diff options
| -rw-r--r-- | hw/xtensa/bootparam.h | 9 | ||||
| -rw-r--r-- | hw/xtensa/xtfpga.c | 9 |
2 files changed, 17 insertions, 1 deletions
diff --git a/hw/xtensa/bootparam.h b/hw/xtensa/bootparam.h index e839bee..955f4e8 100644 --- a/hw/xtensa/bootparam.h +++ b/hw/xtensa/bootparam.h @@ -16,6 +16,15 @@ typedef struct BpTag { uint16_t size; } BpTag; +typedef struct BpMemInfo { + uint32_t type; + uint32_t start; + uint32_t end; +} BpMemInfo; + +#define MEMORY_TYPE_CONVENTIONAL 0x1000 +#define MEMORY_TYPE_NONE 0x2000 + static inline size_t get_tag_size(size_t data_size) { return data_size + sizeof(BpTag) + 4; diff --git a/hw/xtensa/xtfpga.c b/hw/xtensa/xtfpga.c index 689d078..97e5842 100644 --- a/hw/xtensa/xtfpga.c +++ b/hw/xtensa/xtfpga.c @@ -237,9 +237,14 @@ static void lx_init(const LxBoardDesc *board, MachineState *machine) /* Use presence of kernel file name as 'boot from SRAM' switch. */ if (kernel_filename) { - size_t bp_size = 2 * get_tag_size(0); + size_t bp_size = 3 * get_tag_size(0); /* first/last and memory tags */ uint32_t tagptr = 0xfe000000 + board->sram_size; uint32_t cur_tagptr; + BpMemInfo memory_location = { + .type = tswap32(MEMORY_TYPE_CONVENTIONAL), + .start = tswap32(0), + .end = tswap32(machine->ram_size), + }; rom = g_malloc(sizeof(*rom)); memory_region_init_ram(rom, NULL, "lx60.sram", board->sram_size); @@ -253,6 +258,8 @@ static void lx_init(const LxBoardDesc *board, MachineState *machine) /* Put kernel bootparameters to the end of that SRAM */ tagptr = (tagptr - bp_size) & ~0xff; cur_tagptr = put_tag(tagptr, BP_TAG_FIRST, 0, NULL); + cur_tagptr = put_tag(cur_tagptr, BP_TAG_MEMORY, + sizeof(memory_location), &memory_location); if (kernel_cmdline) { cur_tagptr = put_tag(cur_tagptr, BP_TAG_COMMAND_LINE, |