From 9d578edf4d098e8e2b9d70b9e0d3e642d58d52c5 Mon Sep 17 00:00:00 2001
From: condret <condr3t@protonmail.com>
Date: Tue, 19 Nov 2024 02:06:07 +0100
Subject: [PATCH] add lifecycle functions for GB

---
 Makefile     |  5 +++-
 gb/esil.c    |  6 +++++
 gb/gb.c      | 64 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 include/gb.h |  8 ++++---
 4 files changed, 79 insertions(+), 4 deletions(-)
 create mode 100644 gb/gb.c

diff --git a/Makefile b/Makefile
index d80313b..cbc8f47 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 LDFLAGS = $(shell pkg-config --libs sdl2 r_util r_io)
 CFLAGS = -Wall -I include/ $(shell pkg-config --cflags sdl2 r_util r_io r_arch r_esil r_anal r_reg) 
 
-all: sdl/pixbuf.o io/timers.o io/mbc1.o io/mbc2.o io/joypad.o io/dma.o io/ppu.o io/interrupts.o gb/esil.o
+all: sdl/pixbuf.o io/timers.o io/mbc1.o io/mbc2.o io/joypad.o io/dma.o io/ppu.o io/interrupts.o gb/esil.o gb/gb.o
 
 sdl/pixbuf.o:
 	gcc -c sdl/pixbuf.c -o sdl/pixbuf.o $(CFLAGS)
@@ -30,5 +30,8 @@ io/interrupts.o:
 gb/esil.o:
 	gcc -c gb/esil.c -o gb/esil.o $(CFLAGS)
 
+gb/gb.o:
+	gcc -c gb/gb.c -o gb/gb.o $(CFLAGS)
+
 clean:
 	rm sdl/*.o && rm io/*.o && rm gb/*.o
diff --git a/gb/esil.c b/gb/esil.c
index 841bea9..26dd457 100644
--- a/gb/esil.c
+++ b/gb/esil.c
@@ -75,11 +75,17 @@ bool gb_esil_setup (GB *gb) {
 	if (!gb) {
 		return false;
 	}
+#if 0
 	gb->esil = r_esil_new (4096, 0, 1);
 	if (!gb->esil) {
 		return false;
 	}
+#else
+	gb->esil = gb->anal->esil;
+#endif
+	gb->anal->arch->esil = gb->anal->esil;
 	r_esil_setup (gb->esil, gb->anal, false, false, false);
+	r_arch_esilcb (gb->anal->arch, R_ARCH_ESIL_ACTION_INIT);
 	gb->esil->user = gb;
 	r_esil_set_op (gb->esil, "halt", gb_custom_op_halt, 0, 0, R_ESIL_OP_TYPE_CUSTOM);
 	r_esil_set_op (gb->esil, "stop", gb_custom_op_stop, 0, 0, R_ESIL_OP_TYPE_CUSTOM);
diff --git a/gb/gb.c b/gb/gb.c
new file mode 100644
index 0000000..a30edc6
--- /dev/null
+++ b/gb/gb.c
@@ -0,0 +1,64 @@
+#include <gb.h>
+
+bool gb_init(GB *gb, SDL_Renderer *renderer) {
+	gb->io = r_io_new ();
+	if (!gb->io) {
+		goto fail_io;
+	}
+	gb->io->va = true;
+	gb->io->autofd = false;
+	gb->io->overlay = false;
+	gb->io->cachemode = false;
+	gb->io->p_cache = 0;
+	gb->anal = r_anal_new ();
+	if (!gb->anal) {
+		goto fail_anal;
+	}
+	r_io_bind (gb->io, &gb->anal->iob);
+	r_anal_use (gb->anal, "gb");
+	if (!gb_dma_init (&gb->dma, gb->io)) {
+		goto fail_dma;
+	}
+	if (!(gb_timers_init (&gb->timers, gb->io) &&
+		gb_joypad_init (&gb->joypad, gb->io) &&
+		gb_interrupts_init (&gb->interrupts, gb->io, gb->anal->reg))) {
+		goto fail_gb;
+	}
+	gb->ppu = gb_ppu_open (gb->io, renderer);
+	if (!gb->ppu) {
+		goto fail_gb;
+	}
+	gb_esil_setup (gb);
+	return true;
+fail_gb:
+	gb_dma_fini (&gb->dma, gb->io);
+fail_dma:
+	r_anal_free (gb->anal);
+fail_anal:
+	r_io_free (gb->io);
+fail_io:
+	gb[0] = (const GB){0};
+	return false;
+}
+
+void gb_fini(GB *gb) {
+	if (!gb) {
+		return;
+	}
+	if (gb->anal) {
+		r_arch_esilcb (gb->anal->arch, R_ARCH_ESIL_ACTION_FINI);
+		r_anal_free (gb->anal);
+	}
+	if (gb->ppu && gb->io) {
+		gb_ppu_close (gb->ppu, gb->io);
+	}
+	if (!gb->io) {
+		return;
+	}
+	gb_interrupts_fini (&gb->interrupts, gb->io);
+	gb_joypad_fini (&gb->joypad, gb->io);
+	gb_timers_fini (&gb->timers, gb->io);
+	gb_dma_fini (&gb->dma, gb->io);
+	r_io_free (gb->io);
+	gb[0] = (const GB){0};
+}
diff --git a/include/gb.h b/include/gb.h
index 2208674..098a6df 100644
--- a/include/gb.h
+++ b/include/gb.h
@@ -233,7 +233,7 @@ enum {
 
 typedef struct gameboy_t {
 	RIO *io;
-	RArch *arch;
+//	RArch *arch;
 	RAnal *anal;
 	REsil *esil;
 	GBTimers timers;
@@ -257,11 +257,13 @@ GBPPU *gb_ppu_open (RIO *io, SDL_Renderer *renderer);
 void gb_ppu_continue (GB *gb, ut32 cycles);
 void gb_ppu_close (GBPPU *ppu, RIO *io);
 
+bool gb_esil_setup (GB *gb);
+bool gb_init (GB *gb, SDL_Renderer *renderer);
+void gb_fini (GB *gb);
+
 extern RIOPlugin r_io_plugin_gb_timers;
 extern RIOPlugin r_io_plugin_gb_mbc1;
 extern RIOPlugin r_io_plugin_gb_mbc2;
 extern RIOPlugin r_io_plugin_gb_joypad;
 
-bool gb_esil_setup (GB *gb);
-
 #endif