fixed stupid issue with xed where it reversed the operands for an LMSW

[palacios-OLD.git] / palacios / src / devices / nvram.c

diff --git a/palacios/src/devices/nvram.c b/palacios/src/devices/nvram.c
index a8bfc53..10574e4 100644 (file)
--- a/palacios/src/devices/nvram.c
+++ b/palacios/src/devices/nvram.c
@@ -462,7 +462,7 @@ static void set_memory_size(struct nvram_internal * nvram, addr_t bytes) {
 
   {
     // Set the extended memory beyond 16 MB in 64k chunks
-    uint16_t mem_chunks = bytes * (1024 / 64);
+    uint16_t mem_chunks = (bytes - (1024 * 1024 * 16)) / (1024 * 64);
     nvram->mem_state[NVRAM_REG_AMI_BIG_MEMORY_HIGH] = (mem_chunks >> 8) & 0x00ff;
     nvram->mem_state[NVRAM_REG_AMI_BIG_MEMORY_LOW] = mem_chunks & 0x00ff;
   }
@@ -474,15 +474,7 @@ static int init_nvram_state(struct vm_device * dev) {
   struct guest_info * info = dev->vm;
   struct nvram_internal * nvram_state = (struct nvram_internal *)dev->private_data;
   
-  /* TODO:
-   * The amount of ram in the system is stored in info->mem_size
-   * We need to reflect that value correctly here
-   */
-  PrintError("TODO: Set the nvram memory register to reflect info->mem_size (%p)\n", (void *)(info->mem_size));
-  
-
-  memset(nvram_state->mem_state, 0, NVRAM_REG_MAX);
-
+   memset(nvram_state->mem_state, 0, NVRAM_REG_MAX);
 
   //
   // 2 1.44 MB floppy drives
@@ -549,7 +541,7 @@ static int init_nvram_state(struct vm_device * dev) {
   nvram_state->us = 0;
   nvram_state->pus = 0;
 
-  set_memory_size(nvram_state, dev->vm->mem_size);
+  set_memory_size(nvram_state, info->mem_size);
 
   nvram_state->dev_state = NVRAM_READY;
   nvram_state->thereg = 0;