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//arm prologue for dynarec
//Save stuff, prepare stack and register
//called with pointer to emu as 1st parameter
//and address to jump to as 2nd parameter
.text
.align 4
.global arm64_prolog
arm64_prolog:
//save all 18 used register
stp x30, x29, [sp, -16]! // save lr
sub sp, sp, (8 * 18)
stp x19, x20, [sp, (8 * 0)]
stp x21, x22, [sp, (8 * 2)]
stp x23, x24, [sp, (8 * 4)]
stp x25, x26, [sp, (8 * 6)]
stp x27, X28, [sp, (8 * 8)]
stp d8, d9, [sp, (8 *10)]
stp d10, d11, [sp, (8 *12)]
stp d12, d13, [sp, (8 *14)]
stp d14, d15, [sp, (8 *16)]
//vpush {d8-d15} // save NEON regs?
//setup emu -> register
ldp x10, x11, [x0, (8 * 0)]
ldp x12, x13, [x0, (8 * 2)]
ldp x14, x15, [x0, (8 * 4)]
ldp x16, x17, [x0, (8 * 6)]
ldp x18, x19, [x0, (8 * 8)]
ldp x20, x21, [x0, (8 * 10)]
ldp x22, x23, [x0, (8 * 12)]
ldp x24, x25, [x0, (8 * 14)]
ldp x26, x27, [x0, (8 * 16)]
// Push a jump next on the stack
stp xzr, xzr, [sp, -16]!
// Save old xSP in x28
add x28, sp, 16
//jump to function
br x1
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