From 535fe1cab28a630e311bcf82778f6d14f35c3ed0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= Date: Tue, 12 Dec 2017 20:07:29 +0100 Subject: Add memory type abstract function This functions can be used to write or read 32bit values from memory and memory on its own does signextends for example depending on passed control value. --- qtmips_machine/memory.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'qtmips_machine/memory.h') diff --git a/qtmips_machine/memory.h b/qtmips_machine/memory.h index 1b56d7c..90fda1b 100644 --- a/qtmips_machine/memory.h +++ b/qtmips_machine/memory.h @@ -18,11 +18,23 @@ public: std::uint16_t read_hword(std::uint32_t offset); std::uint32_t read_word(std::uint32_t offset); + enum AccessControl { + AC_BYTE, + AC_HALFWORD, + AC_WORD, + AC_BYTE_UNSIGNED, + AC_HALFWORD_UNSIGNED + }; + void write_ctl(enum AccessControl ctl, std::uint32_t offset, std::uint32_t value); + std::uint32_t read_ctl(enum AccessControl ctl, std::uint32_t offset); + signals: // TODO trigger void byte_change(std::uint32_t address, std::uint32_t value); }; +Q_DECLARE_METATYPE(MemoryAccess::AccessControl) + class MemorySection : public MemoryAccess { public: MemorySection(std::uint32_t length); -- cgit v1.2.3