// ldr reg, =expr does not work with current Apple tool chain. So do the work our selves\r
//\r
\r
-// returns _Data in R0 and _Address in R1\r
-#define MmioWrite32(_Address, _Data) \\r
- ldr r1, [pc, #8] ; \\r
- ldr r0, [pc, #8] ; \\r
- str r0, [r1] ; \\r
- b 1f ; \\r
- .long (_Address) ; \\r
- .long (_Data) ; \\r
-1:\r
-\r
-// returns _Data in R0 and _Address in R1, and _OrData in r2\r
-#define MmioOr32(_Address, _OrData) \\r
- ldr r1, [pc, #16] ; \\r
- ldr r2, [pc, #16] ; \\r
- ldr r0, [r1] ; \\r
- orr r0, r0, r2 ; \\r
- str r0, [r1] ; \\r
- b 1f ; \\r
- .long (_Address) ; \\r
- .long (_OrData) ; \\r
-1:\r
-\r
-// returns _Data in R0 and _Address in R1, and _OrData in r2\r
-#define MmioAnd32(_Address, _AndData) \\r
- ldr r1, [pc, #16] ; \\r
- ldr r2, [pc, #16] ; \\r
- ldr r0, [r1] ; \\r
- and r0, r0, r2 ; \\r
- str r0, [r1] ; \\r
- b 1f ; \\r
- .long (_Address) ; \\r
- .long (_AndData) ; \\r
-1:\r
-\r
-// returns result in R0, _Address in R1, and _OrData in r2\r
-#define MmioAndThenOr32(_Address, _AndData, _OrData) \\r
- ldr r1, [pc, #24] ; \\r
- ldr r0, [r1] ; \\r
- ldr r2, [pc, #20] ; \\r
- and r0, r0, r2 ; \\r
- ldr r2, [pc, #16] ; \\r
- orr r0, r0, r2 ; \\r
- str r0, [r1] ; \\r
- b 1f ; \\r
- .long (_Address) ; \\r
- .long (_AndData) ; \\r
- .long (_OrData) ; \\r
-1:\r
-\r
-// returns _Data in _Reg and _Address in R1\r
-#define MmioWriteFromReg32(_Address, _Reg) \\r
- ldr r1, [pc, #4] ; \\r
- str _Reg, [r1] ; \\r
- b 1f ; \\r
- .long (_Address) ; \\r
-1:\r
-\r
-\r
-// returns _Data in R0 and _Address in R1\r
-#define MmioRead32(_Address) \\r
- ldr r1, [pc, #4] ; \\r
- ldr r0, [r1] ; \\r
- b 1f ; \\r
- .long (_Address) ; \\r
-1:\r
-\r
-// returns _Data in Reg and _Address in R1\r
-#define MmioReadToReg32(_Address, _Reg) \\r
- ldr r1, [pc, #4] ; \\r
- ldr _Reg, [r1] ; \\r
- b 1f ; \\r
- .long (_Address) ; \\r
-1:\r
-\r
-\r
-// load R0 with _Data\r
-#define LoadConstant(_Data) \\r
- ldr r0, [pc, #0] ; \\r
- b 1f ; \\r
- .long (_Data) ; \\r
-1:\r
-\r
// load _Reg with _Data\r
#define LoadConstantToReg(_Data, _Reg) \\r
ldr _Reg, [pc, #0] ; \\r
.long (_Data) ; \\r
1:\r
\r
-// load _Reg with _Data if eq\r
-#define LoadConstantToRegIfEq(_Data, _Reg) \\r
- ldreq _Reg, [pc, #0] ; \\r
- b 1f ; \\r
- .long (_Data) ; \\r
-1:\r
-\r
-// Reserve a region at the top of the Primary Core stack\r
-// for Global variables for the XIP phase\r
-#define SetPrimaryStack(StackTop, GlobalSize, Tmp) \\r
- and Tmp, GlobalSize, #7 ; \\r
- rsbne Tmp, Tmp, #8 ; \\r
- add GlobalSize, GlobalSize, Tmp ; \\r
- sub sp, StackTop, GlobalSize ; \\r
- ; \\r
- mov Tmp, sp ; \\r
- mov GlobalSize, #0x0 ; \\r
-_SetPrimaryStackInitGlobals: ; \\r
- cmp Tmp, StackTop ; \\r
- beq _SetPrimaryStackEnd ; \\r
- str GlobalSize, [Tmp], #4 ; \\r
- b _SetPrimaryStackInitGlobals ; \\r
-_SetPrimaryStackEnd:\r
-\r
-// Initialize the Global Variable with '0'\r
-#define InitializePrimaryStack(GlobalSize, Tmp1) \\r
- and Tmp1, GlobalSize, #7 ; \\r
- rsbne Tmp1, Tmp1, #8 ; \\r
- add GlobalSize, GlobalSize, Tmp1 ; \\r
- ; \\r
- mov Tmp1, sp ; \\r
- sub sp, GlobalSize ; \\r
- mov GlobalSize, #0x0 ; \\r
-_InitializePrimaryStackLoop: ; \\r
- cmp Tmp1, sp ; \\r
- bls _InitializePrimaryStackEnd ; \\r
- str GlobalSize, [Tmp1, #-4]! ; \\r
- b _InitializePrimaryStackLoop ; \\r
-_InitializePrimaryStackEnd:\r
-\r
#elif defined (__GNUC__)\r
\r
-#define MmioWrite32(Address, Data) \\r
- ldr r1, =Address ; \\r
- ldr r0, =Data ; \\r
- str r0, [r1]\r
-\r
-#define MmioOr32(Address, OrData) \\r
- ldr r1, =Address ; \\r
- ldr r2, =OrData ; \\r
- ldr r0, [r1] ; \\r
- orr r0, r0, r2 ; \\r
- str r0, [r1]\r
-\r
-#define MmioAnd32(Address, AndData) \\r
- ldr r1, =Address ; \\r
- ldr r2, =AndData ; \\r
- ldr r0, [r1] ; \\r
- and r0, r0, r2 ; \\r
- str r0, [r1]\r
-\r
-#define MmioAndThenOr32(Address, AndData, OrData) \\r
- ldr r1, =Address ; \\r
- ldr r0, [r1] ; \\r
- ldr r2, =AndData ; \\r
- and r0, r0, r2 ; \\r
- ldr r2, =OrData ; \\r
- orr r0, r0, r2 ; \\r
- str r0, [r1]\r
-\r
-#define MmioWriteFromReg32(Address, Reg) \\r
- ldr r1, =Address ; \\r
- str Reg, [r1]\r
-\r
-#define MmioRead32(Address) \\r
- ldr r1, =Address ; \\r
- ldr r0, [r1]\r
-\r
-#define MmioReadToReg32(Address, Reg) \\r
- ldr r1, =Address ; \\r
- ldr Reg, [r1]\r
-\r
-#define LoadConstant(Data) \\r
- ldr r0, =Data\r
-\r
#define LoadConstantToReg(Data, Reg) \\r
ldr Reg, =Data\r
\r
// Less magic in the macros if ldr reg, =expr works\r
//\r
\r
-// returns _Data in R0 and _Address in R1\r
-\r
-\r
-\r
-#define MmioWrite32(Address, Data) MmioWrite32Macro Address, Data\r
-\r
-\r
-\r
-\r
-// returns Data in R0 and Address in R1, and OrData in r2\r
-#define MmioOr32(Address, OrData) MmioOr32Macro Address, OrData\r
-\r
-\r
-// returns _Data in R0 and _Address in R1, and _OrData in r2\r
-\r
-\r
-#define MmioAnd32(Address, AndData) MmioAnd32Macro Address, AndData\r
-\r
-// returns result in R0, _Address in R1, and _OrData in r2\r
-\r
-\r
-#define MmioAndThenOr32(Address, AndData, OrData) MmioAndThenOr32Macro Address, AndData, OrData\r
-\r
-\r
-// returns _Data in _Reg and _Address in R1\r
-\r
-\r
-#define MmioWriteFromReg32(Address, Reg) MmioWriteFromReg32Macro Address, Reg\r
-\r
-// returns _Data in R0 and _Address in R1\r
-\r
-\r
-#define MmioRead32(Address) MmioRead32Macro Address\r
-\r
-// returns _Data in Reg and _Address in R1\r
-\r
-\r
-#define MmioReadToReg32(Address, Reg) MmioReadToReg32Macro Address, Reg\r
-\r
-\r
-// load R0 with _Data\r
-\r
-\r
-#define LoadConstant(Data) LoadConstantMacro Data\r
-\r
// load _Reg with _Data\r
\r
\r
#define LoadConstantToReg(Data, Reg) LoadConstantToRegMacro Data, Reg\r
\r
-// conditional load testing eq flag\r
-#define LoadConstantToRegIfEq(Data, Reg) LoadConstantToRegIfEqMacro Data, Reg\r
-\r
#endif\r
\r
#endif\r
projects / mirror_edk2.git / blobdiff