| 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 |
| |