setos

commit 47d71278f948085b401f52654d207b949d48c0a8
parent 331c1f284ba77046dc4d7ffb869a9f87405247a4
Author: Matsuda Kenji <info@mtkn.jp>
Date:   Mon,  1 Apr 2024 17:23:46 +0900

try to implement malloc

Diffstat:
M
sys/include/libc.h
 | 
13
+++++++++++--
M
sys/src/kernel/Makefile
 | 
2
+-

2 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/sys/include/libc.h b/sys/include/libc.h
@@ -1,12 +1,21 @@
+#define NULL 0L
+
 typedef unsigned char          uint8;
 typedef unsigned int           uint32;
 typedef unsigned long long int uint64;
 typedef unsigned long long int uintptr;
 
-typedef struct Memmap {
+typedef struct Memblock {
+	void *start, *end;
+} Memblock;
 
+typedef struct Memmap {
+	Memblock *freespace;
+	int      nfreespace;
+	Memblock *allocated;
+	int      nallocated;
 } Memmap;
 
-extern Memmap memmap[];
+extern Memmap memmap;
 
 void *malloc(uintptr);
 \ No newline at end of file
diff --git a/sys/src/kernel/Makefile b/sys/src/kernel/Makefile
@@ -2,7 +2,7 @@ CC = tcc
 LD = ld
 CFLAGS = -I ../../include -nostdlib -fpic -mno-red-zone -ffreestanding -Wall -g
 LDFLAGS = -e kernel_main -static
-OBJS = main.o draw.o
+OBJS = main.o draw.o alloc.o
 
 all: main.elf