sparc32: introduce sparc32_start_kernel called from head_32.S (4efb55e6) · Commits · 戴 / test

arch/sparc/kernel/head_32.S

+2 −8

Original line number	Diff line number	Diff line
		@@ -661,16 +661,10 @@ continue_boot:
		wr %g3, PSR_ET, %psr
		WRITE_PAUSE

		/* First we call prom_init() to set up PROMLIB, then
		* off to start_kernel().
		*/

		/* Call sparc32_start_kernel(struct linux_romvec rp) /
		sethi %hi(prom_vector_p), %g5
		ld [%g5 + %lo(prom_vector_p)], %o0
		call prom_init
		nop

		call start_kernel
		call sparc32_start_kernel
		nop

		/* We should not get here. */

+3 −0

Original line number	Diff line number	Diff line
		@@ -26,6 +26,9 @@ static inline unsigned long kimage_addr_to_ra(const char *p)
		#endif

		#ifdef CONFIG_SPARC32
		/* setup_32.c */
		void sparc32_start_kernel(struct linux_romvec *rp);

		/* cpu.c */
		extern void cpu_probe(void);

+10 −0

Original line number	Diff line number	Diff line
		@@ -32,6 +32,7 @@
		#include <linux/cpu.h>
		#include <linux/kdebug.h>
		#include <linux/export.h>
		#include <linux/start_kernel.h>

		#include <asm/io.h>
		#include <asm/processor.h>
		@@ -244,6 +245,15 @@ struct tt_entry *sparc_ttable;

		struct pt_regs fake_swapper_regs;

		/* Called from head_32.S - before we have setup anything
		* in the kernel. Be very careful with what you do here.
		*/
		void __init sparc32_start_kernel(struct linux_romvec *rp)
		{
		prom_init(rp);
		start_kernel();
		}

		void __init setup_arch(char **cmdline_p)
		{
		int i;