Move out libmsl functionality into separate libs

Makefile

@@ -5,4 +5,6 @@ include make/kernel.mk
 include make/dist.mk
 include make/docs.mk
 include make/libmsl.mk
+include make/liballoc.mk
 include make/libterminal.mk
+include make/libprocess.mk

aux/devel.sh

@@ -9,6 +9,8 @@ else
 fi
 
 make -B all_libmsl
+make -B all_liballoc
+make -B all_libprocess
 make -B all_libterminal
 make -B all_apps
 make -B all_dist

aux/format.sh

@@ -4,4 +4,7 @@ set -x
 
 make -B format_kernel
 make -B format_libmsl
+make -B format_libterminal
+make -B format_libprocess
+make -B format_liballoc
 make -B format_apps

init/Makefile

@@ -1,4 +1,7 @@
-ldflags += -L ../libterminal/build -l:libterminal.a
-cflags += -isystem ../libterminal
+include ../make/ufuncs.mk
+
+$(eval $(call add_lib,libterminal))
+$(eval $(call add_lib,liballoc))
+$(eval $(call add_lib,libprocess))
 
 include ../make/user.mk

init/init.c

@@ -1,6 +1,5 @@
 #include <limits.h>
-#include <proc/local.h>
-#include <proc/proc.h>
+#include <process/process.h>
 #include <stddef.h>
 #include <stdint.h>
 #include <string/string.h>
@@ -8,10 +7,10 @@
 
 #define MUTEX 2000
 
-LOCAL volatile char letter = 'c';
+__thread volatile char letter = 'c';
 
 void app_proc (void) {
-  char arg_letter = (char)(uintptr_t)argument_ptr ();
+  char arg_letter = (char)(uintptr_t)process_argument ();
 
   letter = arg_letter;
 
@@ -32,9 +31,9 @@ void app_main (void) {
 
   letter = 'a';
 
-  /* process_spawn (&app_proc, (void*)'b'); */
-  /* process_spawn (&app_proc, (void*)'c'); */
-  /* process_spawn (&app_proc, (void*)'d'); */
+  process_spawn (&app_proc, (void*)'b');
+  process_spawn (&app_proc, (void*)'c');
+  process_spawn (&app_proc, (void*)'d');
 
   for (;;) {
     mutex_lock (MUTEX);

liballoc/Makefile

@@ -0,0 +1,28 @@
+cc := clang
+o :=
+c :=
+cflags  := -isystem . -isystem ../libmsl
+buildtype ?= release
+
+include src.mk
+include ../generic/flags.mk
+include ../$(platform)/flags.mk
+
+all: build/liballoc.a
+
+build/liballoc.a: $(o)
+	llvm-ar rcs $@ $^
+
+%.o: %.c
+	$(cc) -c -o $@ $(cflags) $<
+
+%.o: %.S
+	$(cc) -c -o $@ $(cflags) $<
+
+clean:
+	rm -f $(o) build/liballoc.a
+
+format:
+	clang-format -i $$(git ls-files '*.c' '*.h')
+
+.PHONY: all clean format

liballoc/src.mk

@@ -0,0 +1 @@
+include alloc/src.mk

libmsl/Makefile

@@ -1,7 +1,7 @@
 cc := clang
 o :=
 c :=
-cflags  := -isystem .
+cflags  := -isystem . -isystem ../liballoc
 buildtype ?= release
 
 include src.mk

libmsl/proc/local.h

@@ -1,6 +0,0 @@
-#ifndef _LIBMSL_PROC_TLS_H
-#define _LIBMSL_PROC_TLS_H
-
-#define LOCAL __thread
-
-#endif // _LIBMSL_PROC_TLS_H

libmsl/proc/src.mk

@@ -1,3 +0,0 @@
-c += proc/proc.c
-
-o += proc/proc.o

libmsl/src.mk

@@ -2,5 +2,3 @@ include $(platform)/src.mk
 include init/src.mk
 include m/src.mk
 include string/src.mk
-include alloc/src.mk
-include proc/src.mk

libprocess/Makefile

@@ -0,0 +1,28 @@
+cc := clang
+o :=
+c :=
+cflags  := -isystem . -isystem ../libmsl -isystem ../liballoc
+buildtype ?= release
+
+include src.mk
+include ../generic/flags.mk
+include ../$(platform)/flags.mk
+
+all: build/libprocess.a
+
+build/libprocess.a: $(o)
+	llvm-ar rcs $@ $^
+
+%.o: %.c
+	$(cc) -c -o $@ $(cflags) $<
+
+%.o: %.S
+	$(cc) -c -o $@ $(cflags) $<
+
+clean:
+	rm -f $(o) build/libprocess.a
+
+format:
+	clang-format -i $$(git ls-files '*.c' '*.h')
+
+.PHONY: all clean format

libprocess/process/process.c

@@ -1,16 +1,16 @@
 #include <alloc/liballoc.h>
 #include <m/status.h>
 #include <m/system.h>
-#include <proc/proc.h>
+#include <process/process.h>
 #include <stddef.h>
 #include <stdint.h>
 
 int process_spawn (process_func_t func, void* argument_ptr) {
-  void* stack = malloc (PROC_STACK_SIZE);
+  void* stack = malloc (STACK_SIZE);
   if (stack == NULL)
     return -ST_OOM_ERROR;
 
-  uintptr_t top = (uintptr_t)stack + PROC_STACK_SIZE;
+  uintptr_t top = (uintptr_t)stack + STACK_SIZE;
   return clone (top, func, argument_ptr);
 }
 

libprocess/process/process.h

@@ -1,9 +1,9 @@
-#ifndef _LIBMSL_PROC_PROC_H
-#define _LIBMSL_PROC_PROC_H
+#ifndef _LIBPROCESS_PROCESS_PROCESS_H
+#define _LIBPROCESS_PROCESS_PROCESS_H
 
 #include <m/system.h>
 
-#define PROC_STACK_SIZE 256 * PAGE_SIZE
+#define STACK_SIZE (256 * PAGE_SIZE)
 
 typedef void (*process_func_t) (void);
 
@@ -11,4 +11,4 @@ int process_spawn (process_func_t func, void* argument_ptr);
 int process_quit (void);
 void* process_argument (void);
 
-#endif // _LIBMSL_PROC_PROC_H
+#endif // _LIBPROCESS_PROCESS_PROCESS_H

libprocess/process/src.mk

@@ -0,0 +1,3 @@
+c += process/process.c
+
+o += process/process.o

libprocess/src.mk

@@ -0,0 +1 @@
+include process/src.mk

libterminal/terminal/terminal.c

@@ -1,7 +1,7 @@
+#include <m/system.h>
 #include <stddef.h>
 #include <terminal/device.h>
 #include <terminal/terminal.h>
-#include <m/system.h>
 
 void terminal_print (const char* string, size_t len) {
   device_do (TERMINAL_DEVICE, TERMINAL_PUTSTR, (void*)string, &len, NULL, NULL);

make/liballoc.mk

@@ -0,0 +1,10 @@
+all_liballoc:
+	make -C liballoc platform=$(platform) all
+
+clean_liballoc:
+	make -C liballoc platform=$(platform) clean
+
+format_liballoc:
+	make -C liballoc platform=$(platform) format
+
+.PHONY: all_liballoc clean_liballoc format_liballoc

make/libprocess.mk

@@ -0,0 +1,10 @@
+all_libprocess:
+	make -C libprocess platform=$(platform) all
+
+clean_libprocess:
+	make -C libprocess platform=$(platform) clean
+
+format_libprocess:
+	make -C libprocess platform=$(platform) format
+
+.PHONY: all_libprocess clean_libprocess format_libprocess

make/ufuncs.mk

@@ -0,0 +1,4 @@
+define add_lib
+	ldflags += -L ../$(1)/build -l:$(1).a
+	cflags += -isystem ../$(1)
+endef