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Ring3: Defined CallInstallMultipleProtocolInterfaces() for ARM.

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This commit is contained in:
Mikhail Krichanov 2024-07-09 11:47:24 +03:00
parent bdea79e171
commit 0d17ab3d92
1 changed files with 32 additions and 1 deletions
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33
MdeModulePkg/Core/Dxe/SysCall/ARM/CoreBootServices.S
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@ -20,7 +20,38 @@
// ); // );
//------------------------------------------------------------------------------ //------------------------------------------------------------------------------
ASM_FUNC(CallInstallMultipleProtocolInterfaces) ASM_FUNC(CallInstallMultipleProtocolInterfaces)
bx LR push {R4-R8, LR}
mov R7, SP
// Save function input.
mov R4, R3
mov R5, R1
mov R6, R2
// Prepare registers for call.
ldmfd R5, {R1-R3}
// Prepare stack for call.
cmp R6, #3
ble call
add R5, R5, R6, LSL #2
sub R6, R6, #3
tst R6, #1
beq copy
// To align stack on 8 bytes.
add R5, R5, #0x4
add R6, R6, #1
copy:
sub R5, R5, #0x4
ldmfd R5, {R8}
push {R8}
subs R6, R6, #1
bne copy
call:
blx R4
mov SP, R7
pop {R4-R8, LR}
bx LR
//------------------------------------------------------------------------------ //------------------------------------------------------------------------------
// EFI_STATUS // EFI_STATUS