Commit 83464f11 authored Jun 11, 2020 by Andy Ross Committed by Carles Cufi Jul 08, 2020

sys/sys_io.h: Memory mapped I/O APIs must be pointer-sized, not 32 bit!



The mm_reg_t type used to represent a MMIO address (e.g. in the
sys_write*() APIs) was defined to a uint32_t, which is obviously wrong
on 64 bit systems where devices can be mapped anywhere.

Signed-off-by: Andy Ross <andrew.j.ross@intel.com>

parent 36b8db01

include/sys/sys_io.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -17,7 +17,7 @@ extern "C" {
		#endif

		typedef uint32_t io_port_t;
		typedef uint32_t mm_reg_t;
		typedef uintptr_t mm_reg_t;
		typedef uintptr_t mem_addr_t;

		/* Port I/O functions */

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