KernelModule/source/kernel.s

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ArmAsm
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2020-05-28 21:52:29 +02:00
.global SCKernelCopyData
SCKernelCopyData:
// Disable data address translation
mfmsr %r6
li %r7, 0x10
andc %r6, %r6, %r7
mtmsr %r6
// Copy data
addi %r3, %r3, -1
addi %r4, %r4, -1
mtctr %r5
SCKernelCopyData_loop:
lbzu %r5, 1(%r4)
stbu %r5, 1(%r3)
bdnz SCKernelCopyData_loop
// Enable data address translation
ori %r6, %r6, 0x10
mtmsr %r6
blr
.global KernelCopyDataInternal
KernelCopyDataInternal:
li %r0, 0x2500
sc
blr
.globl KernelReadSRsInternal
KernelReadSRsInternal:
li %r0, 0x3600
sc
blr
.globl KernelWriteSRsInternal
KernelWriteSRsInternal:
li %r0, 0x0A00
sc
blr