Change the terminal structure a bit, to turn the cursor state
explicitly. Suggested by Pavel Roskin.
* stage2/term.h (struct term_entry): Remove the member
`nocursor' and add `setcursor'.
[!STAGE1_5] (console_setcursor): New prototype.
[SUPPORT_HERCULES] (hercules_setcursor): Likewise.
[!STAGE1_5] (console_nocursor): Removed.
[SUPPORT_HERCULES] (hercules_nocursor): Likewise.
* stage2/stage2.c (run_menu): Call setcursor instead of
nocursor.
Call setcursor with 1 before starting a boot entry.
* stage2/shared.h (nocursor): Removed.
(setcursor): New prototype.
* stage2/hercules.c (herc_cursor_state): New variable.
(herc_turn_cursor): Removed.
(hercules_nocursor): Likewise.
(hercules_setcursor): New function.
* stage2/char_io.c (get_cmdline): Turn on the cursor at the
beginning, and restore it before returning.
(nocursor): Removed.
(setcursor): New function.
* stage2/asm.S (console_cursor_state): New variable.
(console_cursor_shape): Likewise.
(console_setcursor): New function.
(console_nocursor): Removed.
* grub/asmstub.c (console_setcursor): New function.
(hercules_setcursor): Likewise.
(console_nocursor): Removed.
(hercules_nocursor): Likewise.
The state was 0 - normal or 1 - highlight.
The state is now defined using an enum called color_state.
* stage2/term.h (color_state): New enum.
(COLOR_STATE_STANDARD): Standard color to use when not using user defined.
(COLOR_STATE_NORMAL): User defined normal color.
(COLOR_STATE_HIGHLIGHT): User defined highlight color.
(console_highlight): Renamed to console_setcolorstate.
(serial_highlight): Renamed to serial_setcolorstate.
(hercules_highlight): Renamed to hercules_setcolorstate.
* stage2/hercules.c (herc_highlight_state): Removed.
(herc_standard_color): New variable.
(herc_color_state): Likewise.
(herc_highlight): Renamed to herc_setcolorstate.
(herc_setcolorstate): Added switch to handle new states.
* stage2/console.c (console_highlight_state): Removed.
(console_standard_color): New variable.
(console_color_state): Likewise.
(console_highlight): Renamed to console_setcolorstate.
(console_setcolorstate): Added switch to handle new states.
* stage2/serial.c (serial_highlight): Renamed to serial_setcolorstate.
(serial_setcolorstate): Adjusted 'if' to suit new states.
* grub/asmstub.c (console_highlight): Renamed to console_setcolorstate.
(console_setcolorstate): Adjusted 'if' to suit new states.
* stage2/stage2.c (print_entry): Set color states using new states.
(print_border): Likewise.
* stage2/stage2.c (run_menu): Reverse if (!) to if () for uniformitty.
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