc $(CFLAGS) -c driver/acpi/acpi.c -o driver/acpi/acpi.o
ps2_keyboard.o: driver/keyboard/ps2_keyboard.c
gcc $(CFLAGS) -c driver/keyboard/ps2_keyboard.c -o driver/keyboard/ps2_keyboard.o
ps2_mouse.o: driver/mouse/ps2_mouse.c
gcc $(CFLAGS) -c driver/mouse/ps2_mouse.c -o driver/mouse/ps2_mouse.o
ata.o: driver/disk/ata.c
gcc $(CFLAGS) -c driver/disk/ata.c -o driver/disk/ata.o
pci.o: driver/pci/pci.c
gcc $(CFLAGS) -c driver/pci/pci.c -o driver/pci/pci.o
ahci.o: driver/disk/ahci/ahci.c
gcc $(CFLAGS) -c driver/disk/ahci/ahci.c -o driver/disk/ahci/ahci.o
rtc.o: driver/timers/rtc/rtc.c
gcc $(CFLAGS) -c driver/timers/rtc/rtc.c -o driver/timers/rtc/rtc.o
HPET.o: driver/timers/HPET/HPET.c
gcc $(CFLAGS) -c driver/timers/HPET/HPET.c -o driver/timers/HPET/HPET.o
OBJ_LIST += uart.o
LD_LIST += driver/uart/uart.o
uart.o: driver/uart/uart.c
gcc $(CFLAGS) -c driver/uart/uart.c -o driver/uart/uart.o
all: kernel all: kernel
echo "Linking kernel..." echo "Linking kernel..."
ld -b elf64-x86-64 -z muldefs -o kernel head.o main.o $(shell find . -name "*.o") -T link.lds ld -b elf64-x86-64 -z muldefs -o kernel head.o main.o $(shell find . -name "*.o") -T link.lds
@ -140,14 +47,14 @@ all: kernel
# 重新链接 # 重新链接
echo "Re-Linking kernel..." echo "Re-Linking kernel..."
ld -b elf64-x86-64 -z muldefs -o kernel head.o main.o $(shell find . -name "*.o") ./debug/kallsyms.o -T link.lds ld -b elf64-x86-64 -z muldefs -o kernel head.o main.o $(shell find . -name "*.o") -T link.lds
echo "Generating kernel ELF file..." echo "Generating kernel ELF file..."
# 生成内核文件 # 生成内核文件
objcopy -I elf64-x86-64 -O elf64-x86-64 -R ".comment" -R ".eh_frame" kernel ../bin/kernel/kernel.elf objcopy -I elf64-x86-64 -O elf64-x86-64 -R ".comment" -R ".eh_frame" kernel ../bin/kernel/kernel.elf
echo "Done." echo "Done."
kernel: head.o entry.o main.o printk.o trap.o mm.o slab.o irq.o sched.o syscall.o multiboot2.o cpu.o acpi.o ps2_keyboard.o ps2_mouse.o ata.o pci.o ahci.o smp.o apu_boot.o rtc.o HPET.o softirq.o $(OBJ_LIST) kernel: head.o main.o $(OBJ_LIST)
@list='$(kernel_subdirs)'; for subdir in $$list; do \ @list='$(kernel_subdirs)'; for subdir in $$list; do \
echo "make all in $$subdir";\ echo "make all in $$subdir";\

17
kernel/arch/Makefile Normal file
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@ -0,0 +1,17 @@
CFLAGS += -I .
ifeq ($(ARCH), __x86_64__)
kernel_arch_subdirs:=x86_64
endif
all:
@list='$(kernel_arch_subdirs)'; for subdir in $$list; do \
echo "make all in $$subdir";\
cd $$subdir;\
$(MAKE) all CFLAGS="$(CFLAGS)" PIC="$(PIC)";\
cd ..;\
done
clean:
echo "Done."

7
kernel/arch/x86_64/Makefile Normal file
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@ -0,0 +1,7 @@
CFLAGS += -I .
all: x86_64_ipi.o
x86_64_ipi.o: x86_64_ipi.c
gcc $(CFLAGS) -c x86_64_ipi.c -o x86_64_ipi.o

8
kernel/common/Makefile
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@ -3,7 +3,7 @@ CFLAGS += -I .
kernel_common_subdirs:=libELF math kernel_common_subdirs:=libELF math
all: glib.o all: glib.o printk.o cpu.o
@list='$(kernel_common_subdirs)'; for subdir in $$list; do \ @list='$(kernel_common_subdirs)'; for subdir in $$list; do \
echo "make all in $$subdir";\ echo "make all in $$subdir";\
cd $$subdir;\ cd $$subdir;\
@ -13,3 +13,9 @@ all: glib.o
glib.o: glib.c glib.o: glib.c
gcc $(CFLAGS) -c glib.c -o glib.o gcc $(CFLAGS) -c glib.c -o glib.o
printk.o: printk.c
gcc $(CFLAGS) -c printk.c -o printk.o
cpu.o: cpu.c
gcc $(CFLAGS) -c cpu.c -o cpu.o

2
kernel/driver/Makefile
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@ -1,7 +1,7 @@
CFLAGS += -I . CFLAGS += -I .
kernel_driver_subdirs:=video interrupt usb kernel_driver_subdirs:=video interrupt usb pci uart acpi disk keyboard mouse multiboot2 timers
all: all:
@list='$(kernel_driver_subdirs)'; for subdir in $$list; do \ @list='$(kernel_driver_subdirs)'; for subdir in $$list; do \

8
kernel/driver/acpi/Makefile Normal file
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@ -0,0 +1,8 @@
all: acpi.o
CFLAGS += -I .
acpi.o: acpi.c
gcc $(CFLAGS) -c acpi.c -o acpi.o

10
kernel/driver/disk/Makefile Normal file
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@ -0,0 +1,10 @@
all: ata.o ahci.o
CFLAGS += -I .
ata.o: ata.c
gcc $(CFLAGS) -c ata.c -o ata.o
ahci.o: ahci/ahci.c
gcc $(CFLAGS) -c ahci/ahci.c -o ahci/ahci.o

8
kernel/driver/keyboard/Makefile Normal file
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@ -0,0 +1,8 @@
all: ps2_keyboard.o
CFLAGS += -I .
ps2_keyboard.o: ps2_keyboard.c
gcc $(CFLAGS) -c ps2_keyboard.c -o ps2_keyboard.o

8
kernel/driver/mouse/Makefile Normal file
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@ -0,0 +1,8 @@
all: ps2_mouse.o
CFLAGS += -I .
ps2_mouse.o: ps2_mouse.c
gcc $(CFLAGS) -c ps2_mouse.c -o ps2_mouse.o

7
kernel/driver/multiboot2/Makefile Normal file
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@ -0,0 +1,7 @@
all: multiboot2.o
CFLAGS += -I .
multiboot2.o: multiboot2.c
gcc $(CFLAGS) -c multiboot2.c -o multiboot2.o

11
kernel/driver/pci/Makefile Normal file
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@ -0,0 +1,11 @@
all: pci.o msi.o
CFLAGS += -I .
pci.o: pci.c
gcc $(CFLAGS) -c pci.c -o pci.o
msi.o: msi.c
gcc $(CFLAGS) -c msi.c -o msi.o

229
kernel/driver/pci/msi.c Normal file
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@ -0,0 +1,229 @@
#include "msi.h"
#include "pci.h"
/**
* @brief 生成架构相关的msi的message address
*
*/
#define pci_get_arch_msi_message_address(processor) ((uint64_t)(0xfee00000UL | (processor << 12)))
/**
* @brief 生成架构相关的message data
*
*/
#define pci_get_arch_msi_message_data(vector, processor, edge_trigger, assert) ((uint32_t)((vector & 0xff) | (edge_trigger == 1 ? 0 : (1 << 15)) | ((assert == 0) ? 0 : (1 << 14))))
/**
* @brief 启用 Message Signaled Interrupts
*
* @param header 设备header
* @param vector 中断向量号
* @param processor 要投递到的处理器
* @param edge_trigger 是否边缘触发
* @param assert 是否高电平触发
*
* @return 返回码
*/
int pci_enable_msi(void *header, uint8_t vector, uint32_t processor, uint8_t edge_trigger, uint8_t assert)
{
struct pci_device_structure_header_t *ptr = (struct pci_device_structure_header_t *)header;
uint32_t cap_ptr;
uint32_t tmp;
uint16_t message_control;
uint64_t message_addr;
switch (ptr->HeaderType)
{
case 0x00: // general device
if (!(ptr->Status & 0x10))
return E_NOT_SUPPORT_MSI;
cap_ptr = ((struct pci_device_structure_general_device_t *)ptr)->Capabilities_Pointer;
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
message_control = (tmp >> 16) & 0xffff;
if (tmp & 0xff != 0x5)
return E_NOT_SUPPORT_MSI;
// 写入message address
message_addr = pci_get_arch_msi_message_address(processor); // 获取message address
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr + 0x4, (uint32_t)(message_addr & 0xffffffff));
if (message_control & (1 << 7)) // 64位
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr + 0x8, (uint32_t)((message_addr >> 32) & 0xffffffff));
// 写入message data
tmp = pci_get_arch_msi_message_data(vector, processor, edge_trigger, assert);
if (message_control & (1 << 7)) // 64位
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr + 0xc, tmp);
else
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr + 0x8, tmp);
// 使能msi
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
tmp |= (1 << 16);
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr, tmp);
break;
case 0x01: // pci to pci bridge
if (!(ptr->Status & 0x10))
return E_NOT_SUPPORT_MSI;
cap_ptr = ((struct pci_device_structure_pci_to_pci_bridge_t *)ptr)->Capability_Pointer;
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
message_control = (tmp >> 16) & 0xffff;
if (tmp & 0xff != 0x5)
return E_NOT_SUPPORT_MSI;
// 写入message address
message_addr = pci_get_arch_msi_message_address(processor); // 获取message address
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr + 0x4, (uint32_t)(message_addr & 0xffffffff));
if (message_control & (1 << 7)) // 64位
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr + 0x8, (uint32_t)((message_addr >> 32) & 0xffffffff));
// 写入message data
tmp = pci_get_arch_msi_message_data(vector, processor, edge_trigger, assert);
if (message_control & (1 << 7)) // 64位
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr + 0xc, tmp);
else
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr + 0x8, tmp);
// 使能msi
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
tmp |= (1 << 16);
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr, tmp);
break;
case 0x02: // pci to card bus bridge
return E_NOT_SUPPORT_MSI;
break;
default: // 不应该到达这里
return E_WRONG_HEADER_TYPE;
break;
}
return 0;
}
/**
* @brief 在已配置好msi寄存器的设备上，使能msi
*
* @param header 设备头部
* @return int 返回码
*/
int pci_start_msi(void *header)
{
struct pci_device_structure_header_t *ptr = (struct pci_device_structure_header_t *)header;
uint32_t cap_ptr;
uint32_t tmp;
switch (ptr->HeaderType)
{
case 0x00: // general device
if (!(ptr->Status & 0x10))
return E_NOT_SUPPORT_MSI;
cap_ptr = ((struct pci_device_structure_general_device_t *)ptr)->Capabilities_Pointer;
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
if (tmp & 0xff != 0x5)
return E_NOT_SUPPORT_MSI;
// 使能msi
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
tmp |= (1 << 16);
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr, tmp);
break;
case 0x01: // pci to pci bridge
if (!(ptr->Status & 0x10))
return E_NOT_SUPPORT_MSI;
cap_ptr = ((struct pci_device_structure_pci_to_pci_bridge_t *)ptr)->Capability_Pointer;
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
if (tmp & 0xff != 0x5)
return E_NOT_SUPPORT_MSI;
//使能msi
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
tmp |= (1 << 16);
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr, tmp);
break;
case 0x02: // pci to card bus bridge
return E_NOT_SUPPORT_MSI;
break;
default: // 不应该到达这里
return E_WRONG_HEADER_TYPE;
break;
}
return 0;
}
/**
* @brief 禁用指定设备的msi
*
* @param header pci header
* @return int
*/
int pci_disable_msi(void *header)
{
struct pci_device_structure_header_t *ptr = (struct pci_device_structure_header_t *)header;
uint32_t cap_ptr;
uint32_t tmp;
switch (ptr->HeaderType)
{
case 0x00: // general device
if (!(ptr->Status & 0x10))
return E_NOT_SUPPORT_MSI;
cap_ptr = ((struct pci_device_structure_general_device_t *)ptr)->Capabilities_Pointer;
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
if (tmp & 0xff != 0x5)
return E_NOT_SUPPORT_MSI;
// 禁用msi
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
tmp &= (~(1 << 16));
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr, tmp);
break;
case 0x01: // pci to pci bridge
if (!(ptr->Status & 0x10))
return E_NOT_SUPPORT_MSI;
cap_ptr = ((struct pci_device_structure_pci_to_pci_bridge_t *)ptr)->Capability_Pointer;
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
if (tmp & 0xff != 0x5)
return E_NOT_SUPPORT_MSI;
//禁用msi
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
tmp &= (~(1 << 16));
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr, tmp);
break;
case 0x02: // pci to card bus bridge
return E_NOT_SUPPORT_MSI;
break;
default: // 不应该到达这里
return E_WRONG_HEADER_TYPE;
break;
}
return 0;
}

32
kernel/driver/pci/msi.h Normal file
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@ -0,0 +1,32 @@
#pragma once
#include <common/glib.h>
/**
* @brief 启用 Message Signaled Interrupts
*
* @param header 设备header
* @param vector 中断向量号
* @param processor 要投递到的处理器
* @param edge_trigger 是否边缘触发
* @param assert 是否高电平触发
*
* @return 返回码
*/
int pci_enable_msi(void * header, uint8_t vector, uint32_t processor, uint8_t edge_trigger, uint8_t assert);
/**
* @brief 禁用指定设备的msi
*
* @param header pci header
* @return int
*/
int pci_disable_msi(void *header);
/**
* @brief 在已配置好msi寄存器的设备上，使能msi
*
* @param header 设备头部
* @return int 返回码
*/
int pci_start_msi(void *header);

224
kernel/driver/pci/pci.c
View File

@ -26,17 +26,6 @@ static void pci_checkBus(uint8_t bus);
} \ } \
} while (0) } while (0)
/**
* @brief 生成架构相关的msi的message address
*
*/
#define pci_get_arch_msi_message_address(processor) ((uint64_t)(0xfee00000UL | (processor << 12)))
/**
* @brief 生成架构相关的message data
*
*/
#define pci_get_arch_msi_message_data(vector, processor, edge_trigger, assert) ((uint32_t)((vector & 0xff) | (edge_trigger == 1 ? 0 : (1 << 15)) | ((assert == 0) ? 0 : (1 << 14))))
/** /**
* @brief 从pci配置空间读取信息 * @brief 从pci配置空间读取信息
@ -479,219 +468,6 @@ void pci_init()
kinfo("PCI bus initialized.") kinfo("PCI bus initialized.")
} }
/**
* @brief 启用 Message Signaled Interrupts
*
* @param header 设备header
* @param vector 中断向量号
* @param processor 要投递到的处理器
* @param edge_trigger 是否边缘触发
* @param assert 是否高电平触发
*
* @return 返回码
*/
int pci_enable_msi(void *header, uint8_t vector, uint32_t processor, uint8_t edge_trigger, uint8_t assert)
{
struct pci_device_structure_header_t *ptr = (struct pci_device_structure_header_t *)header;
uint32_t cap_ptr;
uint32_t tmp;
uint16_t message_control;
uint64_t message_addr;
switch (ptr->HeaderType)
{
case 0x00: // general device
if (!(ptr->Status & 0x10))
return E_NOT_SUPPORT_MSI;
cap_ptr = ((struct pci_device_structure_general_device_t *)ptr)->Capabilities_Pointer;
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
message_control = (tmp >> 16) & 0xffff;
if (tmp & 0xff != 0x5)
return E_NOT_SUPPORT_MSI;
// 写入message address
message_addr = pci_get_arch_msi_message_address(processor); // 获取message address
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr + 0x4, (uint32_t)(message_addr & 0xffffffff));
if (message_control & (1 << 7)) // 64位
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr + 0x8, (uint32_t)((message_addr >> 32) & 0xffffffff));
// 写入message data
tmp = pci_get_arch_msi_message_data(vector, processor, edge_trigger, assert);
if (message_control & (1 << 7)) // 64位
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr + 0xc, tmp);
else
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr + 0x8, tmp);
// 使能msi
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
tmp |= (1 << 16);
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr, tmp);
break;
case 0x01: // pci to pci bridge
if (!(ptr->Status & 0x10))
return E_NOT_SUPPORT_MSI;
cap_ptr = ((struct pci_device_structure_pci_to_pci_bridge_t *)ptr)->Capability_Pointer;
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
message_control = (tmp >> 16) & 0xffff;
if (tmp & 0xff != 0x5)
return E_NOT_SUPPORT_MSI;
// 写入message address
message_addr = pci_get_arch_msi_message_address(processor); // 获取message address
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr + 0x4, (uint32_t)(message_addr & 0xffffffff));
if (message_control & (1 << 7)) // 64位
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr + 0x8, (uint32_t)((message_addr >> 32) & 0xffffffff));
// 写入message data
tmp = pci_get_arch_msi_message_data(vector, processor, edge_trigger, assert);
if (message_control & (1 << 7)) // 64位
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr + 0xc, tmp);
else
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr + 0x8, tmp);
// 使能msi
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
tmp |= (1 << 16);
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr, tmp);
break;
case 0x02: // pci to card bus bridge
return E_NOT_SUPPORT_MSI;
break;
default: // 不应该到达这里
return E_WRONG_HEADER_TYPE;
break;
}
return 0;
}
/**
* @brief 在已配置好msi寄存器的设备上，使能msi
*
* @param header 设备头部
* @return int 返回码
*/
int pci_start_msi(void *header)
{
struct pci_device_structure_header_t *ptr = (struct pci_device_structure_header_t *)header;
uint32_t cap_ptr;
uint32_t tmp;
switch (ptr->HeaderType)
{
case 0x00: // general device
if (!(ptr->Status & 0x10))
return E_NOT_SUPPORT_MSI;
cap_ptr = ((struct pci_device_structure_general_device_t *)ptr)->Capabilities_Pointer;
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
if (tmp & 0xff != 0x5)
return E_NOT_SUPPORT_MSI;
// 使能msi
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
tmp |= (1 << 16);
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr, tmp);
break;
case 0x01: // pci to pci bridge
if (!(ptr->Status & 0x10))
return E_NOT_SUPPORT_MSI;
cap_ptr = ((struct pci_device_structure_pci_to_pci_bridge_t *)ptr)->Capability_Pointer;
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
if (tmp & 0xff != 0x5)
return E_NOT_SUPPORT_MSI;
//使能msi
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
tmp |= (1 << 16);
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr, tmp);
break;
case 0x02: // pci to card bus bridge
return E_NOT_SUPPORT_MSI;
break;
default: // 不应该到达这里
return E_WRONG_HEADER_TYPE;
break;
}
return 0;
}
/**
* @brief 禁用指定设备的msi
*
* @param header pci header
* @return int
*/
int pci_disable_msi(void *header)
{
struct pci_device_structure_header_t *ptr = (struct pci_device_structure_header_t *)header;
uint32_t cap_ptr;
uint32_t tmp;
switch (ptr->HeaderType)
{
case 0x00: // general device
if (!(ptr->Status & 0x10))
return E_NOT_SUPPORT_MSI;
cap_ptr = ((struct pci_device_structure_general_device_t *)ptr)->Capabilities_Pointer;
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
if (tmp & 0xff != 0x5)
return E_NOT_SUPPORT_MSI;
// 禁用msi
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
tmp &= (~(1 << 16));
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr, tmp);
break;
case 0x01: // pci to pci bridge
if (!(ptr->Status & 0x10))
return E_NOT_SUPPORT_MSI;
cap_ptr = ((struct pci_device_structure_pci_to_pci_bridge_t *)ptr)->Capability_Pointer;
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
if (tmp & 0xff != 0x5)
return E_NOT_SUPPORT_MSI;
//禁用msi
tmp = pci_read_config(ptr->bus, ptr->device, ptr->func, cap_ptr); // 读取cap+0x0处的值
tmp &= (~(1 << 16));
pci_write_config(ptr->bus, ptr->device, ptr->func, cap_ptr, tmp);
break;
case 0x02: // pci to card bus bridge
return E_NOT_SUPPORT_MSI;
break;
default: // 不应该到达这里
return E_WRONG_HEADER_TYPE;
break;
}
return 0;
}
/** /**
* @brief 获取 device structure * @brief 获取 device structure

27
kernel/driver/pci/pci.h
View File

@ -205,34 +205,7 @@ void* pci_read_header(int *type, uchar bus, uchar slot, uchar func, bool add_to_
*/ */
void pci_checkAllBuses(); void pci_checkAllBuses();
/**
* @brief 启用 Message Signaled Interrupts
*
* @param header 设备header
* @param vector 中断向量号
* @param processor 要投递到的处理器
* @param edge_trigger 是否边缘触发
* @param assert 是否高电平触发
*
* @return 返回码
*/
int pci_enable_msi(void * header, uint8_t vector, uint32_t processor, uint8_t edge_trigger, uint8_t assert);
/**
* @brief 禁用指定设备的msi
*
* @param header pci header
* @return int
*/
int pci_disable_msi(void *header);
/**
* @brief 在已配置好msi寄存器的设备上，使能msi
*
* @param header 设备头部
* @return int 返回码
*/
int pci_start_msi(void *header);
/** /**
* @brief 获取 device structure * @brief 获取 device structure

10
kernel/driver/timers/Makefile Normal file
View File

@ -0,0 +1,10 @@
all: rtc.o HPET.o
CFLAGS += -I .
rtc.o: rtc/rtc.c
gcc $(CFLAGS) -c rtc/rtc.c -o rtc/rtc.o
HPET.o: HPET/HPET.c
gcc $(CFLAGS) -c HPET/HPET.c -o HPET/HPET.o

7
kernel/driver/uart/Makefile Normal file
View File

@ -0,0 +1,7 @@
all: uart.o
CFLAGS += -I .
uart.o: uart.c
gcc $(CFLAGS) -c uart.c -o uart.o

1
kernel/driver/usb/xhci/xhci.h
View File

@ -1,6 +1,7 @@
#pragma once #pragma once
#include <driver/usb/usb.h> #include <driver/usb/usb.h>
#include <driver/pci/pci.h> #include <driver/pci/pci.h>
#include <driver/pci/msi.h>
#define XHCI_MAX_HOST_CONTROLLERS 4 // 本驱动程序最大支持4个xhci root hub controller #define XHCI_MAX_HOST_CONTROLLERS 4 // 本驱动程序最大支持4个xhci root hub controller
#define XHCI_MAX_ROOT_HUB_PORTS 128 // 本驱动程序最大支持127个root hub 端口（第0个保留） #define XHCI_MAX_ROOT_HUB_PORTS 128 // 本驱动程序最大支持127个root hub 端口（第0个保留）

18
kernel/exception/Makefile Normal file
View File

@ -0,0 +1,18 @@
CFLAGS += -I .
all: entry.o irq.o softirq.o trap.o
entry.o: entry.S
gcc -E entry.S > entry.s
as $(ASFLAGS) -o entry.o entry.s
trap.o: trap.c
gcc $(CFLAGS) -c trap.c -o trap.o
softirq.o: softirq.c
gcc $(CFLAGS) -c softirq.c -o softirq.o
irq.o: irq.c
gcc $(CFLAGS) -c irq.c -o irq.o

12
kernel/mm/Makefile Normal file
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@ -0,0 +1,12 @@
CFLAGS += -I .
all:mm.o slab.o
mm.o: mm.c
gcc $(CFLAGS) -c mm.c -o mm.o
slab.o: slab.c
gcc $(CFLAGS) -c slab.c -o slab.o

8
kernel/sched/Makefile Normal file
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@ -0,0 +1,8 @@
CFLAGS += -I .
all: sched.o
sched.o: sched.c
gcc $(CFLAGS) -c sched.c -o sched.o

13
kernel/smp/Makefile Normal file
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@ -0,0 +1,13 @@
CFLAGS += -I .
all: apu_boot.o smp.o
apu_boot.o: apu_boot.S
gcc -E apu_boot.S > apu_boot.s # 预处理
as $(ASFLAGS) -o apu_boot.o apu_boot.s
smp.o: smp.c
gcc $(CFLAGS) -c smp.c -o smp.o

8
kernel/syscall/Makefile Normal file
View File

@ -0,0 +1,8 @@
CFLAGS += -I .
all: syscall.o
syscall.o: syscall.c
gcc $(CFLAGS) -c syscall.c -o syscall.o