parisc: PA-Linux requires at least 32 MB RAM (82d96bf6) · Commits · 戴 / test

arch/parisc/boot/compressed/misc.c

+20 −11

Original line number	Diff line number	Diff line
		@@ -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);

		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");