add xparam module

iop/Makefile

@@ -10,6 +10,7 @@ SUBDIRS = \
 	arcade \
 	cdvd \
 	debug \
+	deckard \
 	dev9 \
 	dvrp \
 	fs \

iop/deckard/Makefile

@@ -0,0 +1,13 @@
+# _____     ___ ____     ___ ____
+#  ____|   |    ____|   |        | |____|
+# |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
+#-----------------------------------------------------------------------
+# Copyright 2001-2024, ps2dev - http://www.ps2dev.org
+# Licenced under Academic Free License version 2.0
+# Review ps2sdk README & LICENSE files for further details.
+
+SUBDIRS = \
+	xparam
+
+include $(PS2SDKSRC)/Defs.make
+include $(PS2SDKSRC)/Rules.make

iop/deckard/xparam/Makefile

@@ -0,0 +1,27 @@
+# _____     ___ ____     ___ ____
+#  ____|   |    ____|   |        | |____|
+# |     ___|   |____ ___|    ____| |    \    PS2DEV Open Source Project.
+#-----------------------------------------------------------------------
+# Copyright 2001-2024, ps2dev - http://www.ps2dev.org
+# Licenced under Academic Free License version 2.0
+# Review ps2sdk README & LICENSE files for further details.
+
+IOP_BIN = xparam.irx
+DATABASE ?= 0#0: Homebrew, 1: ROM 2.20, 2: ROM 2.50
+
+IOP_OBJS = xparam.o imports.o
+
+ifeq ($(DATABASE),0)
+  IOP_OBJS += database_merged.o
+else ifeq ($(DATABASE),1)
+  IOP_OBJS += database_0220_20050620.o
+else ifeq ($(DATABASE),2)
+  IOP_OBJS += database_0250_20100415.o 
+else
+  $(error Unknown DB value)
+endif
+
+include $(PS2SDKSRC)/Defs.make
+include $(PS2SDKSRC)/iop/Rules.bin.make
+include $(PS2SDKSRC)/iop/Rules.make
+include $(PS2SDKSRC)/iop/Rules.release

iop/deckard/xparam/include/xparam.h

@@ -0,0 +1,38 @@
+#ifndef XPARAM_H
+#define XPARAM_H
+
+#include <stdint.h>
+
+typedef enum xparam_types {
+    PARAM_MDEC_DELAY_CYCLE = (0x00),
+    PARAM_SPU_INT_DELAY_LIMIT = (0x01),
+    PARAM_SPU_INT_DELAY_PPC_COEFF = (0x02),
+    PARAM_SPU2_INT_DELAY_LIMIT = (0x03),
+    PARAM_SPU2_INT_DELAY_PPC_COEFF = (0x04),
+    PARAM_DMAC_CH10_INT_DELAY = (0x05),
+    PARAM_CPU_DELAY = (0x06),
+    PARAM_SPU_DMA_WAIT_LIMIT = (0x07),
+    PARAM_GPU_DMA_WAIT_LIMIT = (0x08),
+    PARAM_DMAC_CH10_INT_DELAY_DPC = (0x09),
+    PARAM_CPU_DELAY_DPC = (0x0A),
+    PARAM_USB_DELAYED_INT_ENABLE = (0x0B),
+    PARAM_TIMER_LOAD_DELAY = (0x0C),
+    PARAM_SIO0_DTR_SCK_DELAY = (0x0D),
+    PARAM_SIO0_DSR_SCK_DELAY_C = (0x0E),
+    PARAM_SIO0_DSR_SCK_DELAY_M = (0x0F),
+    PARAM_MIPS_DCACHE_ON = (0x10),
+    PARAM_CACHE_FLASH_CHANNELS = (0x11)
+} xparam_types_t;
+#define XPARAM_PARAMS_AMMOUNT (PARAM_CACHE_FLASH_CHANNELS+1)
+
+typedef struct xparam {
+    char name[12];
+    uint32_t param;
+    uint32_t value;
+} xparam_t;
+
+extern const xparam_t XPARAMS[];
+
+#define GET_XPARAM_DB_SIZE() (sizeof(*XPARAMS) / sizeof(XPARAMS[0]))
+
+#endif