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[Qemu-devel] [PATCH v4 04/12] libqos: Add support for memory-mapped fw_c
From: |
Markus Armbruster |
Subject: |
[Qemu-devel] [PATCH v4 04/12] libqos: Add support for memory-mapped fw_cfg |
Date: |
Wed, 26 Jun 2013 15:52:15 +0200 |
Signed-off-by: Markus Armbruster <address@hidden>
---
tests/libqos/fw_cfg.c | 29 +++++++++++++++++++++++++++++
tests/libqos/fw_cfg.h | 3 +++
2 files changed, 32 insertions(+)
diff --git a/tests/libqos/fw_cfg.c b/tests/libqos/fw_cfg.c
index e386ff7..49d1683 100644
--- a/tests/libqos/fw_cfg.c
+++ b/tests/libqos/fw_cfg.c
@@ -2,15 +2,19 @@
* libqos fw_cfg support
*
* Copyright IBM, Corp. 2012-2013
+ * Copyright (C) 2013 Red Hat Inc.
*
* Authors:
* Anthony Liguori <address@hidden>
+ * Markus Armbruster <address@hidden>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
+#include <glib.h>
#include "libqos/fw_cfg.h"
+#include "libqtest.h"
#include "qemu/bswap.h"
void qfw_cfg_select(QFWCFG *fw_cfg, uint16_t key)
@@ -50,3 +54,28 @@ uint64_t qfw_cfg_get_u64(QFWCFG *fw_cfg, uint16_t key)
return le64_to_cpu(value);
}
+static void mm_fw_cfg_select(QFWCFG *fw_cfg, uint16_t key)
+{
+ writew(fw_cfg->base, key);
+}
+
+static void mm_fw_cfg_read(QFWCFG *fw_cfg, void *data, size_t len)
+{
+ uint8_t *ptr = data;
+ int i;
+
+ for (i = 0; i < len; i++) {
+ ptr[i] = readb(fw_cfg->base + 2);
+ }
+}
+
+QFWCFG *mm_fw_cfg_init(uint64_t base)
+{
+ QFWCFG *fw_cfg = g_malloc0(sizeof(*fw_cfg));
+
+ fw_cfg->base = base;
+ fw_cfg->select = mm_fw_cfg_select;
+ fw_cfg->read = mm_fw_cfg_read;
+
+ return fw_cfg;
+}
diff --git a/tests/libqos/fw_cfg.h b/tests/libqos/fw_cfg.h
index 44fc42b..19bb053 100644
--- a/tests/libqos/fw_cfg.h
+++ b/tests/libqos/fw_cfg.h
@@ -20,6 +20,7 @@ typedef struct QFWCFG QFWCFG;
struct QFWCFG
{
+ uint64_t base;
void (*select)(QFWCFG *fw_cfg, uint16_t key);
void (*read)(QFWCFG *fw_cfg, void *data, size_t len);
};
@@ -31,4 +32,6 @@ uint16_t qfw_cfg_get_u16(QFWCFG *fw_cfg, uint16_t key);
uint32_t qfw_cfg_get_u32(QFWCFG *fw_cfg, uint16_t key);
uint64_t qfw_cfg_get_u64(QFWCFG *fw_cfg, uint16_t key);
+QFWCFG *mm_fw_cfg_init(uint64_t base);
+
#endif
--
1.7.11.7
- [Qemu-devel] [PATCH v4 00/12] Boot order tests, Markus Armbruster, 2013/06/26
- [Qemu-devel] [PATCH v4 03/12] libqos: include dependencies, Markus Armbruster, 2013/06/26
- [Qemu-devel] [PATCH v4 09/12] boot-order-test: Add tests for PowerPC PREP, Markus Armbruster, 2013/06/26
- [Qemu-devel] [PATCH v4 10/12] boot-order-test: Add tests for Sun4m, Markus Armbruster, 2013/06/26
- [Qemu-devel] [PATCH v4 02/12] boot-order-test: New; covering just PC for now, Markus Armbruster, 2013/06/26
- [Qemu-devel] [PATCH v4 05/12] boot-order-test: Add tests for PowerMacs, Markus Armbruster, 2013/06/26
- [Qemu-devel] [PATCH v4 01/12] qtest: Don't reset on qtest chardev connect, Markus Armbruster, 2013/06/26
- [Qemu-devel] [PATCH v4 04/12] libqos: Add support for memory-mapped fw_cfg,
Markus Armbruster <=
- [Qemu-devel] [PATCH v4 11/12] libqos: Generalize I/O-mapped fw_cfg, Markus Armbruster, 2013/06/26
- [Qemu-devel] [PATCH v4 08/12] boot-order-test: Code motion for better readability, Markus Armbruster, 2013/06/26
- [Qemu-devel] [PATCH v4 06/12] boot-order-test: Cover -boot once in ppc tests, Markus Armbruster, 2013/06/26
- [Qemu-devel] [PATCH v4 12/12] boot-order-test: Add tests for Sun4u, Markus Armbruster, 2013/06/26
- [Qemu-devel] [PATCH v4 07/12] boot-order-test: Better separate target-specific and generic parts, Markus Armbruster, 2013/06/26