Path and compile musl libc into kernel

src/kernel/Makefile

@@ -11,10 +11,11 @@ CFLAGS := -Wall -Wextra -pedantic -ffreestanding -mcmodel=large
 CFLAGS += -ggdb -O0
 ASFLAGS += -ggdb
 CPPFLAGS += -I include
-LDFLAGS := -n -nostdlib -lgcc -T Link.ld
+LDFLAGS := -n -T Link.ld 
+LDLIBS := -nostdlib -lgcc -L/opt/sysroot/usr/lib -lc
 
 kernel: $(OBJ)
-	$(LINK.c) $^ -o $@
+	$(LINK.c) $^ $(LOADLIBES) $(LDLIBS) -o $@
 
 %.o: %.S.py
 	python3 $^ | $(COMPILE.S) $(DEPFLAGS) -x assembler-with-cpp - -o $@

src/kernel/boot/kmain.c

@@ -5,6 +5,7 @@
 #include <debug.h>
 #include <multiboot.h>
 #include <interrupts.h>
+#include <stdlib.h>
 
 struct kernel_boot_data_st kernel_boot_data;
 
@@ -26,6 +27,10 @@ void kmain(uint64_t multiboot_magic, void *multiboot_data)
 
     debug_info("Boot complete\n");
 
+    debug_info("Mallocing\n");
+    uint64_t a = malloc(100);
+    debug_info("Malloced %x\n", a);
+
     PANIC("End of kernel function!");
     
     debug_info("Broke out of panic");

src/kernel/lib/musl-glue.c

@@ -0,0 +1,50 @@
+#include <debug.h>
+
+long syscall0(long num)
+{
+    long retval = 0;
+    PANIC("Unknown syscall: %d()\n", num);
+    return retval;
+}
+
+extern long syscall1(long num, long a1)
+{
+    long retval = 0;
+    PANIC("Unknown syscall: %d(%x)\n", num, a1);
+    return retval;
+}
+
+extern long syscall2(long num, long a1, long a2)
+{
+    long retval = 0;
+    PANIC("Unknown syscall: %d(%x, %x)\n", num, a1, a2);
+    return retval;
+}
+
+extern long syscall3(long num, long a1, long a2, long a3)
+{
+    long retval = 0;
+    PANIC("Unknown syscall: %d(%x, %x, %x)\n", num, a1, a2, a3);
+    return retval;
+}
+
+extern long syscall4(long num, long a1, long a2, long a3, long a4)
+{
+    long retval = 0;
+    PANIC("Unknown syscall: %d(%x, %x, %x, %x)\n", num, a1, a2, a3, a4);
+    return retval;
+}
+
+extern long syscall5(long num, long a1, long a2, long a3, long a4, long a5)
+{
+    long retval = 0;
+    PANIC("Unknown syscall: %d(%x, %x, %x, %x, %x)\n", num, a1, a2, a3, a4, a5);
+    return retval;
+}
+
+extern long syscall6(long num, long a1, long a2, long a3, long a4, long a5, long a6)
+{
+    long retval = 0;
+    PANIC("Unknown syscall: %d(%x, %x, %x, %x, %x, %x)\n", num, a1, a2, a3, a4, a5, a6);
+    return retval;
+}

src/patch-musl/arch/x86_64/syscall_arch.h

@@ -0,0 +1,47 @@
+#define __SYSCALL_LL_E(x) (x)
+#define __SYSCALL_LL_O(x) (x)
+
+extern long syscall0(long);
+extern long syscall1(long, long);
+extern long syscall2(long, long, long);
+extern long syscall3(long, long, long, long);
+extern long syscall4(long, long, long, long, long);
+extern long syscall5(long, long, long, long, long, long);
+extern long syscall6(long, long, long, long, long, long, long);
+
+static __inline long __syscall0(long n)
+{
+    return syscall0(n);
+}
+static __inline long __syscall1(long n, long a1)
+{
+    return syscall1(n, a1);
+}
+static __inline long __syscall2(long n, long a1, long a2)
+{
+    return syscall2(n, a1, a2);
+}
+static __inline long __syscall3(long n, long a1, long a2, long a3)
+{
+    return syscall3(n, a1, a2, a3);
+}
+static __inline long __syscall4(long n, long a1, long a2, long a3, long a4)
+{
+    return syscall4(n, a1, a2, a3, a4);
+}
+static __inline long __syscall5(long n, long a1, long a2, long a3, long a4, long a5)
+{
+    return syscall5(n, a1, a2, a3, a4, a5);
+}
+static __inline long __syscall6(long n, long a1, long a2, long a3, long a4, long a5, long a6)
+{
+    return syscall6(n, a1, a2, a3, a4, a5, a6);
+}
+
+#define VDSO_USEFUL
+#define VDSO_CGT_SYM "__vdso_clock_gettime"
+#define VDSO_CGT_VER "LINUX_2.6"
+#define VDSO_GETCPU_SYM "__vdso_getcpu"
+#define VDSO_GETCPU_VER "LINUX_2.6"
+
+#define IPC_64 0