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-rw-r--r--hw/mips_malta.c52
1 files changed, 27 insertions, 25 deletions
diff --git a/hw/mips_malta.c b/hw/mips_malta.c
index a9b2c74..cc0a886 100644
--- a/hw/mips_malta.c
+++ b/hw/mips_malta.c
@@ -655,41 +655,37 @@ static void write_bootloader (CPUState *env, uint8_t *base,
}
-static void prom_set(int index, const char *string, ...)
+static void prom_set(uint32_t* prom_buf, int index, const char *string, ...)
{
- char buf[ENVP_ENTRY_SIZE];
- target_phys_addr_t p;
va_list ap;
int32_t table_addr;
if (index >= ENVP_NB_ENTRIES)
return;
- p = ENVP_ADDR + VIRT_TO_PHYS_ADDEND + index * 4;
-
if (string == NULL) {
- stl_phys(p, 0);
+ prom_buf[index] = 0;
return;
}
- table_addr = ENVP_ADDR + sizeof(int32_t) * ENVP_NB_ENTRIES
- + index * ENVP_ENTRY_SIZE;
- stl_phys(p, table_addr);
+ table_addr = sizeof(int32_t) * ENVP_NB_ENTRIES + index * ENVP_ENTRY_SIZE;
+ prom_buf[index] = tswap32(ENVP_ADDR + table_addr);
va_start(ap, string);
- vsnprintf(buf, ENVP_ENTRY_SIZE, string, ap);
+ vsnprintf((char *)prom_buf + table_addr, ENVP_ENTRY_SIZE, string, ap);
va_end(ap);
- pstrcpy_targphys("prom", table_addr + VIRT_TO_PHYS_ADDEND, ENVP_ENTRY_SIZE, buf);
}
/* Kernel */
static int64_t load_kernel (void)
{
int64_t kernel_entry, kernel_low, kernel_high;
- int index = 0;
long initrd_size;
ram_addr_t initrd_offset;
int big_endian;
+ uint32_t *prom_buf;
+ long prom_size;
+ int prom_index = 0;
#ifdef TARGET_WORDS_BIGENDIAN
big_endian = 1;
@@ -729,21 +725,27 @@ static int64_t load_kernel (void)
}
}
- /* Store command line. */
- prom_set(index++, loaderparams.kernel_filename);
- if (initrd_size > 0)
- prom_set(index++, "rd_start=0x" TARGET_FMT_lx " rd_size=%li %s",
+ /* Setup prom parameters. */
+ prom_size = ENVP_NB_ENTRIES * (sizeof(int32_t) + ENVP_ENTRY_SIZE);
+ prom_buf = qemu_malloc(prom_size);
+
+ prom_set(prom_buf, prom_index++, loaderparams.kernel_filename);
+ if (initrd_size > 0) {
+ prom_set(prom_buf, prom_index++, "rd_start=0x" TARGET_FMT_lx " rd_size=%li %s",
PHYS_TO_VIRT(initrd_offset), initrd_size,
loaderparams.kernel_cmdline);
- else
- prom_set(index++, loaderparams.kernel_cmdline);
-
- /* Setup minimum environment variables */
- prom_set(index++, "memsize");
- prom_set(index++, "%i", loaderparams.ram_size);
- prom_set(index++, "modetty0");
- prom_set(index++, "38400n8r");
- prom_set(index++, NULL);
+ } else {
+ prom_set(prom_buf, prom_index++, loaderparams.kernel_cmdline);
+ }
+
+ prom_set(prom_buf, prom_index++, "memsize");
+ prom_set(prom_buf, prom_index++, "%i", loaderparams.ram_size);
+ prom_set(prom_buf, prom_index++, "modetty0");
+ prom_set(prom_buf, prom_index++, "38400n8r");
+ prom_set(prom_buf, prom_index++, NULL);
+
+ rom_add_blob_fixed("prom", prom_buf, prom_size,
+ ENVP_ADDR + VIRT_TO_PHYS_ADDEND);
return kernel_entry;
}