void fill(memory_units_descriptor <int_Width, int_AddrShift> descriptor, std.vector <memory_units_descriptor <int_Width, int_AddrShift> .entry> entries)
{
handler_entry handler = descriptor.get_subunit_handler();
handler.ref_((int)entries.size());
foreach (var e in entries)
{
m_subunit_infos[m_subunits++] = new subunit_info(handler, e.m_amask, e.m_dmask, e.m_ashift, e.m_offset, e.m_dshift, descriptor.get_subunit_width());
}
}
//template<int Width, int AddrShift>
public memory_units_descriptor(u8 access_width, endianness_t access_endian, handler_entry handler, offs_t addrstart, offs_t addrend, offs_t mask, uX unitmask, int cswidth) //memory_units_descriptor(u8 access_width, endianness_t access_endian, handler_entry handler, offs_t addrstart, offs_t addrend, offs_t mask, uX unitmask, int cswidth);
{
m_handler = handler;
m_access_width = access_width;
m_access_endian = access_endian;
u32 bits_per_access = 8U << access_width;
u32 NATIVE_MASK = Width + AddrShift >= 0 ? make_bitmask32(Width + AddrShift) : 0;
// Compute the real base addresses
m_addrstart = addrstart & ~NATIVE_MASK;
m_addrend = addrend & ~NATIVE_MASK;
// Compute the masks and the keys
uX [] umasks = new uX[4]; //std.array<uX, 4> umasks;
umasks.Fill(unitmask); //umasks.fill(unitmask);
uX smask;
uX emask;
if (access_endian == ENDIANNESS_BIG)
{
smask = make_bitmask_uX(Width, 8 * (u32)sizeof_(uX.WidthToType(Width)) - ((addrstart - m_addrstart) << (3 - AddrShift))); //smask = make_bitmask<uX>(8 * sizeof(uX) - ((addrstart - m_addrstart) << (3 - AddrShift)));
emask = ~make_bitmask_uX(Width, 8 * (u32)sizeof_(uX.WidthToType(Width)) - ((addrend - m_addrend + 1) << (3 - AddrShift))); //emask = ~make_bitmask<uX>(8 * sizeof(uX) - ((addrend - m_addrend + 1) << (3 - AddrShift)));
}
else
{
smask = ~make_bitmask_uX(Width, (addrstart - m_addrstart) << (3 - AddrShift)); //smask = ~make_bitmask<uX>((addrstart - m_addrstart) << (3 - AddrShift));
emask = make_bitmask_uX(Width, (addrend - m_addrend + 1) << (3 - AddrShift)); //emask = make_bitmask<uX>((addrend - m_addrend + 1) << (3 - AddrShift));
}
umasks[handler_entry.START] &= smask;
umasks[handler_entry.END] &= emask;
umasks[handler_entry.START | handler_entry.END] &= smask & emask;
for (u32 i = 0; i < 4; i++)
{
m_keymap[i] = mask_to_ukey(umasks[i]); //m_keymap[i] = mask_to_ukey<uX>(umasks[i]);
}
// Compute the shift
uX dmask = make_bitmask_uX(Width, bits_per_access); //uX dmask = make_bitmask<uX>(bits_per_access);
u32 active_count = 0;
for (u32 i = 0; i != 8 << Width; i += (u32)bits_per_access)
{
if ((unitmask & (dmask << (int)i)) != 0)
{
active_count++;
}
}
u32 active_count_log = active_count == 1 ? 0U : active_count == 2 ? 1U : active_count == 4 ? 2U : active_count == 8 ? 3U : 0xff;
if (active_count_log == 0xff)
{
throw new emu_fatalerror("memory_units_descriptor() - abort"); //abort();
}
s8 base_shift = (s8)(Width - access_width - active_count_log);
s8 shift = (s8)(base_shift + access_width + AddrShift);
// Build the handler characteristics
m_handler_start = shift < 0 ? addrstart << -shift : addrstart >> shift;
m_handler_mask = shift < 0 ? (mask << -shift) | make_bitmask32(-shift) : mask >> shift; //m_handler_mask = shift < 0 ? (mask << -shift) | make_bitmask<offs_t>(-shift) : mask >> shift;
for (u32 i = 0; i < 4; i++)
{
if (m_entries_for_key.find(m_keymap[i]) == null) //if (m_entries_for_key.find(m_keymap[i]) == m_entries_for_key.end())
{
m_entries_for_key[m_keymap[i]] = new std.vector <entry>();
generate(m_keymap[i], unitmask, umasks[i], (u32)cswidth, bits_per_access, (u8)base_shift, shift, active_count);
}
}
}
public u8 m_width; // access width (0..3)
public subunit_info(handler_entry handler, uX amask, uX dmask, s8 ashift, u8 offset, u8 dshift, u8 width)
{
this.m_handler = handler; this.m_amask = amask; this.m_dmask = dmask; this.m_ashift = ashift; this.m_offset = offset; this.m_dshift = dshift; this.m_width = width;
}
