From 36af5ceca2e73fb34c0cf28bb6e6bbce25f2b25e Mon Sep 17 00:00:00 2001
From: Franklin Wei <git@fwei.tk>
Date: Sat, 7 Nov 2015 13:57:01 -0500
Subject: rename sysdep->target

---
 target/kos/.gitignore     |  3 +++
 target/kos/Makefile       | 13 +++++++++
 target/kos/crt0.asm       | 68 +++++++++++++++++++++++++++++++++++++++++++++++
 target/kos/main.c         | 14 ++++++++++
 target/kos/package.config |  4 +++
 target/unix/main.c        | 17 ++++++++++++
 target/unix/platform.h    | 11 ++++++++
 7 files changed, 130 insertions(+)
 create mode 100644 target/kos/.gitignore
 create mode 100644 target/kos/Makefile
 create mode 100644 target/kos/crt0.asm
 create mode 100644 target/kos/main.c
 create mode 100644 target/kos/package.config
 create mode 100644 target/unix/main.c
 create mode 100644 target/unix/platform.h

(limited to 'target')

diff --git a/target/kos/.gitignore b/target/kos/.gitignore
new file mode 100644
index 0000000..722062b
--- /dev/null
+++ b/target/kos/.gitignore
@@ -0,0 +1,3 @@
+.knightos/
+bin/
+*.o
diff --git a/target/kos/Makefile b/target/kos/Makefile
new file mode 100644
index 0000000..db9d68e
--- /dev/null
+++ b/target/kos/Makefile
@@ -0,0 +1,13 @@
+include .knightos/variables.make
+
+#INCLUDE+=add to your include path
+
+HEADERS:=$(wildcard *.h)
+
+ALL_TARGETS:=$(BIN)ducky
+
+$(BIN)ducky: $(OUT)main.o $(OUT)crt0.o $(OUT)../../src/ducky.o
+	mkdir -p $(BIN)
+	scas $(ASFLAGS) $(OUT)crt0.o $(LIBRARIES) $(OUT)main.o $(OUT)../../src/ducky.o -o $(BIN)ducky
+
+include .knightos/sdk.make
diff --git a/target/kos/crt0.asm b/target/kos/crt0.asm
new file mode 100644
index 0000000..51acf08
--- /dev/null
+++ b/target/kos/crt0.asm
@@ -0,0 +1,68 @@
+#include <kernel.inc>
+    .db "KEXC"
+    .db KEXC_ENTRY_POINT
+    .dw __start
+    .db KEXC_STACK_SIZE
+    .dw 20
+    .db KEXC_NAME
+    .dw __name
+    .db KEXC_HEADER_END
+__name:
+    .db "ducky", 0
+__start:
+    call __relocate_data
+    call __initialize_globals
+    jp _main
+
+_exit:
+    ; Note: status code is discarded
+    pcall(exitThread)
+__exit_end:
+.function _exit, _exit, _exit_end
+
+__relocate_data:
+    ; + 4 because the KEXC header has two static pointers
+    ; TODO: There's probably a better way of doing that
+    ld hl, __scas_relocatable_data + 4
+.loop:
+    ld e, (hl) \ inc hl
+    ld d, (hl) \ inc hl
+    ld bc, 0
+    pcall(cpBCDE)
+    ret z
+
+    ex de, hl
+    kld(bc, 0)
+    add hl, bc
+    push de
+        ld e, (hl) \ inc hl
+        ld d, (hl)
+        ex de, hl \ add hl, bc \ ex de, hl
+        ld (hl), d \ dec hl
+        ld (hl), e
+    pop de
+    ex de, hl
+    jr .loop
+
+__initialize_globals:
+    ; Note: this could be more optimized if we could toggle auto-relocation in code
+    ld hl, __s_initialized_end
+    ld bc, __s_initialized
+    scf \ ccf
+    sbc hl, bc
+    ld b, h \ ld c, l
+    ld a, b
+    or c
+    ret z
+    ld hl, __s_initializer
+    ld de, __s_initialized
+    ldir
+    ret
+
+; Assign some labels to the start of some sections
+.area _INITIALIZER
+__s_initializer:
+.area _INITIALIZED
+__s_initialized:
+.area _INITIALIZED_END
+__s_initialized_end:
diff --git a/target/kos/main.c b/target/kos/main.c
new file mode 100644
index 0000000..7326b4f
--- /dev/null
+++ b/target/kos/main.c
@@ -0,0 +1,14 @@
+#include <knightos/display.h>
+#include <knightos/system.h>
+
+/* Warning! C support in KnightOS is highly experimental. Your mileage may vary. */
+
+void main() {
+	SCREEN *screen;
+	get_lcd_lock();
+	screen = screen_allocate();
+	screen_clear(screen);
+	draw_string(screen, 0, 0, "Hello world!");
+	screen_draw(screen);
+	while (1);
+}
diff --git a/target/kos/package.config b/target/kos/package.config
new file mode 100644
index 0000000..9cd874c
--- /dev/null
+++ b/target/kos/package.config
@@ -0,0 +1,4 @@
+name=ducky
+repo=community
+version=0.1.0
+-sdk-template=c
diff --git a/target/unix/main.c b/target/unix/main.c
new file mode 100644
index 0000000..a2db705
--- /dev/null
+++ b/target/unix/main.c
@@ -0,0 +1,17 @@
+#include <ducky.h>
+#include <platform.h>
+
+int main(int argc, char *argv[])
+{
+    if(argc == 2)
+    {
+        int fd = open(argv[1], O_RDONLY);
+        ducky_main(fd);
+        close(fd);
+    }
+    else
+    {
+        printf("Usage: %s FILE\n", argv[0]);
+    }
+    return 0;
+}
diff --git a/target/unix/platform.h b/target/unix/platform.h
new file mode 100644
index 0000000..ca331e2
--- /dev/null
+++ b/target/unix/platform.h
@@ -0,0 +1,11 @@
+#include <bsd/string.h>
+
+#include <fcntl.h>
+#include <math.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <unistd.h>
-- 
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