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Lift 255x255 erminal sie restriction to 65535x65535. Also change from

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bitmasks to small structures of size chosen to fit in registers.
This commit is contained in:
Vladimir 'phcoder' Serbinenko 2013-10-19 23:59:32 +02:00
parent 7abdac8e13
commit e89c2d48a9
24 changed files with 266 additions and 244 deletions
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29
include/grub/term.h
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@ -155,6 +155,13 @@ struct grub_term_input
};
typedef struct grub_term_input *grub_term_input_t;
/* Made in a way to fit into uint32_t and so be passed in a register. */
struct grub_term_coordinate
{
grub_uint8_t x;
grub_uint8_t y;
};
struct grub_term_output
{
/* The next terminal. */
@ -179,15 +186,15 @@ struct grub_term_output
grub_ssize_t (*getcharwidth) (struct grub_term_output *term,
const struct grub_unicode_glyph *c);
/* Get the screen size. The return value is ((Width << 8) | Height). */
grub_uint16_t (*getwh) (struct grub_term_output *term);
/* Get the screen size. */
struct grub_term_coordinate (*getwh) (struct grub_term_output *term);
/* Get the cursor position. The return value is ((X << 8) | Y). */
grub_uint16_t (*getxy) (struct grub_term_output *term);
struct grub_term_coordinate (*getxy) (struct grub_term_output *term);
/* Go to the position (X, Y). */
void (*gotoxy) (struct grub_term_output *term,
grub_uint8_t x, grub_uint8_t y);
struct grub_term_coordinate pos);
/* Clear the screen. */
void (*cls) (struct grub_term_output *term);
@ -314,20 +321,20 @@ int EXPORT_FUNC(grub_getkey_noblock) (void);
void grub_cls (void);
void EXPORT_FUNC(grub_refresh) (void);
void grub_puts_terminal (const char *str, struct grub_term_output *term);
grub_uint16_t *grub_term_save_pos (void);
void grub_term_restore_pos (grub_uint16_t *pos);
struct grub_term_coordinate *grub_term_save_pos (void);
void grub_term_restore_pos (struct grub_term_coordinate *pos);
static inline unsigned grub_term_width (struct grub_term_output *term)
{
return ((term->getwh(term)&0xFF00)>>8);
return term->getwh(term).x;
}
static inline unsigned grub_term_height (struct grub_term_output *term)
{
return (term->getwh(term)&0xFF);
return term->getwh(term).y;
}
static inline grub_uint16_t
static inline struct grub_term_coordinate
grub_term_getxy (struct grub_term_output *term)
{
return term->getxy (term);
@ -341,9 +348,9 @@ grub_term_refresh (struct grub_term_output *term)
}
static inline void
grub_term_gotoxy (struct grub_term_output *term, grub_uint8_t x, grub_uint8_t y)
grub_term_gotoxy (struct grub_term_output *term, struct grub_term_coordinate pos)
{
term->gotoxy (term, x, y);
term->gotoxy (term, pos);
}
static inline void