diff options
author | 2015-08-28 09:58:54 +0800 | |
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committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/openbios/utils/ofclient/of1275_io.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/openbios/utils/ofclient/of1275_io.c')
-rw-r--r-- | qemu/roms/openbios/utils/ofclient/of1275_io.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/qemu/roms/openbios/utils/ofclient/of1275_io.c b/qemu/roms/openbios/utils/ofclient/of1275_io.c new file mode 100644 index 000000000..25d1132c3 --- /dev/null +++ b/qemu/roms/openbios/utils/ofclient/of1275_io.c @@ -0,0 +1,51 @@ +#include "of1275.h" + +static int of_write_initialized = 0; +static int stdout_ihandle = 0; +static int of_read_initialized = 0; +static int stdin_ihandle = 0; + +int write(int fd, char *buf, int len) +{ + int actual; + + if (fd != 1 && fd != 2) { + // printk("write: bad id %x\n", fd); + exit(1); + } + + if (!of_write_initialized) { + stdout_ihandle = + of_find_integer_property("/chosen", "stdout"); + // printk("stdout_ihandle: %x\n",stdout_ihandle); + of_write_initialized = 1; + } + + of1275_write(stdout_ihandle, buf, len, &actual); + return actual; +} + +int read(int fd, char *buf, int len) +{ + int actual; + + if (fd != 0) { + // printk("write: bad id %x\n", fd); + exit(1); + } + + if (!of_read_initialized) { + stdin_ihandle = + of_find_integer_property("/chosen", "stdin"); + of_read_initialized = 1; + } + + of1275_read(stdin_ihandle, buf, len, &actual); + return actual; +} + +exit(int status) +{ + of1275_exit(status); + while (1); +} |