RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 04:07:44 +00:00
Code Issues Activity Actions

UserspaceEmulator: Add more Instructions

Browse source 
Adds:
* CMC
* POPA
* POPAD
* POPF
* PUSHA
* PUSHAD
* PUSHF
* PUSH_RM16
* SAHF
* FPU:
  * FNOP
  * FPREM
  * FSINCOS
  * FCMOVxx
  * FISTTP
This commit is contained in:
Hendiadyoin1 2021-04-23 14:53:13 +02:00 • committed by Andreas Kling
parent cfa095b44a
commit acd65a5f86
2 changed files with 189 additions and 36 deletions
Download patch file Download diff file Expand all files Collapse all files

25
Userland/DevTools/UserspaceEmulator/SoftCPU.h
View file

@ -56,15 +56,15 @@ public:
struct Flags {
enum Flag {
CF = 0x0001,
PF = 0x0004,
AF = 0x0010,
ZF = 0x0040,
SF = 0x0080,
TF = 0x0100,
IF = 0x0200,
DF = 0x0400,
OF = 0x0800,
CF = 0x0001, // 0b0000'0000'0000'0001
PF = 0x0004, // 0b0000'0000'0000'0100
AF = 0x0010, // 0b0000'0000'0001'0000
ZF = 0x0040, // 0b0000'0000'0100'0000
SF = 0x0080, // 0b0000'0000'1000'0000
TF = 0x0100, // 0b0000'0001'0000'0000
IF = 0x0200, // 0b0000'0010'0000'0000
DF = 0x0400, // 0b0000'0100'0000'0000
OF = 0x0800, // 0b0000'1000'0000'0000
};
};
@ -1148,6 +1148,13 @@ private:
// FIXME: Or just something like m_flags_tainted?
ValueWithShadow<u16> m_fpu_cw { 0, 0 };
// FIXME: Make FPU/MMX memory its own struct
// FIXME: FPU Status word
// FIXME: FPU Tag Word
// FIXME: FPU Data Pointer
// FIXME: FPU Instruction Pointer ?
// FIXME: FPU Last OP Code ?
Region* m_cached_code_region { nullptr };
u8* m_cached_code_base_ptr { nullptr };
};