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-rw-r--r--src/emu/devfind.cpp411
1 files changed, 292 insertions, 119 deletions
diff --git a/src/emu/devfind.cpp b/src/emu/devfind.cpp
index 4128123e0f2..6170b2fca8c 100644
--- a/src/emu/devfind.cpp
+++ b/src/emu/devfind.cpp
@@ -2,94 +2,39 @@
// copyright-holders:Aaron Giles
/***************************************************************************
- devfind.c
+ devfind.cpp
Device finding template helpers.
***************************************************************************/
#include "emu.h"
+
#include "romload.h"
+#include "validity.h"
//**************************************************************************
-// EXPLICIT TEMPLATE INSTANTIATIONS
+// BASE FINDER CLASS
//**************************************************************************
-template class object_finder_base<memory_region, false>;
-template class object_finder_base<memory_region, true>;
-template class object_finder_base<memory_bank, false>;
-template class object_finder_base<memory_bank, true>;
-template class object_finder_base<ioport_port, false>;
-template class object_finder_base<ioport_port, true>;
-template class object_finder_base<address_space, false>;
-template class object_finder_base<address_space, true>;
-
-template class object_finder_base<u8, false>;
-template class object_finder_base<u8, true>;
-template class object_finder_base<u16, false>;
-template class object_finder_base<u16, true>;
-template class object_finder_base<u32, false>;
-template class object_finder_base<u32, true>;
-template class object_finder_base<u64, false>;
-template class object_finder_base<u64, true>;
-
-template class object_finder_base<s8, false>;
-template class object_finder_base<s8, true>;
-template class object_finder_base<s16, false>;
-template class object_finder_base<s16, true>;
-template class object_finder_base<s32, false>;
-template class object_finder_base<s32, true>;
-template class object_finder_base<s64, false>;
-template class object_finder_base<s64, true>;
-
-template class memory_region_finder<false>;
-template class memory_region_finder<true>;
-
-template class memory_bank_finder<false>;
-template class memory_bank_finder<true>;
-
-template class ioport_finder<false>;
-template class ioport_finder<true>;
-
-template class address_space_finder<false>;
-template class address_space_finder<true>;
+//-------------------------------------------------
+// device_resolver_base - constructor
+//-------------------------------------------------
-template class region_ptr_finder<u8, false>;
-template class region_ptr_finder<u8, true>;
-template class region_ptr_finder<u16, false>;
-template class region_ptr_finder<u16, true>;
-template class region_ptr_finder<u32, false>;
-template class region_ptr_finder<u32, true>;
-template class region_ptr_finder<u64, false>;
-template class region_ptr_finder<u64, true>;
+device_resolver_base::device_resolver_base(device_t &base)
+ : m_next(base.register_auto_finder(*this))
+{
+}
-template class region_ptr_finder<s8, false>;
-template class region_ptr_finder<s8, true>;
-template class region_ptr_finder<s16, false>;
-template class region_ptr_finder<s16, true>;
-template class region_ptr_finder<s32, false>;
-template class region_ptr_finder<s32, true>;
-template class region_ptr_finder<s64, false>;
-template class region_ptr_finder<s64, true>;
-template class shared_ptr_finder<u8, false>;
-template class shared_ptr_finder<u8, true>;
-template class shared_ptr_finder<u16, false>;
-template class shared_ptr_finder<u16, true>;
-template class shared_ptr_finder<u32, false>;
-template class shared_ptr_finder<u32, true>;
-template class shared_ptr_finder<u64, false>;
-template class shared_ptr_finder<u64, true>;
+//-------------------------------------------------
+// ~device_resolver_base - destructor
+//-------------------------------------------------
-template class shared_ptr_finder<s8, false>;
-template class shared_ptr_finder<s8, true>;
-template class shared_ptr_finder<s16, false>;
-template class shared_ptr_finder<s16, true>;
-template class shared_ptr_finder<s32, false>;
-template class shared_ptr_finder<s32, true>;
-template class shared_ptr_finder<s64, false>;
-template class shared_ptr_finder<s64, true>;
+device_resolver_base::~device_resolver_base()
+{
+}
@@ -105,7 +50,7 @@ constexpr char finder_base::DUMMY_TAG[];
//-------------------------------------------------
finder_base::finder_base(device_t &base, char const *tag)
- : m_next(base.register_auto_finder(*this))
+ : device_resolver_base(base)
, m_base(base)
, m_tag(tag)
, m_resolved(false)
@@ -114,21 +59,13 @@ finder_base::finder_base(device_t &base, char const *tag)
//-------------------------------------------------
-// ~finder_base - destructor
-//-------------------------------------------------
-
-finder_base::~finder_base()
-{
-}
-
-
-//-------------------------------------------------
// set_tag - set tag
//-------------------------------------------------
void finder_base::set_tag(char const *tag)
{
assert(!m_resolved);
+ assert(tag);
m_base = m_base.get().mconfig().current_device();
m_tag = tag;
}
@@ -152,23 +89,13 @@ void *finder_base::find_memregion(u8 width, size_t &length, bool required) const
if (region->bytewidth() != width)
{
if (required)
- osd_printf_warning("Region '%s' found but is width %d, not %d as requested\n", m_tag, region->bitwidth(), width*8);
- length = 0;
- return nullptr;
- }
-
- // check the length and warn if other than specified
- size_t const length_found = region->bytes() / width;
- if (length != 0 && length != length_found)
- {
- if (required)
- osd_printf_warning("Region '%s' found but has %d bytes, not %ld as requested\n", m_tag, region->bytes(), long(length*width));
+ osd_printf_warning("Region '%s' found but is width %d, not %d as requested\n", m_tag, region->bitwidth(), width * 8);
length = 0;
return nullptr;
}
// return results
- length = length_found;
+ length = region->bytes() / width;
return region->base();
}
@@ -177,14 +104,14 @@ void *finder_base::find_memregion(u8 width, size_t &length, bool required) const
// validate_memregion - find memory region
//-------------------------------------------------
-bool finder_base::validate_memregion(size_t bytes, bool required) const
+bool finder_base::validate_memregion(bool required) const
{
// make sure we can resolve the full path to the region
size_t bytes_found = 0;
std::string const region_fulltag(m_base.get().subtag(m_tag));
// look for the region
- for (device_t const &dev : device_iterator(m_base.get().mconfig().root_device()))
+ for (device_t const &dev : device_enumerator(m_base.get().mconfig().root_device()))
{
for (romload::region const &region : romload::entries(dev.rom_region()).get_regions())
{
@@ -198,13 +125,6 @@ bool finder_base::validate_memregion(size_t bytes, bool required) const
break;
}
- // check the length and warn if other than specified
- if ((bytes_found != 0) && (bytes != 0) && (bytes != bytes_found))
- {
- osd_printf_warning("Region '%s' found but has %ld bytes, not %ld as requested\n", m_tag, long(bytes_found), long(bytes));
- bytes_found = 0;
- }
-
return report_missing(bytes_found != 0, "memory region", required);
}
@@ -223,8 +143,7 @@ void *finder_base::find_memshare(u8 width, size_t &bytes, bool required) const
// check the width and warn if not correct
if (width != 0 && share->bitwidth() != width)
{
- if (required)
- osd_printf_warning("Shared ptr '%s' found but is width %d, not %d as requested\n", m_tag, share->bitwidth(), width);
+ osd_printf_warning("Shared ptr '%s' found but is width %d, not %d as requested\n", m_tag, share->bitwidth(), width);
return nullptr;
}
@@ -264,8 +183,7 @@ address_space *finder_base::find_addrspace(int spacenum, u8 width, bool required
address_space &space(memory->space(spacenum));
if (width != 0 && width != space.data_width())
{
- if (required)
- osd_printf_warning("Device '%s' found but address space #%d has the wrong data width (expected %d, found %d)\n", m_tag, spacenum, width, space.data_width());
+ osd_printf_warning("Device '%s' found but address space #%d has the wrong data width (expected %d, found %d)\n", m_tag, spacenum, width, space.data_width());
return nullptr;
}
@@ -282,7 +200,7 @@ bool finder_base::validate_addrspace(int spacenum, u8 width, bool required) cons
{
// look up the device and return false if not found
device_t *const device(m_base.get().subdevice(m_tag));
- if (device == nullptr)
+ if (!device)
return report_missing(false, "address space", required);
// check for memory interface and a configuration for the designated space
@@ -329,22 +247,277 @@ bool finder_base::report_missing(bool found, const char *objname, bool required)
// otherwise, report
std::string const region_fulltag(m_base.get().subtag(m_tag));
if (required)
- osd_printf_error("Required %s '%s' not found\n", objname, region_fulltag.c_str());
+ osd_printf_error("Required %s '%s' not found\n", objname, region_fulltag);
else if (DUMMY_TAG != m_tag)
- osd_printf_verbose("Optional %s '%s' not found\n", objname, region_fulltag.c_str());
+ osd_printf_verbose("Optional %s '%s' not found\n", objname, region_fulltag);
return !required;
}
}
-void finder_base::printf_warning(const char *format, ...)
+
+//**************************************************************************
+// MEMORY REGION FINDER
+//**************************************************************************
+
+template <bool Required>
+memory_region_finder<Required>::memory_region_finder(device_t &base, char const *tag)
+ : object_finder_base<memory_region, Required>(base, tag)
+{
+}
+
+
+template <bool Required>
+bool memory_region_finder<Required>::findit(validity_checker *valid)
+{
+ if (valid)
+ return this->validate_memregion(Required);
+
+ assert(!this->m_resolved);
+ this->m_resolved = true;
+ this->m_target = this->m_base.get().memregion(this->m_tag);
+ return this->report_missing("memory region");
+}
+
+
+
+//**************************************************************************
+// MEMORY BANK FINDER
+//**************************************************************************
+
+template <bool Required>
+memory_bank_finder<Required>::memory_bank_finder(device_t &base, char const *tag)
+ : object_finder_base<memory_bank, Required>(base, tag)
+{
+}
+
+
+template <bool Required>
+bool memory_bank_finder<Required>::findit(validity_checker *valid)
{
- va_list argptr;
- char buffer[1024];
-
- // do the output
- va_start(argptr, format);
- vsnprintf(buffer, 1024, format, argptr);
- osd_printf_warning("%s", buffer);
- va_end(argptr);
+ if (valid)
+ return true;
+
+ assert(!this->m_resolved);
+ this->m_resolved = true;
+ this->m_target = this->m_base.get().membank(this->m_tag);
+ return this->report_missing("memory bank");
}
+
+
+
+//**************************************************************************
+// I/O PORT FINDER
+//**************************************************************************
+
+template <bool Required>
+ioport_finder<Required>::ioport_finder(device_t &base, char const *tag)
+ : object_finder_base<ioport_port, Required>(base, tag)
+{
+}
+
+
+template <bool Required>
+bool ioport_finder<Required>::findit(validity_checker *valid)
+{
+ if (valid)
+ return finder_base::report_missing(!valid->ioport_missing(this->m_base.get().subtag(this->m_tag).c_str()), "I/O port", Required);
+
+ assert(!this->m_resolved);
+ this->m_resolved = true;
+ this->m_target = this->m_base.get().ioport(this->m_tag);
+ return this->report_missing("I/O port");
+}
+
+
+
+//**************************************************************************
+// ADDRESS SPACE FINDER
+//**************************************************************************
+
+template <bool Required>
+address_space_finder<Required>::address_space_finder(device_t &base, char const *tag, int spacenum, u8 width)
+ : object_finder_base<address_space, Required>(base, tag)
+ , m_spacenum(spacenum)
+ , m_data_width(width)
+{
+}
+
+
+template <bool Required>
+bool address_space_finder<Required>::findit(validity_checker *valid)
+{
+ if (valid)
+ return this->validate_addrspace(this->m_spacenum, this->m_data_width, Required);
+
+ assert(!this->m_resolved);
+ this->m_resolved = true;
+ this->m_target = this->find_addrspace(this->m_spacenum, this->m_data_width, Required);
+ return this->report_missing("address space");
+}
+
+
+
+//**************************************************************************
+// MEMORY BANK CREATOR
+//**************************************************************************
+
+bool memory_bank_creator::findit(validity_checker *valid)
+{
+ if (valid)
+ return true;
+
+ device_t &dev = m_base.get();
+ memory_manager &manager = dev.machine().memory();
+ std::string const tag = dev.subtag(m_tag);
+ memory_bank *const bank = manager.bank_find(tag);
+ m_target = bank ? bank : manager.bank_alloc(dev, tag);
+ return true;
+}
+
+
+void memory_bank_creator::end_configuration()
+{
+ m_target = nullptr;
+}
+
+
+
+//**************************************************************************
+// MEMORY SHARE CREATOR
+//**************************************************************************
+
+template <typename PointerType>
+memory_share_creator<PointerType>::memory_share_creator(device_t &base, char const *tag, size_t bytes, endianness_t endianness)
+ : finder_base(base, tag)
+ , m_width(sizeof(PointerType) * 8)
+ , m_bytes(bytes)
+ , m_endianness(endianness)
+{
+}
+
+
+template <typename PointerType>
+bool memory_share_creator<PointerType>::findit(validity_checker *valid)
+{
+ if (valid)
+ return true;
+
+ device_t &dev = m_base.get();
+ memory_manager &manager = dev.machine().memory();
+ std::string const tag = dev.subtag(m_tag);
+ memory_share *const share = manager.share_find(tag);
+ if (share)
+ {
+ std::string const result = share->compare(m_width, m_bytes, m_endianness);
+ if (!result.empty())
+ {
+ osd_printf_error("%s\n", result);
+ return false;
+ }
+ m_target = share;
+ }
+ else
+ {
+ m_target = manager.share_alloc(dev, tag, m_width, m_bytes, m_endianness);
+ }
+ return true;
+}
+
+
+template <typename PointerType>
+void memory_share_creator<PointerType>::end_configuration()
+{
+ m_target = nullptr;
+}
+
+
+
+//**************************************************************************
+// EXPLICIT TEMPLATE INSTANTIATIONS
+//**************************************************************************
+
+template class object_finder_base<memory_region, false>;
+template class object_finder_base<memory_region, true>;
+template class object_finder_base<memory_bank, false>;
+template class object_finder_base<memory_bank, true>;
+template class object_finder_base<ioport_port, false>;
+template class object_finder_base<ioport_port, true>;
+template class object_finder_base<address_space, false>;
+template class object_finder_base<address_space, true>;
+
+template class object_finder_base<u8, false>;
+template class object_finder_base<u8, true>;
+template class object_finder_base<u16, false>;
+template class object_finder_base<u16, true>;
+template class object_finder_base<u32, false>;
+template class object_finder_base<u32, true>;
+template class object_finder_base<u64, false>;
+template class object_finder_base<u64, true>;
+
+template class object_finder_base<s8, false>;
+template class object_finder_base<s8, true>;
+template class object_finder_base<s16, false>;
+template class object_finder_base<s16, true>;
+template class object_finder_base<s32, false>;
+template class object_finder_base<s32, true>;
+template class object_finder_base<s64, false>;
+template class object_finder_base<s64, true>;
+
+template class memory_region_finder<false>;
+template class memory_region_finder<true>;
+
+template class memory_bank_finder<false>;
+template class memory_bank_finder<true>;
+
+template class ioport_finder<false>;
+template class ioport_finder<true>;
+
+template class address_space_finder<false>;
+template class address_space_finder<true>;
+
+template class region_ptr_finder<u8, false>;
+template class region_ptr_finder<u8, true>;
+template class region_ptr_finder<u16, false>;
+template class region_ptr_finder<u16, true>;
+template class region_ptr_finder<u32, false>;
+template class region_ptr_finder<u32, true>;
+template class region_ptr_finder<u64, false>;
+template class region_ptr_finder<u64, true>;
+
+template class region_ptr_finder<s8, false>;
+template class region_ptr_finder<s8, true>;
+template class region_ptr_finder<s16, false>;
+template class region_ptr_finder<s16, true>;
+template class region_ptr_finder<s32, false>;
+template class region_ptr_finder<s32, true>;
+template class region_ptr_finder<s64, false>;
+template class region_ptr_finder<s64, true>;
+
+template class shared_ptr_finder<u8, false>;
+template class shared_ptr_finder<u8, true>;
+template class shared_ptr_finder<u16, false>;
+template class shared_ptr_finder<u16, true>;
+template class shared_ptr_finder<u32, false>;
+template class shared_ptr_finder<u32, true>;
+template class shared_ptr_finder<u64, false>;
+template class shared_ptr_finder<u64, true>;
+
+template class shared_ptr_finder<s8, false>;
+template class shared_ptr_finder<s8, true>;
+template class shared_ptr_finder<s16, false>;
+template class shared_ptr_finder<s16, true>;
+template class shared_ptr_finder<s32, false>;
+template class shared_ptr_finder<s32, true>;
+template class shared_ptr_finder<s64, false>;
+template class shared_ptr_finder<s64, true>;
+
+template class memory_share_creator<u8>;
+template class memory_share_creator<u16>;
+template class memory_share_creator<u32>;
+template class memory_share_creator<u64>;
+
+template class memory_share_creator<s8>;
+template class memory_share_creator<s16>;
+template class memory_share_creator<s32>;
+template class memory_share_creator<s64>;