Backport https://github.com/flyinghead/flycast/commit/67435c71e834380179eeef1612a8d491df73b1c1

core/hw/aica/dsp.cpp

@@ -62,7 +62,7 @@ s32 DYNACALL UNPACK(u16 val)
 	return uval;
 }
 
-void DecodeInst(u32 *IPtr,_INST *i)
+void DecodeInst(const u32 *IPtr, _INST *i)
 {
 	i->TRA = (IPtr[0] >> 9) & 0x7F;
 	i->TWT = IPtr[0] & 0x100;

core/hw/aica/dsp.h

@@ -124,6 +124,6 @@ struct _INST
 	bool NXADR; //MRQ set
 };
 
-void DecodeInst(u32 *IPtr,_INST *i);
+void DecodeInst(const u32 *IPtr, _INST *i);
 u16 DYNACALL PACK(s32 val);
 s32 DYNACALL UNPACK(u16 val);

core/hw/flashrom/flashrom.h

@@ -645,7 +645,7 @@ private:
 		return num_physical_blocks(size) - num_bitmap_blocks(size) - 1;
 	}
 
-	inline int is_allocated(u8 *bitmap, u32 phys_id)
+	inline int is_allocated(const u8 *bitmap, u32 phys_id)
 	{
 		int index = (phys_id - 1) % FLASH_BITMAP_BLOCKS;
 		return (bitmap[index / 8] & (0x80 >> (index % 8))) == 0x0;

core/hw/pvr/pvr_mem.cpp

@@ -57,7 +57,7 @@ void YUV_init(void)
 #pragma GCC optimize ("-O2")
 #endif
 
-static void YUV_Block8x8(u8* inuv,u8* iny, u8* out)
+static void YUV_Block8x8(const u8* inuv, const u8* iny, u8* out)
 {
 	u8* line_out_0=out+0;
 	u8* line_out_1=out+YUV_x_size*2;

core/hw/sh4/dyna/blockmanager.h

@@ -64,7 +64,7 @@ struct RuntimeBlockInfo: RuntimeBlockInfo_Core
 
 	vector<shil_opcode> oplist;
 
-	bool contains_code(u8* ptr)
+	bool contains_code(const u8* ptr)
 	{
 		return ((size_t)(ptr-(u8*)code)) < host_code_size;
 	}

core/hw/sh4/dyna/shil_canonical.h

@@ -919,7 +919,7 @@ shil_opc(fipr)
 #if HOST_CPU == CPU_X86 || HOST_CPU == CPU_X64
 shil_canonical
 (
-f32,f1,(float* fn, float* fm),
+f32,f1,(const float* fn, const float* fm),
 
 	// multiplications are done with 28 bits of precision (53 - 25) and the final sum at 30 bits
 	double idp = reduce_precision<25>((double)fn[0] * fm[0]);
@@ -960,7 +960,7 @@ shil_opc(ftrv)
 #if HOST_CPU == CPU_X86 || HOST_CPU == CPU_X64
 shil_canonical
 (
-void,f1,(float* fd,float* fn, float* fm),
+void,f1,(float* fd, const float* fn, const float* fm),
 
 	double v1 = reduce_precision<25>((double)fm[0]  * fn[0]) +
 				reduce_precision<25>((double)fm[4]  * fn[1]) +
@@ -1100,7 +1100,7 @@ shil_opc_end()
 shil_opc(frswap)
 shil_canonical
 (
-void,f1,(u64* fd1,u64* fd2,u64* fs1,u64* fs2),
+void,f1,(u64* fd1, u64* fd2, const u64* fs1, const u64* fs2),
 
 	u64 temp;
 	for (int i=0;i<8;i++)