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- From 5c0a443ba336f10a8db6a99c769aa84ad37ed4d2 Mon Sep 17 00:00:00 2001
- From: Vadim Kochan <vadim4j@gmail.com>
- Date: Wed, 20 Feb 2019 02:48:43 +0200
- Subject: [PATCH] meminfo: Access to io memory via pointers
- The main reason for this is to be able compile with musl library,
- because there is no support of inx/outx functions for ARM platform.
- Signed-off-by: Vadim Kochan <vadim4j@gmail.com>
- ---
- meminfo.c | 11 ++++++-----
- 1 file changed, 6 insertions(+), 5 deletions(-)
- diff --git a/meminfo.c b/meminfo.c
- index 0b0ff23..7d9f10f 100644
- --- a/meminfo.c
- +++ b/meminfo.c
- @@ -22,7 +22,6 @@
- #include <sys/mman.h>
- #include <stdint.h>
- #include <errno.h>
- -#include <sys/io.h>
- #include <stdbool.h>
-
- #include "common.h"
- @@ -74,24 +73,26 @@ static enum sunxi_soc_version soc_version;
- unsigned int
- sunxi_io_read(void *base, int offset)
- {
- - return inl((unsigned long) (base + offset));
- + unsigned long port = (unsigned long) (base + offset);
- + return *((volatile unsigned long *) port);
- }
-
- void
- sunxi_io_write(void *base, int offset, unsigned int value)
- {
- - outl(value, (unsigned long) (base + offset));
- + unsigned long port = (unsigned long) (base + offset);
- + *((volatile unsigned long *) port) = value;
- }
-
- void
- sunxi_io_mask(void *base, int offset, unsigned int value, unsigned int mask)
- {
- - unsigned int tmp = inl((unsigned long) (base + offset));
- + unsigned int tmp = sunxi_io_read(base, offset);
-
- tmp &= ~mask;
- tmp |= value & mask;
-
- - outl(tmp, (unsigned long) (base + offset));
- + sunxi_io_write(base, offset, tmp);
- }
-
-
- --
- 2.14.1
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