diff options
| author | Markus Armbruster <armbru@redhat.com> | 2013-06-26 15:52:15 +0200 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2013-07-18 13:27:46 -0500 |
| commit | 7a10016509f740ef33b7875630d6c3549d57c6e8 (patch) | |
| tree | f915a3a59ffa8854a86e40e4073c75b8923a3d13 /tests | |
| parent | db2b5500c9780730b8ad09fca4a1d2de365dcbf0 (diff) | |
| download | qemu-7a10016509f740ef33b7875630d6c3549d57c6e8.tar.gz | |
libqos: Add support for memory-mapped fw_cfg
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1372254743-15808-5-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/libqos/fw_cfg.c | 29 | ||||
| -rw-r--r-- | tests/libqos/fw_cfg.h | 3 |
2 files changed, 32 insertions, 0 deletions
diff --git a/tests/libqos/fw_cfg.c b/tests/libqos/fw_cfg.c index e386ff7ba7..49d16831ee 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 <aliguori@us.ibm.com> + * Markus Armbruster <armbru@redhat.com> * * 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 44fc42ba11..19bb0530e7 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 |