From fc9954747183df366d5dca5102229656d012d450 Mon Sep 17 00:00:00 2001
From: Matthias Kruk <m@m10k.eu>
Date: Wed, 4 Sep 2019 00:12:59 +0900
Subject: [PATCH] Remove object files that were added in error; add current
 state of the source

---
 Makefile                |   8 +++---
 config.h                |   2 +-
 kernel/arch/apic.o      | Bin 1332 -> 0 bytes
 kernel/arch/arch.o      | Bin 18956 -> 0 bytes
 kernel/arch/boot.S      |   1 +
 kernel/arch/boot.o      | Bin 632 -> 0 bytes
 kernel/arch/cpu.o       | Bin 2348 -> 0 bytes
 kernel/arch/cpu32.o     | Bin 616 -> 0 bytes
 kernel/arch/debug.o     | Bin 8496 -> 0 bytes
 kernel/arch/defs.h      |   2 +-
 kernel/arch/entry.o     | Bin 2372 -> 0 bytes
 kernel/arch/i8259.S     |  10 +++++--
 kernel/arch/i8259.o     | Bin 796 -> 0 bytes
 kernel/arch/init.S      |  61 ++++++++++++++++++++++++++++++++--------
 kernel/arch/init.o      | Bin 3300 -> 0 bytes
 kernel/arch/interrupt.c |   5 ++--
 kernel/arch/interrupt.o | Bin 3204 -> 0 bytes
 kernel/arch/paging.c    |  13 +++++----
 kernel/arch/paging.o    | Bin 4064 -> 0 bytes
 kernel/arch/task.S      |   4 ++-
 kernel/arch/task.o      | Bin 764 -> 0 bytes
 kernel/core/core.o      | Bin 3196 -> 0 bytes
 kernel/core/main.c      |  31 ++++++++++++--------
 kernel/core/main.o      | Bin 3192 -> 0 bytes
 24 files changed, 97 insertions(+), 40 deletions(-)
 delete mode 100644 kernel/arch/apic.o
 delete mode 100644 kernel/arch/arch.o
 delete mode 100644 kernel/arch/boot.o
 delete mode 100644 kernel/arch/cpu.o
 delete mode 100644 kernel/arch/cpu32.o
 delete mode 100644 kernel/arch/debug.o
 delete mode 100644 kernel/arch/entry.o
 delete mode 100644 kernel/arch/i8259.o
 delete mode 100644 kernel/arch/init.o
 delete mode 100644 kernel/arch/interrupt.o
 delete mode 100644 kernel/arch/paging.o
 delete mode 100644 kernel/arch/task.o
 delete mode 100644 kernel/core/core.o
 delete mode 100644 kernel/core/main.o

diff --git a/Makefile b/Makefile
index 7782996..f463b6e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,15 +1,15 @@
 DEPS = kernel
 OUTPUT = corax
 PHONY = $(DEPS) clean qemu
-LAYOUT = $(shell setxkbmap -query | sed -nE 's/^layout:.*?([a-z]{2})$/\1/p')
+#LAYOUT = $(shell setxkbmap -query | sed -nE 's/^layout:.*?([a-z]{2})$/\1/p')
 
-foo:
-	$(eval setxkbmap -query | sed -nE 's/^layout:.*?([a-z]{2})$/\1/p')
+#foo:
+#	$(eval setxkbmap -query | sed -nE 's/^layout:.*?([a-z]{2})$/\1/p')
 
 all: $(OUTPUT)
 
 qemu:
-	qemu-system-x86_64 -k ja -kernel $(OUTPUT) -m 512
+	qemu-system-i386 -k ja -kernel $(OUTPUT) -m 128 -display gtk
 
 $(OUTPUT): $(DEPS)
 	mv kernel/corax $(OUTPUT)
diff --git a/config.h b/config.h
index d0d930f..69b7f4f 100644
--- a/config.h
+++ b/config.h
@@ -22,7 +22,7 @@
 #define CONFIG_KERNEL_STACK_SIZE    4096
 #define CONFIG_USER_STACK_SIZE      4096
 
-#define CONFIG_APIC     1
+#define CONFIG_APIC     0
 
 #define CONFIG_SMP      0
 #define CONFIG_SMP_CPUS 1
diff --git a/kernel/arch/apic.o b/kernel/arch/apic.o
deleted file mode 100644
index 78dd5e0cbc240101035e2c3f88f8e65a0d924f12..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

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diff --git a/kernel/arch/arch.o b/kernel/arch/arch.o
deleted file mode 100644
index b02a94bff5f2b95a3d2cdddb5c1f000f1b9cff57..0000000000000000000000000000000000000000
GIT binary patch
literal 0
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diff --git a/kernel/arch/boot.S b/kernel/arch/boot.S
index 7e53bf1..41b8551 100644
--- a/kernel/arch/boot.S
+++ b/kernel/arch/boot.S
@@ -38,6 +38,7 @@ loader:
     cli
     movl    $_cpu, %esp
     addl    $STACK0_TOP, %esp
+	movl    %esp, %ebp
     pushl   %eax
     pushl   %ebx
     call    corax
diff --git a/kernel/arch/boot.o b/kernel/arch/boot.o
deleted file mode 100644
index 18094ccd7b8edbf0a79aab92052f200f506575bf..0000000000000000000000000000000000000000
GIT binary patch
literal 0
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diff --git a/kernel/arch/cpu.o b/kernel/arch/cpu.o
deleted file mode 100644
index b4a094a458345773907b29eb98d1aaff0a4e82ef..0000000000000000000000000000000000000000
GIT binary patch
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diff --git a/kernel/arch/cpu32.o b/kernel/arch/cpu32.o
deleted file mode 100644
index 3562e2dbdad174d356484f394968fd86ccd8e9f6..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

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diff --git a/kernel/arch/debug.o b/kernel/arch/debug.o
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DsUN@F

diff --git a/kernel/arch/defs.h b/kernel/arch/defs.h
index bf52790..72e9903 100644
--- a/kernel/arch/defs.h
+++ b/kernel/arch/defs.h
@@ -193,6 +193,6 @@
  * 0x200  = IF
  * 0x400  = DF
  * 0x800  = OF
- * 0x1000 = 
+ * 0x1000 =
  */
 #endif /* __DEFS_H */
diff --git a/kernel/arch/entry.o b/kernel/arch/entry.o
deleted file mode 100644
index fb3c37a79d6a5745e2051d4ee220018115023154..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 2372
zcmai$U5HF!7{}k)uNka07Ue6VC2Y1mV=T(|*tI@)eJg3qGHY#SRx^hzE6K+d<APF3
zxgr-*av@w;wiLpJq`1J<zP%+Eq)_Ys%sc1If4Ah_=6Qa<^S*PQXWnzp%${sq-xLT0
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zxP|;2cqjQKaGd-)xSjkqI7R*d?2<nNA19X^?F{*6@CEX(;LGH{!Pm$`*vlK_<KTD5
zr@`-&&xQArFM>ZOZ-l=g-vob0z8n6L`~X}Y9T{@H4#WGc=3TC}d<GdZe*ym8YTmEH
zf05sWV_AO4`g`CC@?LNy`73ZW`3LZL@_z6X@*m(D@{$sz=8%tq*OO0%H;~VUFD7q*
zuOyGbo5@?@E#z%*Z-fEqA%1L#tN4Mm8_y)OZdWF$;>n|X<H@v}>8>Ysh$F=Fh@-^w
zi5rL)5HBQNMC=SI%#|H3?Qm^}i#uH1;qngGcenwEJBXkI*%NOYd`2@qqZgmiiqGi8
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zM?pOQ;BvfVO&MPDZ^ev)d%s9ey%XTL3{Pvpvi^VTWIa8qst*Sa;Z4%7)RwyPd`oZM
bxqvE)$#e8ZukPp}>)zsX)XN(R!&~<k;(@=@

diff --git a/kernel/arch/i8259.S b/kernel/arch/i8259.S
index dce961a..82c4124 100644
--- a/kernel/arch/i8259.S
+++ b/kernel/arch/i8259.S
@@ -30,13 +30,17 @@ _i8259_init:
     call    dbg_printf
 
     /* TODO: initialise timer */
-/*  call    _i8259_getmask  */
+#if 0
+    call    _i8259_getmask
+#endif
     xorl    %eax, %eax
-    movw    $0xfffd, %ax
+
+	/* 0x0001 = timer, 0x0002 = kbd */
+	/* 0xfffd = mask all but kbd, 0xfffc = all but (timer | kbd) */
+    movw    $0xfffc, %ax
     movl    %eax, (%esp)
     call    _i8259_setmask
     addl    $4, %esp
-    sti
     ret
 
 .global _i8259_getmask
diff --git a/kernel/arch/i8259.o b/kernel/arch/i8259.o
deleted file mode 100644
index 02d25b687e61ad74df597e25519039ac58ef6051..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 796
zcmb<-^>JflWMqH=Mh0dE1doB?4wPd8R-nPa!NAUt0b;-S^Z);U!vkqM{{HV|Q33Os
zkFfkcY<S?w!nA`YIG!jT?sidOd8P>BJX;9nH2-j@5pVwCUoX`B!()R&4b!s)&lGlm
zOnc3`18Cg;!=8DWC7FpinZ=oT=?a+^My8eu0iMoWASJi~s*4$bK43;s%*?=o;wO*_
z9wZe4Kv@YCJ_Ca?kgow11IZf!*|JD{M<Cl2iO&$9l9V0~b}<8liq8c4g#jd5P?VWh
zk_HnlPA$nzEY5~;(^0vp`I%t1GBPnRumR0y0umx1njJ{!6<6k#Bqjmrk|GG50b>=V
z=IE8AR+KR4r6iUlGUz207eie~n34x70Yx*&J`e!Kbu^d-Az<l28p!1YVh4yY!xW$d
zDBM_q7^H>;h&g~*70QRjLO+m?9KJB~w4v%@>Xrlf$N;7eL<55Z4psnJ3xF8pUXa}&
ndj)_P<TjXDKqi9+P@@ls0R=Gg1c7{Hb!&hU1~5fH8m0~ai+^g?

diff --git a/kernel/arch/init.S b/kernel/arch/init.S
index 33ef2bf..ada755c 100644
--- a/kernel/arch/init.S
+++ b/kernel/arch/init.S
@@ -27,6 +27,7 @@
 .extern _kernel_cr3
 .extern pg_init
 .extern dbg_printf
+.extern dbg_panic
 
 .extern _i8259_init
 .extern _apic_init
@@ -136,13 +137,38 @@ _entries:
     .long _int_entry23
 #endif /* CONFIG_APIC */
 
+_dbg_regs_str:
+	.ascii "EAX = %08x EBX = %08x\n"
+	.ascii "ECX = %08x EDX = %08x\n"
+	.ascii "ESI = %08x EDI = %08x\n"
+	.asciz "ESP = %08x EBP = %08x\n"
+
 .section .text
+.globl _print_regs
+
+_print_regs:
+	pushl %ebp
+	pushl %esp
+	pushl %edi
+	pushl %esi
+	pushl %edx
+	pushl %ecx
+	pushl %ebx
+	pushl %eax
+	pushl $_dbg_regs_str
+	call  dbg_printf
+	addl  $36, %esp
+	ret
+
 arch_init:
+	call    _print_regs
+
     subl    $24, %esp
 
     movl    $_mem_start, %eax
     addl    $4, %eax
     movl    %eax, (_mem_start)
+
 /*
     movl    $_cpu, %eax
     addl    $GDT_OFFSET, %eax
@@ -160,7 +186,8 @@ arch_init:
     shll    $3, %eax
     movl    %eax, 8(%esp)
     call    memset
-*/
+	*/
+
     movl    $_cpu, %eax
     addl    $GDT_OFFSET, %eax
     movl    $0, (%eax)
@@ -231,19 +258,28 @@ arch_init:
     /* remap i8259 interrupts */
     movb    $0x11, %al
     outb    %al, $PIC1_COMM
-    outb    %al, $PIC2_COMM
-    movb    $PIC1_VECTOR0, %al
+	movb    $PIC1_VECTOR0, %al
     outb    %al, $PIC1_DATA
-    movb    $PIC2_VECTOR0, %al
-    outb    %al, $PIC2_DATA
     movb    $0x04, %al
     outb    %al, $PIC1_DATA
-    movb    $0x02, %al
-    outb    %al, $PIC2_DATA
     movb    $0x01, %al
     outb    %al, $PIC1_DATA
+
+	movb    $0x11, %al
+    outb    %al, $PIC2_COMM
+    movb    $PIC2_VECTOR0, %al
+    outb    %al, $PIC2_DATA
+    movb    $0x02, %al
+    outb    %al, $PIC2_DATA
+	movb    $0x01, %al
     outb    %al, $PIC2_DATA
+
+	movl    $128, %esi
+0:	subl    $1, %esi
     xorl    %eax, %eax
+	cmp     %esi, 0
+	jnz     0b
+
     outb    %al, $PIC1_DATA
     outb    %al, $PIC2_DATA
 
@@ -271,7 +307,7 @@ arch_init:
     addl    $8, (%esp)
     addl    $1, %esi
     jmp     0b
-    1:
+1:
 
     /*
     _idt_fill:
@@ -356,7 +392,7 @@ arch_init:
     0:
 #endif /* CONFIG_APIC */
     call    _i8259_init
-    1:
+1:
 
     popl    %ebx
     orl     %eax, %ebx
@@ -381,9 +417,12 @@ arch_init:
 
     movl    12(%esp), %eax
     addl    $16, %esp
-*/
+	*/
+
+	sti
+
+	call _print_regs
 
-    sti
     ret
 
 /*
diff --git a/kernel/arch/init.o b/kernel/arch/init.o
deleted file mode 100644
index fa772600260386468f9e41ed3aeb6036cb9a137b..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 3300
zcmds(-D@0G7{;GTChbO}o7z@Wt(wMdt+q+K+ooR>2_$NeqP-|usIW<sO}fy;Wp@It
zRGKm>hDy*PSfxm+y$I+<1cltFtEootM!b;RhzrF~Oz}cckxJw9%+Ac7oD2T|5A6Ql
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zR-i!D3O1(vt1ai*iNjS7SKWy@zfyUn?CnUlE%?{!{hRO_ldTp1+ty@TB`}%;qkIPg
zj3?X5fy<?aS^Y$ZXZ7<Z-~a0?)B)b=!0A#$fMbnwH|Lbq|7)zg<H09@9XCcj8df|L
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zmR_**FP8q@(#w`^GX8Y*m$AXpTP&Ti^kbHO%F@qT`naV>E&ZaUU$yiFOTTC74=o)$
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zHZzHBCKB7sBet1FY%`14W)iWjHq?X}S#7Azn6cG{+Kd@pZK%zd@zsXfjG4iTHe}2U
zGG+!DW-yW)$(FqSqKE82VGP+)Zg_;ZS#~g28Yt!q-U~%u;$-P`soK@<ZWM+YS9e^0
zAwLkB`F)wr{Z(5h9fyY_y{yGGVkhu4S+@tshAf0U7xDtBb<?5#EYv@Ve74u~6ZjGN
zY&=KG-wA2HJiJh!m8PF}r1t^8iTi;+!~=9Df2)BYPo73}AaNSQeEAa7e}%&{-a3&*
zw1_+xY!vSVTE!%g61jM*$Rf9kcL6)awE#<pLnllD4qt``#k+wn@gAT@r1M^J18_*Z
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zOp)5BH7-91epr5>>q(6a@2^j)X7C;PV;fiatI(hBKl#(%$RFDi_>KH6(w{jZf1){c
ponnTYczXsu<*%6^)e!ljiHi(4ZETGE=~*+^_3}PeZ=w;c`xobo5zGJp

diff --git a/kernel/arch/interrupt.c b/kernel/arch/interrupt.c
index 49d3768..05023fd 100644
--- a/kernel/arch/interrupt.c
+++ b/kernel/arch/interrupt.c
@@ -64,8 +64,8 @@ int _int_handle(stack_frame_t ctx)
     if(ctx.intn == INT_KEYBOARD) {
         extern struct cpu _cpu[CONFIG_SMP_CPUS];
 
-        dbg_printf("Rebooting...\n");
-
+        dbg_printf("Keyboard interrupt\n");
+#if 0
         /* hacky reboot: clear IDT entries for
          * #DF and #GP, then cause a #GP */
         _cpu[CPU_ID].cpu_idt[EXC_DOUBLEFAULT].sd_low = 0;
@@ -76,6 +76,7 @@ int _int_handle(stack_frame_t ctx)
         /* this is such a retarded thing to do, I don't see how this
          * could not cause a triple fault */
         asm volatile("ljmp $0x30, $0xfee00020"); /* LEEROY JENKINS!!! */
+#endif
     } else if(ctx.intn != INT_TIMER) {
 		dbg_printf("Interrupt %u occurred\n", ctx.intn);
 	}
diff --git a/kernel/arch/interrupt.o b/kernel/arch/interrupt.o
deleted file mode 100644
index c3b4f2b0c9cbac59998cd2eac598c4035fd80e3d..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 3204
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diff --git a/kernel/arch/paging.c b/kernel/arch/paging.c
index e3c9712..91b3ee6 100644
--- a/kernel/arch/paging.c
+++ b/kernel/arch/paging.c
@@ -131,9 +131,10 @@ void* pg_init(struct multiboot_info *info) {
     while((u32_t)mmap < (info->mmap_addr + info->mmap_length)) {
         u32_t attrs;
         u64_t addr;
-/*
-        dbg_printf("Region: 0x%016llx - 0x%016llx [%u]\n", mmap->addr, mmap->addr + mmap->len, mmap->type);
-*/
+#if 1
+        dbg_printf("Region: 0x%016llx - 0x%016llx [%u]\n",
+				   mmap->addr, mmap->addr + mmap->len, mmap->type);
+#endif
         attrs = PAGE_ATTR_SIZE | PAGE_ATTR_WRITABLE | PAGE_ATTR_PRESENT;
 
         /* disable caching on reserved memory areas */
@@ -152,7 +153,9 @@ void* pg_init(struct multiboot_info *info) {
 
                 pd = (page_table_t*)cr3;
 
-                for(addr = mmap->addr & ~(PAGE_SIZE_LARGE - 1); addr < (mmap->addr + mmap->len); addr += PAGE_SIZE_LARGE) {
+                for(addr = mmap->addr & ~(PAGE_SIZE_LARGE - 1);
+					addr < (mmap->addr + mmap->len);
+					addr += PAGE_SIZE_LARGE) {
                     pd->pt_entries[addr >> 22] = (u32_t)addr | attrs;
                 }
 
@@ -271,7 +274,7 @@ void* pg_init(struct multiboot_info *info) {
     */
     _kernel_cr3 = (u32_t)cr3;
 
-    dbg_printf("Enabling %s paging\n", _str_pg_mode[_pg_flags & 0x3]);
+    dbg_printf("Enabling %s paging\n", _str_pg_mode[_pg_flags & PG_MODE_MASK]);
 
     return((void*)(cr3 | _pg_flags));
 }
diff --git a/kernel/arch/paging.o b/kernel/arch/paging.o
deleted file mode 100644
index 7e5594ce157ae24814ca7b5c6ceaf19a7f2e394f..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 4064
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diff --git a/kernel/arch/task.S b/kernel/arch/task.S
index caf5d12..6a0360e 100644
--- a/kernel/arch/task.S
+++ b/kernel/arch/task.S
@@ -17,10 +17,12 @@
  */
 
 #define __ASSEMBLY_SOURCE
-	
+
 #include <config.h>
 #include "defs.h"
 
+#define CPU_SIZE (TSS_OFFSET + TSS_SIZE + 4)
+#define CUR_TASK (TSS_OFFSET + TSS_SIZE)
 .extern _cpu
 
 .global _task_prepare
diff --git a/kernel/arch/task.o b/kernel/arch/task.o
deleted file mode 100644
index 9e4cd055ad209bd5acbfb90e0ca2a37f77b6114e..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 764
zcma)4F-yZx5WbkywxG0bf`UOK7L_1a!ETXSQS2bCg;Ir>)<DGyC3&Jw4o>Ac_zPV1
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diff --git a/kernel/core/core.o b/kernel/core/core.o
deleted file mode 100644
index 3fb2790a0c198c88586878f81d8b1f604435f679..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 3196
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diff --git a/kernel/core/main.c b/kernel/core/main.c
index 85e8641..1667eda 100644
--- a/kernel/core/main.c
+++ b/kernel/core/main.c
@@ -91,7 +91,6 @@ int corax(void *mb_info, u32_t magic) {
 
 	u32_t p;
 /*
-    volatile register u64_t sysenter, sysexit;
 	void *ptr;
 
 	for(ptr = (void*)0xd0000; ptr < (void*)0xffffd; ptr++) {
@@ -115,6 +114,9 @@ int corax(void *mb_info, u32_t magic) {
 /*	void *ptr;*/
 
     arch_init(mb_info);
+
+	dbg_panic("fooooo", "baaaaar", __LINE__, "foobar");
+
 /*
     u64_t capabilities = cpu_get_capabilities();
     dbg_printf("CPUID.01h = 0x%016llx\n", capabilities);
@@ -123,15 +125,17 @@ int corax(void *mb_info, u32_t magic) {
         dbg_printf("This is cpu%u\n", cpu_get_id());
     }
 */
+#if 0
+	{
+		volatile register u64_t sysenter, sysexit;
 
-/*
-    sysenter = cpu_timestamp();
-    asm volatile("int $0xCC");
-    sysexit = cpu_timestamp();
-
-    dbg_printf("Syscall took %llu cycles\n", sysexit - sysenter);
-*/
+		sysenter = cpu_timestamp();
+		asm volatile("int $0xCC");
+		sysexit = cpu_timestamp();
 
+		dbg_printf("Syscall took %llu cycles\n", sysexit - sysenter);
+	}
+#endif
 /*
     cpu_debug();
 */
@@ -158,18 +162,21 @@ int corax(void *mb_info, u32_t magic) {
 		}
 	}
 */
-
 	dbg_printf("Switching pstate\n");
+
+	asm volatile("int $0xcc");
+	asm volatile("int $0xcc");
+	/*
 	p = cpu_set_pstate(1);
 	dbg_printf("Entered P-state %u. (0x%x)\n", p & 0xffff, p);
-	dbg_printf("Initialisation complete. Nothing to do.\n");
-
+	dbg_printf("Initialisation complete. Nothing to do.\n"); */
+/*
 	struct task tsk;
 
 	_task_prepare(&tsk, (u32_t)_idle, (u32_t)&_stack + sizeof(_stack));
 
 	_task_switch(&tsk);
-
+*/
     while(1) {
         asm volatile("hlt");
     }
diff --git a/kernel/core/main.o b/kernel/core/main.o
deleted file mode 100644
index af67b1025d4e16f2bf72686cc95163af64e95b53..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

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-- 
2.47.3