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clean-up

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This commit is contained in:
Adrien Bourmault 2019-03-29 10:29:05 +01:00
parent 5322ec0717
commit 929b399f33
6 changed files with 66 additions and 39 deletions
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21
Makefile
View File

@ -192,20 +192,25 @@ $(KOBJDIR)/kernel/sched.o: $(KERNELDIR)/kernel/proc/sched.c $(KERNELDIR)/include
.PHONY: test
test: all
@qemu-system-x86_64 -m 5G -mem-prealloc -hda build/bin/disk.img -d cpu_reset,guest_errors,pcall,int 2> qemu.log &
@ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 64 > loader_disasm64.asm
@ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 32 > loader_disasm32.asm
@qemu-system-x86_64 -m 5G -mem-prealloc -hda build/bin/disk.img \
-d cpu_reset,guest_errors,pcall,int 2> qemu.log &
.PHONY: test32
test32: all
@qemu-system-i386 -hda build/bin/disk.img -d cpu_reset,guest_errors,pcall,int 2> qemu.log &
@ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 64 > loader_disasm64.asm
@ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 32 > loader_disasm32.asm
.PHONY: debug
debug: all
@qemu-system-x86_64 -m 5G -hda build/bin/disk.img -d cpu_reset,guest_errors,pcall,int -s -S 2> qemu.log &
@ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 64 > loader_disasm64.asm
@ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 32 > loader_disasm32.asm
@qemu-system-x86_64 -m 64M -hda build/bin/disk.img -no-reboot \
-no-shutdown -mem-path memdump.bin -mem-prealloc -d cpu_reset,guest_errors,pcall,int 2> qemu.log &
@ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 64 > kaleid64_disasm.asm
@ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 32 > kaleid32_disasm.asm
.PHONY: gdb
gdb: all
@qemu-system-x86_64 -m 64M -hda build/bin/disk.img -no-reboot \
-no-shutdown -mem-path memdump.bin -d cpu_reset,guest_errors,pcall,int -s -S 2> qemu.log &
@ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 64 > kaleid64_disasm.asm
@ndisasm $(BINDIR)/kaleid -o 0x00100000 -b 32 > kaleid32_disasm.asm
.PHONY: install_mbr
install_mbr: $(BINDIR)/disk.img $(MBRDIR)/grub.cfg

7
kaleid/include/kernel/cpu.h
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@ -31,13 +31,6 @@
// -------------------------------------------------------------------------- //
#define KeCPUID(in, a, b, c, d) asm("cpuid" \
: "=a" (a), "=b" (b), "=c" (c), "=d" (d) \
: "a" (in) \
);
// -------------------------------------------------------------------------- //
// CPU features masks
enum {
FEAT_ECX_SSE3 = 1 << 0,

5
kaleid/include/kernel/mm.h
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@ -22,7 +22,9 @@
// along with OS/K. If not, see <https://www.gnu.org/licenses/>. //
//----------------------------------------------------------------------------//
#ifndef _KALKERN_BASE_H
#include <kernel/base.h>
#endif
#define MINIMUM_RAM_SIZE 16 // Mio, the minimum RAM size.
@ -32,7 +34,6 @@
#define NVS_ZONE 4 // Dunno
#define BADRAM_ZONE 5 // Invalid zone because material problem...
#define MAX_ENTRIES 2048 // Max number of memory map entries
// -------------------------------------------------------------------------- //
typedef struct MemoryMap_t MemoryMap_t;
@ -80,7 +81,7 @@ struct GdtPtr_t
//
// Initializes the memory map structure
//
error_t MmInitMemoryMap(void);
void MmInitMemoryMap(void);
//
// Returns the size of the first available memory zone

29
kaleid/kernel/init/init.c
View File

@ -30,6 +30,18 @@
#include <kernel/buf.h>
#include <kernel/mm.h>
void func(void)
{
void* p = NULL;
KernLog("%p ", (void*)&p);
for (int i = 0; i < 50; i++) { ; }
func();
}
//
// BootInfo_t initialization. It is necessary because grub will potentially be
// wiped since it is below 1MB.... And we must reorganize all that stuff.
@ -116,8 +128,6 @@ extern void pstest(void);
//
noreturn void BtStartKern(multiboot_info_t *mbInfo, int mbMagic)
{
error_t mapBad;
// We're not ready to deal with interrupts
KeDisableIRQs();
@ -131,20 +141,23 @@ noreturn void BtStartKern(multiboot_info_t *mbInfo, int mbMagic)
KernLog("%c%c%c OS/K\n\n", 219, 219, 219);
KalAlwaysAssert(mbMagic == MULTIBOOT_BOOTLOADER_MAGIC);
KernLog("[Init] Kernel successfully loaded at %p with %x magic\n\n",
KernLog("[Init] Kernel successfully loaded at %p with %x magic\n"
" and it uses %d Kio\n\n",
BtGetBootInfo(btldr).kernelAddr,
mbMagic
mbMagic,
(BtGetBootInfo(btldr).kernelEndAddr - BtGetBootInfo(btldr).kernelAddr)
/ KB
);
//Memory mapping
if ((mapBad = MmInitMemoryMap()))
KeStartPanic("[Init] The memory map failed to initialize. Error : %d",
mapBad
);
MmInitMemoryMap();
MmInitHeap();
PsInitSched();
func();
//Buffer_t *buf = BOpenLineBuf(NULL, BS_WRONLY, 80, 24, 1, NULL);
//error_t rc = BPrintOnBuf(buf, "%+#05x", 0xcafeb00b);
//if(rc)KernLog("error\n");

27
kaleid/kernel/mm/gdt.c
View File

@ -28,18 +28,7 @@
GdtEntry_t gdtEntries[5];
GdtPtr_t gdtPtr;
void MmInitGdt(void)
{
gdtPtr.limit = (sizeof(GdtEntry_t) * 5) - 1;
gdtPtr.base = (uint)(ullong)&gdtEntries;
/* XXX set TSS register */
//MmLoadGdt(&gdtPtr);
}
static void MmSetGdtEntry(int index, uint base, uint limit, uchar access,
static void SetGdtEntry(int index, uint base, uint limit, uchar access,
uchar granularity)
{
gdtEntries[index].lowBase = (base & 0xFFFF);
@ -53,3 +42,17 @@ static void MmSetGdtEntry(int index, uint base, uint limit, uchar access,
gdtEntries[index].access = access;
}
void MmInitGdt(void)
{
gdtPtr.limit = (sizeof(GdtEntry_t) * 5) - 1;
gdtPtr.base = (uint)(ullong)&gdtEntries;
/* XXX set TSS register */
//MmLoadGdt(&gdtPtr);
}

16
kaleid/kernel/mm/map.c
View File

@ -26,14 +26,26 @@
#include <kernel/term.h>
#include <kernel/mboot.h>
// Initializes globally the memory map
MemoryMap_t memoryMap = { 0 };
static error_t InitMemoryMap(void);
//
// Initilization of the memory map, and computation of the available ram size
//
error_t MmInitMemoryMap(void)
void MmInitMemoryMap(void)
{
error_t rc;
if ((rc = InitMemoryMap()))
KeStartPanic("[Init] The memory map failed to initialize. Error : %d",
rc
);
}
static error_t InitMemoryMap(void)
{
multiboot_memory_map_t *currentEntry;
multiboot_memory_map_t *mapEnd;