d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

loader.efi: use and prefer coninex interface

Browse Source 
Add support for EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.
This commit is contained in:
Toomas Soome 2019-09-02 11:04:17 +00:00
parent 591d5f0ef5
commit 05b24e8617
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=351696
1 changed files with 66 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

73
stand/efi/libefi/efi_console.c
View File

@ -32,8 +32,10 @@ __FBSDID("$FreeBSD$");
#include "bootstrap.h"
static EFI_GUID simple_input_ex_guid = EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID;
static SIMPLE_TEXT_OUTPUT_INTERFACE *conout;
static SIMPLE_INPUT_INTERFACE *conin;
static EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *coninex;
#ifdef TERM_EMU
#define DEFAULT_FGCOLOR EFI_LIGHTGRAY
@ -115,6 +117,8 @@ efi_cons_probe(struct console *cp)
static int
efi_cons_init(int arg)
{
EFI_STATUS status;
#ifdef TERM_EMU
conout->SetAttribute(conout, EFI_TEXT_ATTR(DEFAULT_FGCOLOR,
DEFAULT_BGCOLOR));
@ -125,7 +129,11 @@ efi_cons_init(int arg)
bg_c = DEFAULT_BGCOLOR;
#endif
conout->EnableCursor(conout, TRUE);
return 0;
status = BS->OpenProtocol(ST->ConsoleInHandle, &simple_input_ex_guid,
(void **)&coninex, IH, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);
if (status != EFI_SUCCESS)
coninex = NULL;
return (0);
}
static void
@ -524,6 +532,40 @@ efi_readkey(void)
return (false);
}
static bool
efi_readkey_ex(void)
{
EFI_STATUS status;
EFI_INPUT_KEY *kp;
EFI_KEY_DATA key_data;
uint32_t kss;
status = coninex->ReadKeyStrokeEx(coninex, &key_data);
if (status == EFI_SUCCESS) {
kss = key_data.KeyState.KeyShiftState;
kp = &key_data.Key;
if (kss & EFI_SHIFT_STATE_VALID) {
/*
* quick mapping to control chars, replace with
* map lookup later.
*/
if (kss & EFI_RIGHT_CONTROL_PRESSED ||
kss & EFI_LEFT_CONTROL_PRESSED) {
if (kp->UnicodeChar >= 'a' &&
kp->UnicodeChar <= 'z') {
kp->UnicodeChar -= 'a';
kp->UnicodeChar++;
}
}
}
keybuf_inschar(kp);
return (true);
}
return (false);
}
int
efi_cons_getchar(void)
{
@ -534,8 +576,13 @@ efi_cons_getchar(void)
key_pending = 0;
if (efi_readkey())
return (keybuf_getchar());
if (coninex == NULL) {
if (efi_readkey())
return (keybuf_getchar());
} else {
if (efi_readkey_ex())
return (keybuf_getchar());
}
return (-1);
}
@ -543,6 +590,7 @@ efi_cons_getchar(void)
int
efi_cons_poll(void)
{
EFI_STATUS status;
if (keybuf_ischar() || key_pending)
return (1);
@ -552,10 +600,21 @@ efi_cons_poll(void)
* WaitForKey().
* CheckEvent() can clear the signaled state.
*/
if (conin->WaitForKey == NULL)
key_pending = efi_readkey();
else
key_pending = BS->CheckEvent(conin->WaitForKey) == EFI_SUCCESS;
if (coninex != NULL) {
if (coninex->WaitForKeyEx == NULL) {
key_pending = efi_readkey_ex();
} else {
status = BS->CheckEvent(coninex->WaitForKeyEx);
key_pending = status == EFI_SUCCESS;
}
} else {
if (conin->WaitForKey == NULL) {
key_pending = efi_readkey();
} else {
status = BS->CheckEvent(conin->WaitForKey);
key_pending = status == EFI_SUCCESS;
}
}
return (key_pending);
}