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| author | Ingo Molnar <mingo@kernel.org> | 2019-05-16 09:04:48 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2019-05-16 09:04:48 +0200 |
| commit | 00f5764dbb040188e5dce2cd9e648360886b045c (patch) | |
| tree | 2dc969bb165a27a7cebdd1798b7a697243a790de /arch/parisc/boot | |
| parent | 409ca45526a428620d8efb362ccfd4b1e6b80642 (diff) | |
| parent | 5ac94332248ee017964ba368cdda4ce647e3aba7 (diff) | |
| download | linux-00f5764dbb040188e5dce2cd9e648360886b045c.tar.bz2 | |
Merge branch 'linus' into x86/urgent, to pick up dependent changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/parisc/boot')
| -rw-r--r-- | arch/parisc/boot/compressed/head.S | 6 | ||||
| -rw-r--r-- | arch/parisc/boot/compressed/misc.c | 31 |
2 files changed, 23 insertions, 14 deletions
diff --git a/arch/parisc/boot/compressed/head.S b/arch/parisc/boot/compressed/head.S index 5aba20fa48aa..e8b798fd0cf0 100644 --- a/arch/parisc/boot/compressed/head.S +++ b/arch/parisc/boot/compressed/head.S @@ -22,7 +22,7 @@ __HEAD ENTRY(startup) - .level LEVEL + .level PA_ASM_LEVEL #define PSW_W_SM 0x200 #define PSW_W_BIT 36 @@ -63,7 +63,7 @@ $bss_loop: load32 BOOTADDR(decompress_kernel),%r3 #ifdef CONFIG_64BIT - .level LEVEL + .level PA_ASM_LEVEL ssm PSW_W_SM, %r0 /* set W-bit */ depdi 0, 31, 32, %r3 #endif @@ -72,7 +72,7 @@ $bss_loop: startup_continue: #ifdef CONFIG_64BIT - .level LEVEL + .level PA_ASM_LEVEL rsm PSW_W_SM, %r0 /* clear W-bit */ #endif diff --git a/arch/parisc/boot/compressed/misc.c b/arch/parisc/boot/compressed/misc.c index 2556bb181813..2d395998f524 100644 --- a/arch/parisc/boot/compressed/misc.c +++ b/arch/parisc/boot/compressed/misc.c @@ -145,14 +145,13 @@ static int putchar(int c) void __noreturn error(char *x) { - puts("\n\n"); - puts(x); - puts("\n\n -- System halted"); + if (x) puts(x); + puts("\n -- System halted\n"); while (1) /* wait forever */ ; } -static int print_hex(unsigned long num) +static int print_num(unsigned long num, int base) { const char hex[] = "0123456789abcdef"; char str[40]; @@ -160,12 +159,14 @@ static int print_hex(unsigned long num) str[i--] = '\0'; do { - str[i--] = hex[num & 0x0f]; - num >>= 4; + str[i--] = hex[num % base]; + num = num / base; } while (num); - str[i--] = 'x'; - str[i] = '0'; + if (base == 16) { + str[i--] = 'x'; + str[i] = '0'; + } else i++; puts(&str[i]); return 0; @@ -187,8 +188,9 @@ put: if (fmt[++i] == '%') goto put; + print_num(va_arg(args, unsigned long), + fmt[i] == 'x' ? 16:10); ++i; - print_hex(va_arg(args, unsigned long)); } va_end(args); @@ -327,8 +329,15 @@ unsigned long decompress_kernel(unsigned int started_wide, free_mem_end_ptr = rd_start; #endif - if (free_mem_ptr >= free_mem_end_ptr) - error("Kernel too big for machine."); + if (free_mem_ptr >= free_mem_end_ptr) { + int free_ram; + free_ram = (free_mem_ptr >> 20) + 1; + if (free_ram < 32) + free_ram = 32; + printf("\nKernel requires at least %d MB RAM.\n", + free_ram); + error(NULL); + } #ifdef DEBUG printf("\n"); |