From 2acaf27cd7f4f32bfe8bf7335690618e2417e744 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Wed, 9 Apr 2025 21:13:54 -0400 Subject: vt: move unicode processing to a separate file This will make it easier to maintain. Also make it depend on CONFIG_CONSOLE_TRANSLATIONS. Signed-off-by: Nicolas Pitre Link: https://lore.kernel.org/r/20250410011839.64418-3-nico@fluxnic.net Signed-off-by: Greg Kroah-Hartman --- include/linux/consolemap.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/linux') diff --git a/include/linux/consolemap.h b/include/linux/consolemap.h index c35db4896c37..caf079bcb8c9 100644 --- a/include/linux/consolemap.h +++ b/include/linux/consolemap.h @@ -28,6 +28,7 @@ int conv_uni_to_pc(struct vc_data *conp, long ucs); u32 conv_8bit_to_uni(unsigned char c); int conv_uni_to_8bit(u32 uni); void console_map_init(void); +bool ucs_is_double_width(uint32_t cp); #else static inline u16 inverse_translate(const struct vc_data *conp, u16 glyph, bool use_unicode) @@ -57,6 +58,11 @@ static inline int conv_uni_to_8bit(u32 uni) } static inline void console_map_init(void) { } + +static inline bool ucs_is_double_width(uint32_t cp) +{ + return false; +} #endif /* CONFIG_CONSOLE_TRANSLATIONS */ #endif /* __LINUX_CONSOLEMAP_H__ */ -- cgit v1.2.3 From e88391f730e46d208b7fb37b02611d24137af1ef Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Wed, 9 Apr 2025 21:13:55 -0400 Subject: vt: properly support zero-width Unicode code points Zero-width Unicode code points are causing misalignment in vertically aligned content, disrupting the visual layout. Let's handle zero-width code points more intelligently. Double-width code points are stored in the screen grid followed by a white space code point to create the expected screen layout. When a double-width code point is followed by a zero-width code point in the console incoming bytestream (e.g., an emoji with a presentation selector) then we may replace the white space padding by that zero-width code point instead of dropping it. This maximize screen content information while preserving proper layout. If a zero-width code point is preceded by a single-width code point then the above trick is not possible and such zero-width code point must be dropped. VS16 (Variation Selector 16, U+FE0F) is special as it doubles the width of the preceding single-width code point. We handle that case by giving VS16 a width of 1 when that happens. Signed-off-by: Nicolas Pitre Link: https://lore.kernel.org/r/20250410011839.64418-4-nico@fluxnic.net Signed-off-by: Greg Kroah-Hartman --- include/linux/consolemap.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'include/linux') diff --git a/include/linux/consolemap.h b/include/linux/consolemap.h index caf079bcb8c9..7d778752dcef 100644 --- a/include/linux/consolemap.h +++ b/include/linux/consolemap.h @@ -29,6 +29,11 @@ u32 conv_8bit_to_uni(unsigned char c); int conv_uni_to_8bit(u32 uni); void console_map_init(void); bool ucs_is_double_width(uint32_t cp); +static inline bool ucs_is_zero_width(uint32_t cp) +{ + /* coming soon */ + return false; +} #else static inline u16 inverse_translate(const struct vc_data *conp, u16 glyph, bool use_unicode) @@ -63,6 +68,11 @@ static inline bool ucs_is_double_width(uint32_t cp) { return false; } + +static inline bool ucs_is_zero_width(uint32_t cp) +{ + return false; +} #endif /* CONFIG_CONSOLE_TRANSLATIONS */ #endif /* __LINUX_CONSOLEMAP_H__ */ -- cgit v1.2.3 From 3a1ab63aa05b4736a7d30ae0a769385662f13def Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Wed, 9 Apr 2025 21:13:57 -0400 Subject: vt: update ucs_width.c using gen_ucs_width.py This replaces ucs_width.c with the code generated by gen_ucs_width.py providing comprehensive tables for double-width and zero-width Unicode code points. Also make ucs_is_zero_width() effective. Note: scripts/checkpatch.pl complains about "... exceeds 100 columns". Please ignore. Signed-off-by: Nicolas Pitre Link: https://lore.kernel.org/r/20250410011839.64418-6-nico@fluxnic.net Signed-off-by: Greg Kroah-Hartman --- include/linux/consolemap.h | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) (limited to 'include/linux') diff --git a/include/linux/consolemap.h b/include/linux/consolemap.h index 7d778752dcef..b3a911866662 100644 --- a/include/linux/consolemap.h +++ b/include/linux/consolemap.h @@ -29,11 +29,7 @@ u32 conv_8bit_to_uni(unsigned char c); int conv_uni_to_8bit(u32 uni); void console_map_init(void); bool ucs_is_double_width(uint32_t cp); -static inline bool ucs_is_zero_width(uint32_t cp) -{ - /* coming soon */ - return false; -} +bool ucs_is_zero_width(uint32_t cp); #else static inline u16 inverse_translate(const struct vc_data *conp, u16 glyph, bool use_unicode) -- cgit v1.2.3 From 54af55b990eda5a6a0140a3cded8094b42c0c3b7 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Wed, 9 Apr 2025 21:13:59 -0400 Subject: vt: create ucs_recompose.c using gen_ucs_recompose.py This provides ucs_recompose() to recompose two Unicode characters into a single character if possible. This is needed for the VT to properly display decomposed UTF8 sequences. Note: scripts/checkpatch.pl complains about "... exceeds 100 columns". Please ignore. Signed-off-by: Nicolas Pitre Link: https://lore.kernel.org/r/20250410011839.64418-8-nico@fluxnic.net Signed-off-by: Greg Kroah-Hartman --- include/linux/consolemap.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/linux') diff --git a/include/linux/consolemap.h b/include/linux/consolemap.h index b3a911866662..4d3a34c288e5 100644 --- a/include/linux/consolemap.h +++ b/include/linux/consolemap.h @@ -30,6 +30,7 @@ int conv_uni_to_8bit(u32 uni); void console_map_init(void); bool ucs_is_double_width(uint32_t cp); bool ucs_is_zero_width(uint32_t cp); +uint32_t ucs_recompose(uint32_t base, uint32_t combining); #else static inline u16 inverse_translate(const struct vc_data *conp, u16 glyph, bool use_unicode) @@ -69,6 +70,11 @@ static inline bool ucs_is_zero_width(uint32_t cp) { return false; } + +static inline uint32_t ucs_recompose(uint32_t base, uint32_t combining) +{ + return 0; +} #endif /* CONFIG_CONSOLE_TRANSLATIONS */ #endif /* __LINUX_CONSOLEMAP_H__ */ -- cgit v1.2.3 From be4e3097c1f800b0f39e7e60b2b28eb6603f5d06 Mon Sep 17 00:00:00 2001 From: Zijun Hu Date: Wed, 23 Apr 2025 22:40:56 +0800 Subject: tty: Remove unused API tty_port_register_device_serdev() Remove API tty_port_register_device_serdev() which has no caller. Signed-off-by: Zijun Hu Reviewed-by: Jiri Slaby Link: https://lore.kernel.org/r/20250423-remove_api-v1-1-fac673d09feb@quicinc.com Signed-off-by: Greg Kroah-Hartman --- include/linux/tty_port.h | 3 --- 1 file changed, 3 deletions(-) (limited to 'include/linux') diff --git a/include/linux/tty_port.h b/include/linux/tty_port.h index 1b861f2100b6..08f89a598366 100644 --- a/include/linux/tty_port.h +++ b/include/linux/tty_port.h @@ -147,9 +147,6 @@ struct device *tty_port_register_device_attr(struct tty_port *port, struct tty_driver *driver, unsigned index, struct device *device, void *drvdata, const struct attribute_group **attr_grp); -struct device *tty_port_register_device_serdev(struct tty_port *port, - struct tty_driver *driver, unsigned index, - struct device *host, struct device *parent); struct device *tty_port_register_device_attr_serdev(struct tty_port *port, struct tty_driver *driver, unsigned index, struct device *host, struct device *parent, void *drvdata, -- cgit v1.2.3 From 1404d3509c768732be51d0acf8330689936a692a Mon Sep 17 00:00:00 2001 From: "Jiri Slaby (SUSE)" Date: Fri, 25 Apr 2025 13:13:12 +0200 Subject: serial: switch uart_port::iotype to enum uart_iotype The inline-defined constants look weird. Instead, define a proper enum for them and type uart_port::iotype as that enum. This allows for proper checking in switch-case labels (somewhere, a default or UPIO_UNKNOWN label needs to be added/handled). Signed-off-by: Jiri Slaby (SUSE) Link: https://lore.kernel.org/r/20250425111315.1036184-4-jirislaby@kernel.org Signed-off-by: Greg Kroah-Hartman --- include/linux/serial_core.h | 30 ++++++++++++++++-------------- 1 file changed, 16 insertions(+), 14 deletions(-) (limited to 'include/linux') diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 743b4afaad4c..914b5e97e056 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -427,6 +427,18 @@ struct uart_icount { typedef u64 __bitwise upf_t; typedef unsigned int __bitwise upstat_t; +enum uart_iotype { + UPIO_UNKNOWN = -1, + UPIO_PORT = SERIAL_IO_PORT, /* 8b I/O port access */ + UPIO_HUB6 = SERIAL_IO_HUB6, /* Hub6 ISA card */ + UPIO_MEM = SERIAL_IO_MEM, /* driver-specific */ + UPIO_MEM32 = SERIAL_IO_MEM32, /* 32b little endian */ + UPIO_AU = SERIAL_IO_AU, /* Au1x00 and RT288x type IO */ + UPIO_TSI = SERIAL_IO_TSI, /* Tsi108/109 type IO */ + UPIO_MEM32BE = SERIAL_IO_MEM32BE, /* 32b big endian */ + UPIO_MEM16 = SERIAL_IO_MEM16, /* 16b little endian */ +}; + struct uart_port { spinlock_t lock; /* port lock */ unsigned long iobase; /* in/out[bwl] */ @@ -469,23 +481,13 @@ struct uart_port { unsigned char x_char; /* xon/xoff char */ unsigned char regshift; /* reg offset shift */ - unsigned char iotype; /* io access style */ - -#define UPIO_UNKNOWN ((unsigned char)~0U) /* UCHAR_MAX */ -#define UPIO_PORT (SERIAL_IO_PORT) /* 8b I/O port access */ -#define UPIO_HUB6 (SERIAL_IO_HUB6) /* Hub6 ISA card */ -#define UPIO_MEM (SERIAL_IO_MEM) /* driver-specific */ -#define UPIO_MEM32 (SERIAL_IO_MEM32) /* 32b little endian */ -#define UPIO_AU (SERIAL_IO_AU) /* Au1x00 and RT288x type IO */ -#define UPIO_TSI (SERIAL_IO_TSI) /* Tsi108/109 type IO */ -#define UPIO_MEM32BE (SERIAL_IO_MEM32BE) /* 32b big endian */ -#define UPIO_MEM16 (SERIAL_IO_MEM16) /* 16b little endian */ - unsigned char quirks; /* internal quirks */ /* internal quirks must be updated while holding port mutex */ #define UPQ_NO_TXEN_TEST BIT(0) + enum uart_iotype iotype; /* io access style */ + unsigned int read_status_mask; /* driver specific */ unsigned int ignore_status_mask; /* driver specific */ struct uart_state *state; /* pointer to parent state */ @@ -1101,8 +1103,8 @@ static inline bool uart_console_registered(struct uart_port *port) struct uart_port *uart_get_console(struct uart_port *ports, int nr, struct console *c); -int uart_parse_earlycon(char *p, unsigned char *iotype, resource_size_t *addr, - char **options); +int uart_parse_earlycon(char *p, enum uart_iotype *iotype, + resource_size_t *addr, char **options); void uart_parse_options(const char *options, int *baud, int *parity, int *bits, int *flow); int uart_set_options(struct uart_port *port, struct console *co, int baud, -- cgit v1.2.3 From 6cccf837ac8d72e13c651f60d93545f9fb4e84ed Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sat, 26 Apr 2025 11:21:19 +0200 Subject: Revert "vt: create ucs_recompose.c using gen_ucs_recompose.py" This reverts commit 54af55b990eda5a6a0140a3cded8094b42c0c3b7. A new version of the series was submitted, so it's easier to revert the old one and add the new one due to the changes invovled. Cc: Nicolas Pitre Cc: Jiri Slaby Signed-off-by: Greg Kroah-Hartman --- include/linux/consolemap.h | 6 ------ 1 file changed, 6 deletions(-) (limited to 'include/linux') diff --git a/include/linux/consolemap.h b/include/linux/consolemap.h index 4d3a34c288e5..b3a911866662 100644 --- a/include/linux/consolemap.h +++ b/include/linux/consolemap.h @@ -30,7 +30,6 @@ int conv_uni_to_8bit(u32 uni); void console_map_init(void); bool ucs_is_double_width(uint32_t cp); bool ucs_is_zero_width(uint32_t cp); -uint32_t ucs_recompose(uint32_t base, uint32_t combining); #else static inline u16 inverse_translate(const struct vc_data *conp, u16 glyph, bool use_unicode) @@ -70,11 +69,6 @@ static inline bool ucs_is_zero_width(uint32_t cp) { return false; } - -static inline uint32_t ucs_recompose(uint32_t base, uint32_t combining) -{ - return 0; -} #endif /* CONFIG_CONSOLE_TRANSLATIONS */ #endif /* __LINUX_CONSOLEMAP_H__ */ -- cgit v1.2.3 From 67a4bb27461b0e3b39b27db688b5981b6eb62175 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sat, 26 Apr 2025 11:21:21 +0200 Subject: Revert "vt: update ucs_width.c using gen_ucs_width.py" This reverts commit 3a1ab63aa05b4736a7d30ae0a769385662f13def. A new version of the series was submitted, so it's easier to revert the old one and add the new one due to the changes invovled. Cc: Nicolas Pitre Cc: Jiri Slaby Signed-off-by: Greg Kroah-Hartman --- include/linux/consolemap.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'include/linux') diff --git a/include/linux/consolemap.h b/include/linux/consolemap.h index b3a911866662..7d778752dcef 100644 --- a/include/linux/consolemap.h +++ b/include/linux/consolemap.h @@ -29,7 +29,11 @@ u32 conv_8bit_to_uni(unsigned char c); int conv_uni_to_8bit(u32 uni); void console_map_init(void); bool ucs_is_double_width(uint32_t cp); -bool ucs_is_zero_width(uint32_t cp); +static inline bool ucs_is_zero_width(uint32_t cp) +{ + /* coming soon */ + return false; +} #else static inline u16 inverse_translate(const struct vc_data *conp, u16 glyph, bool use_unicode) -- cgit v1.2.3 From d3e92076c1af713e65edac109499c25c37f38c16 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sat, 26 Apr 2025 11:21:24 +0200 Subject: Revert "vt: properly support zero-width Unicode code points" This reverts commit e88391f730e46d208b7fb37b02611d24137af1ef. A new version of the series was submitted, so it's easier to revert the old one and add the new one due to the changes invovled. Cc: Nicolas Pitre Cc: Jiri Slaby Signed-off-by: Greg Kroah-Hartman --- include/linux/consolemap.h | 10 ---------- 1 file changed, 10 deletions(-) (limited to 'include/linux') diff --git a/include/linux/consolemap.h b/include/linux/consolemap.h index 7d778752dcef..caf079bcb8c9 100644 --- a/include/linux/consolemap.h +++ b/include/linux/consolemap.h @@ -29,11 +29,6 @@ u32 conv_8bit_to_uni(unsigned char c); int conv_uni_to_8bit(u32 uni); void console_map_init(void); bool ucs_is_double_width(uint32_t cp); -static inline bool ucs_is_zero_width(uint32_t cp) -{ - /* coming soon */ - return false; -} #else static inline u16 inverse_translate(const struct vc_data *conp, u16 glyph, bool use_unicode) @@ -68,11 +63,6 @@ static inline bool ucs_is_double_width(uint32_t cp) { return false; } - -static inline bool ucs_is_zero_width(uint32_t cp) -{ - return false; -} #endif /* CONFIG_CONSOLE_TRANSLATIONS */ #endif /* __LINUX_CONSOLEMAP_H__ */ -- cgit v1.2.3 From e42e607aefc4132d508a0e5724b5d0975d0a53e8 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Sat, 26 Apr 2025 11:21:25 +0200 Subject: Revert "vt: move unicode processing to a separate file" This reverts commit 2acaf27cd7f4f32bfe8bf7335690618e2417e744. A new version of the series was submitted, so it's easier to revert the old one and add the new one due to the changes invovled. Cc: Nicolas Pitre Cc: Jiri Slaby Signed-off-by: Greg Kroah-Hartman --- include/linux/consolemap.h | 6 ------ 1 file changed, 6 deletions(-) (limited to 'include/linux') diff --git a/include/linux/consolemap.h b/include/linux/consolemap.h index caf079bcb8c9..c35db4896c37 100644 --- a/include/linux/consolemap.h +++ b/include/linux/consolemap.h @@ -28,7 +28,6 @@ int conv_uni_to_pc(struct vc_data *conp, long ucs); u32 conv_8bit_to_uni(unsigned char c); int conv_uni_to_8bit(u32 uni); void console_map_init(void); -bool ucs_is_double_width(uint32_t cp); #else static inline u16 inverse_translate(const struct vc_data *conp, u16 glyph, bool use_unicode) @@ -58,11 +57,6 @@ static inline int conv_uni_to_8bit(u32 uni) } static inline void console_map_init(void) { } - -static inline bool ucs_is_double_width(uint32_t cp) -{ - return false; -} #endif /* CONFIG_CONSOLE_TRANSLATIONS */ #endif /* __LINUX_CONSOLEMAP_H__ */ -- cgit v1.2.3 From 07bc3f442f47b4d158468c2e0146475bdf009091 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Thu, 17 Apr 2025 14:45:04 -0400 Subject: vt: move unicode processing to a separate file This will make it easier to maintain. Also make it depend on CONFIG_CONSOLE_TRANSLATIONS. Signed-off-by: Nicolas Pitre Reviewed-by: Jiri Slaby Link: https://lore.kernel.org/r/20250417184849.475581-3-nico@fluxnic.net Signed-off-by: Greg Kroah-Hartman --- include/linux/consolemap.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/linux') diff --git a/include/linux/consolemap.h b/include/linux/consolemap.h index c35db4896c37..caf079bcb8c9 100644 --- a/include/linux/consolemap.h +++ b/include/linux/consolemap.h @@ -28,6 +28,7 @@ int conv_uni_to_pc(struct vc_data *conp, long ucs); u32 conv_8bit_to_uni(unsigned char c); int conv_uni_to_8bit(u32 uni); void console_map_init(void); +bool ucs_is_double_width(uint32_t cp); #else static inline u16 inverse_translate(const struct vc_data *conp, u16 glyph, bool use_unicode) @@ -57,6 +58,11 @@ static inline int conv_uni_to_8bit(u32 uni) } static inline void console_map_init(void) { } + +static inline bool ucs_is_double_width(uint32_t cp) +{ + return false; +} #endif /* CONFIG_CONSOLE_TRANSLATIONS */ #endif /* __LINUX_CONSOLEMAP_H__ */ -- cgit v1.2.3 From 95b05de0a56699392e67590d000df76fedec609a Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Thu, 17 Apr 2025 14:45:05 -0400 Subject: vt: properly support zero-width Unicode code points Zero-width Unicode code points are causing misalignment in vertically aligned content, disrupting the visual layout. Let's handle zero-width code points more intelligently. Double-width code points are stored in the screen grid followed by a white space code point to create the expected screen layout. When a double-width code point is followed by a zero-width code point in the console incoming bytestream (e.g., an emoji with a presentation selector) then we may replace the white space padding by that zero-width code point instead of dropping it. This maximize screen content information while preserving proper layout. If a zero-width code point is preceded by a single-width code point then the above trick is not possible and such zero-width code point must be dropped. VS16 (Variation Selector 16, U+FE0F) is special as it typically doubles the width of the preceding single-width code point. We handle that case by giving VS16 a width of 1 instead of 0 when that happens. Signed-off-by: Nicolas Pitre Reviewed-by: Jiri Slaby Link: https://lore.kernel.org/r/20250417184849.475581-4-nico@fluxnic.net Signed-off-by: Greg Kroah-Hartman --- include/linux/consolemap.h | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'include/linux') diff --git a/include/linux/consolemap.h b/include/linux/consolemap.h index caf079bcb8c9..7d778752dcef 100644 --- a/include/linux/consolemap.h +++ b/include/linux/consolemap.h @@ -29,6 +29,11 @@ u32 conv_8bit_to_uni(unsigned char c); int conv_uni_to_8bit(u32 uni); void console_map_init(void); bool ucs_is_double_width(uint32_t cp); +static inline bool ucs_is_zero_width(uint32_t cp) +{ + /* coming soon */ + return false; +} #else static inline u16 inverse_translate(const struct vc_data *conp, u16 glyph, bool use_unicode) @@ -63,6 +68,11 @@ static inline bool ucs_is_double_width(uint32_t cp) { return false; } + +static inline bool ucs_is_zero_width(uint32_t cp) +{ + return false; +} #endif /* CONFIG_CONSOLE_TRANSLATIONS */ #endif /* __LINUX_CONSOLEMAP_H__ */ -- cgit v1.2.3 From 54cda9201c673fd1c5de189d961670999232e49d Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Thu, 17 Apr 2025 14:45:08 -0400 Subject: vt: use new tables in ucs.c This removes the table from ucs.c and substitutes the generated tables from ucs_width_table.h providing comprehensive ranges for double-width and zero-width Unicode code points. Also implements ucs_is_zero_width() to query the new zero-width table. Signed-off-by: Nicolas Pitre Reviewed-by: Jiri Slaby Link: https://lore.kernel.org/r/20250417184849.475581-7-nico@fluxnic.net Signed-off-by: Greg Kroah-Hartman --- include/linux/consolemap.h | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) (limited to 'include/linux') diff --git a/include/linux/consolemap.h b/include/linux/consolemap.h index 7d778752dcef..b3a911866662 100644 --- a/include/linux/consolemap.h +++ b/include/linux/consolemap.h @@ -29,11 +29,7 @@ u32 conv_8bit_to_uni(unsigned char c); int conv_uni_to_8bit(u32 uni); void console_map_init(void); bool ucs_is_double_width(uint32_t cp); -static inline bool ucs_is_zero_width(uint32_t cp) -{ - /* coming soon */ - return false; -} +bool ucs_is_zero_width(uint32_t cp); #else static inline u16 inverse_translate(const struct vc_data *conp, u16 glyph, bool use_unicode) -- cgit v1.2.3 From b5c574995d842d241d810f3a6a3ebb03c52d57fa Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Thu, 17 Apr 2025 14:45:11 -0400 Subject: vt: support Unicode recomposition Try replacing any decomposed Unicode sequence by the corresponding recomposed code point. Code point to glyph correspondance works best after recomposition, and this apply mostly to single-width code points therefore we can't preserve them in their decomposed form anyway. Signed-off-by: Nicolas Pitre Reviewed-by: Jiri Slaby Link: https://lore.kernel.org/r/20250417184849.475581-10-nico@fluxnic.net Signed-off-by: Greg Kroah-Hartman --- include/linux/consolemap.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/linux') diff --git a/include/linux/consolemap.h b/include/linux/consolemap.h index b3a911866662..8167494229db 100644 --- a/include/linux/consolemap.h +++ b/include/linux/consolemap.h @@ -30,6 +30,7 @@ int conv_uni_to_8bit(u32 uni); void console_map_init(void); bool ucs_is_double_width(uint32_t cp); bool ucs_is_zero_width(uint32_t cp); +u32 ucs_recompose(u32 base, u32 mark); #else static inline u16 inverse_translate(const struct vc_data *conp, u16 glyph, bool use_unicode) @@ -69,6 +70,11 @@ static inline bool ucs_is_zero_width(uint32_t cp) { return false; } + +static inline u32 ucs_recompose(u32 base, u32 mark) +{ + return 0; +} #endif /* CONFIG_CONSOLE_TRANSLATIONS */ #endif /* __LINUX_CONSOLEMAP_H__ */ -- cgit v1.2.3 From fe26933cf1e151ce0a5d858c263e8dacb2f12cee Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Wed, 7 May 2025 10:13:21 -0400 Subject: vt: add ucs_get_fallback() This is the code querying the newly introduced tables. Signed-off-by: Nicolas Pitre Link: https://lore.kernel.org/r/20250507141535.40655-7-nico@fluxnic.net Signed-off-by: Greg Kroah-Hartman --- include/linux/consolemap.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/linux') diff --git a/include/linux/consolemap.h b/include/linux/consolemap.h index 8167494229db..6180b803795c 100644 --- a/include/linux/consolemap.h +++ b/include/linux/consolemap.h @@ -31,6 +31,7 @@ void console_map_init(void); bool ucs_is_double_width(uint32_t cp); bool ucs_is_zero_width(uint32_t cp); u32 ucs_recompose(u32 base, u32 mark); +u32 ucs_get_fallback(u32 cp); #else static inline u16 inverse_translate(const struct vc_data *conp, u16 glyph, bool use_unicode) @@ -75,6 +76,11 @@ static inline u32 ucs_recompose(u32 base, u32 mark) { return 0; } + +static inline u32 ucs_get_fallback(u32 cp) +{ + return 0; +} #endif /* CONFIG_CONSOLE_TRANSLATIONS */ #endif /* __LINUX_CONSOLEMAP_H__ */ -- cgit v1.2.3 From 80fa7a03378588582eb40f89b6f418c0c256cf24 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Tue, 20 May 2025 13:16:43 -0400 Subject: vt: bracketed paste support This is comprised of 3 aspects: - Take note of when applications advertise bracketed paste support via "\e[?2004h" and "\e[?2004l". - Insert bracketed paste markers ("\e[200~" and "\e[201~") around pasted content in paste_selection() when bracketed paste is active. - Add TIOCL_GETBRACKETEDPASTE to return bracketed paste status so user space daemons implementing cut-and-paste functionality (e.g. gpm, BRLTTY) may know when to insert bracketed paste markers. Link: https://en.wikipedia.org/wiki/Bracketed-paste Signed-off-by: Nicolas Pitre Reviewed-by: Jiri Slaby Link: https://lore.kernel.org/r/20250520171851.1219676-2-nico@fluxnic.net Signed-off-by: Greg Kroah-Hartman --- include/linux/console_struct.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux') diff --git a/include/linux/console_struct.h b/include/linux/console_struct.h index 20f564e98552..59b4fec5f254 100644 --- a/include/linux/console_struct.h +++ b/include/linux/console_struct.h @@ -145,6 +145,7 @@ struct vc_data { unsigned int vc_need_wrap : 1; unsigned int vc_can_do_color : 1; unsigned int vc_report_mouse : 2; + unsigned int vc_bracketed_paste : 1; unsigned char vc_utf : 1; /* Unicode UTF-8 encoding */ unsigned char vc_utf_count; int vc_utf_char; -- cgit v1.2.3