From: Ian Campbell <ian.campbell@citrix.com>
Date: Tue, 12 Apr 2011 12:45:59 +0000 (+0100)
Subject: tools: hvmloader: refactor highbios and bios_info setup into struct bios_config
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/success/%22http:/www.example.com/cgi/success?a=commitdiff_plain;h=6b4d8dbd517abad67a25cd3caf702a484eb5d3c0;p=xen.git

tools: hvmloader: refactor highbios and bios_info setup into struct bios_config

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Keir Fraser <keir@xen.org>
---

diff --git a/tools/firmware/hvmloader/32bitbios_support.c b/tools/firmware/hvmloader/32bitbios_support.c
index fa62ccb3ee..44e89fd636 100644
--- a/tools/firmware/hvmloader/32bitbios_support.c
+++ b/tools/firmware/hvmloader/32bitbios_support.c
@@ -144,7 +144,7 @@ static uint32_t relocate_32bitbios(char *elfarray, uint32_t elfarraysize)
     return (uint32_t)highbiosarea;
 }
 
-uint32_t highbios_setup(void)
+uint32_t rombios_highbios_setup(void)
 {
     return relocate_32bitbios((char *)highbios_array, sizeof(highbios_array));
 }
diff --git a/tools/firmware/hvmloader/config.h b/tools/firmware/hvmloader/config.h
index a29e945779..3d0683414d 100644
--- a/tools/firmware/hvmloader/config.h
+++ b/tools/firmware/hvmloader/config.h
@@ -28,6 +28,9 @@ struct bios_config {
     void (*apic_setup)(void);
     void (*pci_setup)(void);
     void (*smp_setup)(void);
+
+    uint32_t (*bios_high_setup)(void);
+    void (*bios_info_setup)(uint32_t);
 };
 
 extern struct bios_config rombios_config;
diff --git a/tools/firmware/hvmloader/hvmloader.c b/tools/firmware/hvmloader/hvmloader.c
index 895321cc39..0426a42054 100644
--- a/tools/firmware/hvmloader/hvmloader.c
+++ b/tools/firmware/hvmloader/hvmloader.c
@@ -364,10 +364,10 @@ static const struct bios_config *detect_bios(void)
 
 int main(void)
 {
+    uint32_t highbios = 0;
     const struct bios_config *bios;
     int option_rom_sz = 0, vgabios_sz = 0, etherboot_sz = 0, smbios_sz = 0;
-    uint32_t etherboot_phys_addr, option_rom_phys_addr, bios32_addr;
-    struct bios_info *bios_info;
+    uint32_t etherboot_phys_addr, option_rom_phys_addr;
 
     printf("HVM Loader\n");
 
@@ -400,7 +400,9 @@ int main(void)
     printf("Loading %s ...\n", bios->name);
     memcpy((void *)bios->bios_address, bios->image,
            bios->image_size);
-    bios32_addr = highbios_setup();
+
+    if (bios->bios_high_setup)
+        highbios = bios->bios_high_setup();
 
     if ( (hvm_info->nr_vcpus > 1) || hvm_info->apic_mode )
         create_mp_tables();
@@ -480,17 +482,8 @@ int main(void)
     *E820_NR = build_e820_table(E820);
     dump_e820_table(E820, *E820_NR);
 
-    bios_info = (struct bios_info *)BIOS_INFO_PHYSICAL_ADDRESS;
-    memset(bios_info, 0, sizeof(*bios_info));
-    bios_info->com1_present = uart_exists(0x3f8);
-    bios_info->com2_present = uart_exists(0x2f8);
-    bios_info->lpt1_present = lpt_exists(0x378);
-    bios_info->hpet_present = hpet_exists(ACPI_HPET_ADDRESS);
-    bios_info->pci_min = pci_mem_start;
-    bios_info->pci_len = pci_mem_end - pci_mem_start;
-    bios_info->madt_csum_addr = madt_csum_addr;
-    bios_info->madt_lapic0_addr = madt_lapic0_addr;
-    bios_info->bios32_entry = bios32_addr;
+    if (bios->bios_info_setup)
+        bios->bios_info_setup(highbios);
 
     xenbus_shutdown();
 
diff --git a/tools/firmware/hvmloader/rombios.c b/tools/firmware/hvmloader/rombios.c
index 28c802a451..7d88425730 100644
--- a/tools/firmware/hvmloader/rombios.c
+++ b/tools/firmware/hvmloader/rombios.c
@@ -24,6 +24,7 @@
 
 #include "../rombios/config.h"
 
+#include "acpi/acpi2_0.h"
 #include "apic_regs.h"
 #include "pci_regs.h"
 #include "util.h"
@@ -35,6 +36,23 @@
 #define ROM_INCLUDE_ROMBIOS
 #include "roms.inc"
 
+static void rombios_setup_bios_info(uint32_t bioshigh)
+{
+    struct bios_info *bios_info;
+
+    bios_info = (struct bios_info *)BIOS_INFO_PHYSICAL_ADDRESS;
+    memset(bios_info, 0, sizeof(*bios_info));
+    bios_info->com1_present = uart_exists(0x3f8);
+    bios_info->com2_present = uart_exists(0x2f8);
+    bios_info->lpt1_present = lpt_exists(0x378);
+    bios_info->hpet_present = hpet_exists(ACPI_HPET_ADDRESS);
+    bios_info->pci_min = pci_mem_start;
+    bios_info->pci_len = pci_mem_end - pci_mem_start;
+    bios_info->madt_csum_addr = madt_csum_addr;
+    bios_info->madt_lapic0_addr = madt_lapic0_addr;
+    bios_info->bios32_entry = bioshigh;
+}
+
 static void rombios_apic_setup(void)
 {
     /* Set the IOAPIC ID to the static value used in the MP/ACPI tables. */
@@ -280,6 +298,9 @@ struct bios_config rombios_config =  {
     .apic_setup = rombios_apic_setup,
     .pci_setup = rombios_pci_setup,
     .smp_setup = smp_initialise,
+
+    .bios_high_setup = rombios_highbios_setup,
+    .bios_info_setup = rombios_setup_bios_info,
 };
 
 /*
diff --git a/tools/firmware/hvmloader/util.h b/tools/firmware/hvmloader/util.h
index f9e2519919..30828bb8a0 100644
--- a/tools/firmware/hvmloader/util.h
+++ b/tools/firmware/hvmloader/util.h
@@ -181,7 +181,7 @@ void xenbus_shutdown(void);
 char *xenstore_read(char *path);
 
 /* Prepare the 32bit BIOS */
-uint32_t highbios_setup(void);
+uint32_t rombios_highbios_setup(void);
 
 /* Miscellaneous. */
 void cacheattr_init(void);