| Message ID | 85b1dc6339351cbc46d179e8fdb9dfc398e58303.1616765870.git.christophe.leroy@csgroup.eu (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Implement GENERIC_CMDLINE | expand |
> -----Original Message----- > From: Christophe Leroy <christophe.leroy@csgroup.eu> > Sent: Friday, March 26, 2021 9:45 PM > To: will@kernel.org; danielwa@cisco.com; robh@kernel.org; > daniel@gimpelevich.san-francisco.ca.us > Cc: linux-arch@vger.kernel.org; devicetree@vger.kernel.org; linuxppc- > dev@lists.ozlabs.org; linux-kernel@vger.kernel.org; linuxppc- > dev@lists.ozlabs.org; linux-arm-kernel@lists.infradead.org; microblaze > <monstr@monstr.eu>; linux-mips@vger.kernel.org; Tan, Ley Foon > <ley.foon.tan@intel.com>; openrisc@lists.librecores.org; linux- > hexagon@vger.kernel.org; linux-riscv@lists.infradead.org; x86@kernel.org; > linux-xtensa@linux-xtensa.org; linux-sh@vger.kernel.org; > sparclinux@vger.kernel.org > Subject: [PATCH v3 09/17] nios2: Convert to GENERIC_CMDLINE > > This converts the architecture to GENERIC_CMDLINE. > > Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> > --- > arch/nios2/Kconfig | 24 +----------------------- > arch/nios2/kernel/setup.c | 13 ++++--------- > 2 files changed, 5 insertions(+), 32 deletions(-) > > diff --git a/arch/nios2/Kconfig b/arch/nios2/Kconfig index > c24955c81c92..f66c97b15813 100644 > --- a/arch/nios2/Kconfig > +++ b/arch/nios2/Kconfig > @@ -90,31 +90,9 @@ config NIOS2_ALIGNMENT_TRAP > > comment "Boot options" > > -config CMDLINE_BOOL > - bool "Default bootloader kernel arguments" > - default y > - > -config CMDLINE > - string "Default kernel command string" > - default "" > - depends on CMDLINE_BOOL > - help > - On some platforms, there is currently no way for the boot loader to > - pass arguments to the kernel. For these platforms, you can supply > - some command-line options at build time by entering them here. In > - other cases you can specify kernel args so that you don't have > - to set them up in board prom initialization routines. > - > -config CMDLINE_FORCE > - bool "Force default kernel command string" > - depends on CMDLINE_BOOL > - help > - Set this to have arguments from the default kernel command string > - override those passed by the boot loader. > - > config NIOS2_CMDLINE_IGNORE_DTB > bool "Ignore kernel command string from DTB" > - depends on CMDLINE_BOOL > + depends on CMDLINE != "" > depends on !CMDLINE_FORCE > default y > help Missing " select GENERIC_CMDLINE" ? > diff --git a/arch/nios2/kernel/setup.c b/arch/nios2/kernel/setup.c index > d2f21957e99c..42464f457a6d 100644 > --- a/arch/nios2/kernel/setup.c > +++ b/arch/nios2/kernel/setup.c > @@ -20,6 +20,7 @@ > #include <linux/initrd.h> > #include <linux/of_fdt.h> > #include <linux/screen_info.h> > +#include <linux/cmdline.h> > > #include <asm/mmu_context.h> > #include <asm/sections.h> > @@ -108,7 +109,7 @@ asmlinkage void __init nios2_boot_init(unsigned r4, > unsigned r5, unsigned r6, > unsigned r7) > { > unsigned dtb_passed = 0; > - char cmdline_passed[COMMAND_LINE_SIZE] __maybe_unused = > { 0, }; > + char cmdline_passed[COMMAND_LINE_SIZE] = { 0, }; > > #if defined(CONFIG_NIOS2_PASS_CMDLINE) > if (r4 == 0x534f494e) { /* r4 is magic NIOS */ @@ -127,14 +128,8 @@ > asmlinkage void __init nios2_boot_init(unsigned r4, unsigned r5, unsigned r6, > > early_init_devtree((void *)dtb_passed); > > -#ifndef CONFIG_CMDLINE_FORCE > - if (cmdline_passed[0]) > - strlcpy(boot_command_line, cmdline_passed, > COMMAND_LINE_SIZE); > -#ifdef CONFIG_NIOS2_CMDLINE_IGNORE_DTB > - else > - strlcpy(boot_command_line, CONFIG_CMDLINE, > COMMAND_LINE_SIZE); > -#endif > -#endif > + if (cmdline_passed[0] || > IS_ENABLED(CONFIG_NIOS2_CMDLINE_IGNORE_DTB)) > + cmdline_build(boot_command_line, cmdline_passed, > COMMAND_LINE_SIZE); > > parse_early_param(); > } > -- > 2.25.0
Le 29/03/2021 à 03:35, Tan, Ley Foon a écrit : > > >> -----Original Message----- >> From: Christophe Leroy <christophe.leroy@csgroup.eu> >> Sent: Friday, March 26, 2021 9:45 PM >> To: will@kernel.org; danielwa@cisco.com; robh@kernel.org; >> daniel@gimpelevich.san-francisco.ca.us >> Cc: linux-arch@vger.kernel.org; devicetree@vger.kernel.org; linuxppc- >> dev@lists.ozlabs.org; linux-kernel@vger.kernel.org; linuxppc- >> dev@lists.ozlabs.org; linux-arm-kernel@lists.infradead.org; microblaze >> <monstr@monstr.eu>; linux-mips@vger.kernel.org; Tan, Ley Foon >> <ley.foon.tan@intel.com>; openrisc@lists.librecores.org; linux- >> hexagon@vger.kernel.org; linux-riscv@lists.infradead.org; x86@kernel.org; >> linux-xtensa@linux-xtensa.org; linux-sh@vger.kernel.org; >> sparclinux@vger.kernel.org >> Subject: [PATCH v3 09/17] nios2: Convert to GENERIC_CMDLINE >> >> This converts the architecture to GENERIC_CMDLINE. >> >> Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> >> --- >> arch/nios2/Kconfig | 24 +----------------------- >> arch/nios2/kernel/setup.c | 13 ++++--------- >> 2 files changed, 5 insertions(+), 32 deletions(-) >> >> diff --git a/arch/nios2/Kconfig b/arch/nios2/Kconfig index >> c24955c81c92..f66c97b15813 100644 >> --- a/arch/nios2/Kconfig >> +++ b/arch/nios2/Kconfig >> @@ -90,31 +90,9 @@ config NIOS2_ALIGNMENT_TRAP >> >> comment "Boot options" >> >> -config CMDLINE_BOOL >> - bool "Default bootloader kernel arguments" >> - default y >> - >> -config CMDLINE >> - string "Default kernel command string" >> - default "" >> - depends on CMDLINE_BOOL >> - help >> - On some platforms, there is currently no way for the boot loader to >> - pass arguments to the kernel. For these platforms, you can supply >> - some command-line options at build time by entering them here. In >> - other cases you can specify kernel args so that you don't have >> - to set them up in board prom initialization routines. >> - >> -config CMDLINE_FORCE >> - bool "Force default kernel command string" >> - depends on CMDLINE_BOOL >> - help >> - Set this to have arguments from the default kernel command string >> - override those passed by the boot loader. >> - >> config NIOS2_CMDLINE_IGNORE_DTB >> bool "Ignore kernel command string from DTB" >> - depends on CMDLINE_BOOL >> + depends on CMDLINE != "" >> depends on !CMDLINE_FORCE >> default y >> help > > Missing " select GENERIC_CMDLINE" ? Added in v4 Thanks Christophe
diff --git a/arch/nios2/Kconfig b/arch/nios2/Kconfig index c24955c81c92..f66c97b15813 100644 --- a/arch/nios2/Kconfig +++ b/arch/nios2/Kconfig @@ -90,31 +90,9 @@ config NIOS2_ALIGNMENT_TRAP comment "Boot options" -config CMDLINE_BOOL - bool "Default bootloader kernel arguments" - default y - -config CMDLINE - string "Default kernel command string" - default "" - depends on CMDLINE_BOOL - help - On some platforms, there is currently no way for the boot loader to - pass arguments to the kernel. For these platforms, you can supply - some command-line options at build time by entering them here. In - other cases you can specify kernel args so that you don't have - to set them up in board prom initialization routines. - -config CMDLINE_FORCE - bool "Force default kernel command string" - depends on CMDLINE_BOOL - help - Set this to have arguments from the default kernel command string - override those passed by the boot loader. - config NIOS2_CMDLINE_IGNORE_DTB bool "Ignore kernel command string from DTB" - depends on CMDLINE_BOOL + depends on CMDLINE != "" depends on !CMDLINE_FORCE default y help diff --git a/arch/nios2/kernel/setup.c b/arch/nios2/kernel/setup.c index d2f21957e99c..42464f457a6d 100644 --- a/arch/nios2/kernel/setup.c +++ b/arch/nios2/kernel/setup.c @@ -20,6 +20,7 @@ #include <linux/initrd.h> #include <linux/of_fdt.h> #include <linux/screen_info.h> +#include <linux/cmdline.h> #include <asm/mmu_context.h> #include <asm/sections.h> @@ -108,7 +109,7 @@ asmlinkage void __init nios2_boot_init(unsigned r4, unsigned r5, unsigned r6, unsigned r7) { unsigned dtb_passed = 0; - char cmdline_passed[COMMAND_LINE_SIZE] __maybe_unused = { 0, }; + char cmdline_passed[COMMAND_LINE_SIZE] = { 0, }; #if defined(CONFIG_NIOS2_PASS_CMDLINE) if (r4 == 0x534f494e) { /* r4 is magic NIOS */ @@ -127,14 +128,8 @@ asmlinkage void __init nios2_boot_init(unsigned r4, unsigned r5, unsigned r6, early_init_devtree((void *)dtb_passed); -#ifndef CONFIG_CMDLINE_FORCE - if (cmdline_passed[0]) - strlcpy(boot_command_line, cmdline_passed, COMMAND_LINE_SIZE); -#ifdef CONFIG_NIOS2_CMDLINE_IGNORE_DTB - else - strlcpy(boot_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE); -#endif -#endif + if (cmdline_passed[0] || IS_ENABLED(CONFIG_NIOS2_CMDLINE_IGNORE_DTB)) + cmdline_build(boot_command_line, cmdline_passed, COMMAND_LINE_SIZE); parse_early_param(); }
This converts the architecture to GENERIC_CMDLINE. Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> --- arch/nios2/Kconfig | 24 +----------------------- arch/nios2/kernel/setup.c | 13 ++++--------- 2 files changed, 5 insertions(+), 32 deletions(-)