diff options
Diffstat (limited to 'src/emu/emumem_hedr.h')
-rw-r--r-- | src/emu/emumem_hedr.h | 95 |
1 files changed, 69 insertions, 26 deletions
diff --git a/src/emu/emumem_hedr.h b/src/emu/emumem_hedr.h index 30e819bd990..e1e9aa98743 100644 --- a/src/emu/emumem_hedr.h +++ b/src/emu/emumem_hedr.h @@ -1,43 +1,57 @@ // license:BSD-3-Clause // copyright-holders:Olivier Galibert +#ifndef MAME_EMU_EMUMEM_HEDR_H +#define MAME_EMU_EMUMEM_HEDR_H + +#pragma once // handler_entry_read_dispatch -// dispatches an access among multiple handlers indexed on part of the address +// dispatches an access among multiple handlers indexed on part of the +// address and when appropriate a selected view -template<int HighBits, int Width, int AddrShift, endianness_t Endian> class handler_entry_read_dispatch : public handler_entry_read<Width, AddrShift, Endian> +template<int HighBits, int Width, int AddrShift> class handler_entry_read_dispatch : public handler_entry_read<Width, AddrShift> { public: - using uX = typename emu::detail::handler_entry_size<Width>::uX; - using inh = handler_entry_read<Width, AddrShift, Endian>; - using mapping = typename inh::mapping; + using uX = emu::detail::handler_entry_size_t<Width>; + using mapping = typename handler_entry_read<Width, AddrShift>::mapping; - handler_entry_read_dispatch(address_space *space, const handler_entry::range &init, handler_entry_read<Width, AddrShift, Endian> *handler); + handler_entry_read_dispatch(address_space *space, const handler_entry::range &init, handler_entry_read<Width, AddrShift> *handler); + handler_entry_read_dispatch(address_space *space, memory_view &view); + handler_entry_read_dispatch(handler_entry_read_dispatch<HighBits, Width, AddrShift> *src); ~handler_entry_read_dispatch(); uX read(offs_t offset, uX mem_mask) const override; + uX read_interruptible(offs_t offset, uX mem_mask) const override; + std::pair<uX, u16> read_flags(offs_t offset, uX mem_mask) const override; + u16 lookup_flags(offs_t offset, uX mem_mask) const override; void *get_ptr(offs_t offset) const override; - void lookup(offs_t address, offs_t &start, offs_t &end, handler_entry_read<Width, AddrShift, Endian> *&handler) const override; + void lookup(offs_t address, offs_t &start, offs_t &end, handler_entry_read<Width, AddrShift> *&handler) const override; + offs_t dispatch_entry(offs_t address) const override; void dump_map(std::vector<memory_entry> &map) const override; std::string name() const override; - void populate_nomirror(offs_t start, offs_t end, offs_t ostart, offs_t oend, handler_entry_read<Width, AddrShift, Endian> *handler) override; - void populate_mirror(offs_t start, offs_t end, offs_t ostart, offs_t oend, offs_t mirror, handler_entry_read<Width, AddrShift, Endian> *handler) override; - void populate_mismatched_nomirror(offs_t start, offs_t end, offs_t ostart, offs_t oend, const memory_units_descriptor<Width, AddrShift, Endian> &descriptor, u8 rkey, std::vector<mapping> &mappings) override; - void populate_mismatched_mirror(offs_t start, offs_t end, offs_t ostart, offs_t oend, offs_t mirror, const memory_units_descriptor<Width, AddrShift, Endian> &descriptor, std::vector<mapping> &mappings) override; - void populate_passthrough_nomirror(offs_t start, offs_t end, offs_t ostart, offs_t oend, handler_entry_read_passthrough<Width, AddrShift, Endian> *handler, std::vector<mapping> &mappings) override; - void populate_passthrough_mirror(offs_t start, offs_t end, offs_t ostart, offs_t oend, offs_t mirror, handler_entry_read_passthrough<Width, AddrShift, Endian> *handler, std::vector<mapping> &mappings) override; + void populate_nomirror(offs_t start, offs_t end, offs_t ostart, offs_t oend, handler_entry_read<Width, AddrShift> *handler) override; + void populate_mirror(offs_t start, offs_t end, offs_t ostart, offs_t oend, offs_t mirror, handler_entry_read<Width, AddrShift> *handler) override; + void populate_mismatched_nomirror(offs_t start, offs_t end, offs_t ostart, offs_t oend, const memory_units_descriptor<Width, AddrShift> &descriptor, u8 rkey, std::vector<mapping> &mappings) override; + void populate_mismatched_mirror(offs_t start, offs_t end, offs_t ostart, offs_t oend, offs_t mirror, const memory_units_descriptor<Width, AddrShift> &descriptor, std::vector<mapping> &mappings) override; + void populate_passthrough_nomirror(offs_t start, offs_t end, offs_t ostart, offs_t oend, handler_entry_read_passthrough<Width, AddrShift> *handler, std::vector<mapping> &mappings) override; + void populate_passthrough_mirror(offs_t start, offs_t end, offs_t ostart, offs_t oend, offs_t mirror, handler_entry_read_passthrough<Width, AddrShift> *handler, std::vector<mapping> &mappings) override; void detach(const std::unordered_set<handler_entry *> &handlers) override; void range_cut_before(offs_t address, int start = COUNT); void range_cut_after(offs_t address, int start = -1); void enumerate_references(handler_entry::reflist &refs) const override; - virtual const handler_entry_read<Width, AddrShift, Endian> *const *get_dispatch() const override; + const handler_entry_read<Width, AddrShift> *const *get_dispatch() const override; + void select_a(int slot) override; + void select_u(int slot) override; + void init_handlers(offs_t start_entry, offs_t end_entry, u32 lowbits, offs_t ostart, offs_t oend, handler_entry_read<Width, AddrShift> **dispatch, handler_entry::range *ranges) override; + handler_entry_read<Width, AddrShift> *dup() override; -protected: +private: static constexpr int Level = emu::detail::handler_entry_dispatch_level(HighBits); static constexpr u32 LowBits = emu::detail::handler_entry_dispatch_lowbits(HighBits, Width, AddrShift); static constexpr u32 BITCOUNT = HighBits > LowBits ? HighBits - LowBits : 0; @@ -47,18 +61,47 @@ protected: static constexpr offs_t HIGHMASK = make_bitmask<offs_t>(HighBits) ^ LOWMASK; static constexpr offs_t UPMASK = ~make_bitmask<offs_t>(HighBits); - handler_entry_read<Width, AddrShift, Endian> *m_dispatch[COUNT]; - handler_entry::range m_ranges[COUNT]; + class handler_array : public std::array<handler_entry_read<Width, AddrShift> *, COUNT> + { + public: + using std::array<handler_entry_read<Width, AddrShift> *, COUNT>::array; + handler_array() + { + std::fill(this->begin(), this->end(), nullptr); + } + }; -private: - void populate_nomirror_subdispatch(offs_t entry, offs_t start, offs_t end, offs_t ostart, offs_t oend, handler_entry_read<Width, AddrShift, Endian> *handler); - void populate_mirror_subdispatch(offs_t entry, offs_t start, offs_t end, offs_t ostart, offs_t oend, offs_t mirror, handler_entry_read<Width, AddrShift, Endian> *handler); + class range_array : public std::array<handler_entry::range, COUNT> + { + public: + using std::array<handler_entry::range, COUNT>::array; + range_array() + { + std::fill(this->begin(), this->end(), handler_entry::range{ 0, 0 }); + } + }; + + memory_view *m_view; + + std::vector<handler_array> m_dispatch_array; + std::vector<range_array> m_ranges_array; - void populate_mismatched_nomirror_subdispatch(offs_t entry, offs_t start, offs_t end, offs_t ostart, offs_t oend, const memory_units_descriptor<Width, AddrShift, Endian> &descriptor, u8 rkey, std::vector<mapping> &mappings); - void populate_mismatched_mirror_subdispatch(offs_t entry, offs_t start, offs_t end, offs_t ostart, offs_t oend, offs_t mirror, const memory_units_descriptor<Width, AddrShift, Endian> &descriptor, std::vector<mapping> &mappings); - void mismatched_patch(const memory_units_descriptor<Width, AddrShift, Endian> &descriptor, u8 rkey, std::vector<mapping> &mappings, handler_entry_read<Width, AddrShift, Endian> *&target); + handler_entry_read<Width, AddrShift> **m_a_dispatch; + handler_entry::range *m_a_ranges; - void populate_passthrough_nomirror_subdispatch(offs_t entry, offs_t start, offs_t end, offs_t ostart, offs_t oend, handler_entry_read_passthrough<Width, AddrShift, Endian> *handler, std::vector<mapping> &mappings); - void populate_passthrough_mirror_subdispatch(offs_t entry, offs_t start, offs_t end, offs_t ostart, offs_t oend, offs_t mirror, handler_entry_read_passthrough<Width, AddrShift, Endian> *handler, std::vector<mapping> &mappings); - void passthrough_patch(handler_entry_read_passthrough<Width, AddrShift, Endian> *handler, std::vector<mapping> &mappings, handler_entry_read<Width, AddrShift, Endian> *&target); + handler_entry_read<Width, AddrShift> **m_u_dispatch; + handler_entry::range *m_u_ranges; + + void populate_nomirror_subdispatch(offs_t entry, offs_t start, offs_t end, offs_t ostart, offs_t oend, handler_entry_read<Width, AddrShift> *handler); + void populate_mirror_subdispatch(offs_t entry, offs_t start, offs_t end, offs_t ostart, offs_t oend, offs_t mirror, handler_entry_read<Width, AddrShift> *handler); + + void populate_mismatched_nomirror_subdispatch(offs_t entry, offs_t start, offs_t end, offs_t ostart, offs_t oend, const memory_units_descriptor<Width, AddrShift> &descriptor, u8 rkey, std::vector<mapping> &mappings); + void populate_mismatched_mirror_subdispatch(offs_t entry, offs_t start, offs_t end, offs_t ostart, offs_t oend, offs_t mirror, const memory_units_descriptor<Width, AddrShift> &descriptor, std::vector<mapping> &mappings); + void mismatched_patch(const memory_units_descriptor<Width, AddrShift> &descriptor, u8 rkey, std::vector<mapping> &mappings, handler_entry_read<Width, AddrShift> *&target); + + void populate_passthrough_nomirror_subdispatch(offs_t entry, offs_t start, offs_t end, offs_t ostart, offs_t oend, handler_entry_read_passthrough<Width, AddrShift> *handler, std::vector<mapping> &mappings); + void populate_passthrough_mirror_subdispatch(offs_t entry, offs_t start, offs_t end, offs_t ostart, offs_t oend, offs_t mirror, handler_entry_read_passthrough<Width, AddrShift> *handler, std::vector<mapping> &mappings); + void passthrough_patch(handler_entry_read_passthrough<Width, AddrShift> *handler, std::vector<mapping> &mappings, handler_entry_read<Width, AddrShift> *&target); }; + +#endif // MAME_EMU_EMUMEM_HEDR_H |