diff options
Diffstat (limited to 'com32/lib/syslinux/load_linux.c')
| -rw-r--r-- | com32/lib/syslinux/load_linux.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/com32/lib/syslinux/load_linux.c b/com32/lib/syslinux/load_linux.c index 13a0fa0d..74a52e66 100644 --- a/com32/lib/syslinux/load_linux.c +++ b/com32/lib/syslinux/load_linux.c @@ -38,6 +38,16 @@ #include <syslinux/bootrm.h> #include <syslinux/movebits.h> +#ifndef DEBUG +# define DEBUG 0 +#endif +#if DEBUG +# include <stdio.h> +# define dprintf printf +#else +# define dprintf(f, ...) ((void)0) +#endif + struct linux_header { uint8_t boot_sector_1[0x0020]; uint16_t old_cmd_line_magic; @@ -225,6 +235,11 @@ int syslinux_boot_linux(void *kernel_buf, size_t kernel_size, if (!mmap || !amap) goto bail; +#if DEBUG + dprintf("Initial memory map:\n"); + syslinux_dump_memmap(stdout, mmap); +#endif + /* If the user has specified a memory limit, mark that as unavailable. Question: should we mark this off-limit in the mmap as well (meaning it's unavailable to the boot loader, which probably has already touched @@ -301,6 +316,17 @@ int syslinux_boot_linux(void *kernel_buf, size_t kernel_size, /* regs.ip = 0; */ regs.esp.w[0] = cmdline_offset; +#if DEBUG + dprintf("Final memory map:\n"); + syslinux_dump_memmap(stdout, mmap); + + dprintf("Final available map:\n"); + syslinux_dump_memmap(stdout, amap); + + dprintf("Initial movelist:\n"); + syslinux_dump_movelist(stdout, fraglist); +#endif + syslinux_shuffle_boot_rm(fraglist, mmap, 0, ®s); bail: |