Function allocatePool [src]

Allocates a memory region of size bytes from memory of type pool_type and returns the allocated memory. Allocates pages from .conventional_memory as needed to grow the requested pool type.

Prototype

pub fn allocatePool( self: *BootServices, pool_type: MemoryType, size: usize, ) AllocatePoolError![]align(8) u8

Parameters

self: *BootServicespool_type: MemoryTypesize: usize

Possible Errors

InvalidParameter

OutOfResources

Unexpected UnexpectedError

Source

  pub fn allocatePool(
    self: *BootServices,
    pool_type: MemoryType,
    size: usize,
) AllocatePoolError![]align(8) u8 {
    var ptr: [*]align(8) u8 = undefined;

    switch (self._allocatePool(pool_type, size, &ptr)) {
        .success => return ptr[0..size],
        .out_of_resources => return error.OutOfResources,
        .invalid_parameter => return error.InvalidParameter,
        else => |status| return uefi.unexpectedStatus(status),
    }
}  