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authorJamie Iles <jamie@nuviainc.com>2021-11-11 14:11:40 +0000
committerAlistair Francis <alistair.francis@wdc.com>2022-06-10 09:31:42 +1000
commitaf9751316e53cdf7e98131afe6928a5f4445fe16 (patch)
tree3af26f7aaa3c24eef6983ffe93b783bad3859908 /hw/arm
parent40244040a7ac00d40db4dea02234d13502c30112 (diff)
hw/core/loader: return image sizes as ssize_t
Various loader functions return an int which limits images to 2GB which is fine for things like a BIOS/kernel image, but if we want to be able to load memory images or large ramdisks then any file over 2GB would silently fail to load. Cc: Luc Michel <lmichel@kalray.eu> Signed-off-by: Jamie Iles <jamie@nuviainc.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Luc Michel <lmichel@kalray.eu> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-Id: <20211111141141.3295094-2-jamie@nuviainc.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'hw/arm')
-rw-r--r--hw/arm/armv7m.c2
-rw-r--r--hw/arm/boot.c8
2 files changed, 5 insertions, 5 deletions
diff --git a/hw/arm/armv7m.c b/hw/arm/armv7m.c
index 32349ec94b..990861ee5e 100644
--- a/hw/arm/armv7m.c
+++ b/hw/arm/armv7m.c
@@ -570,7 +570,7 @@ static void armv7m_reset(void *opaque)
void armv7m_load_kernel(ARMCPU *cpu, const char *kernel_filename, int mem_size)
{
- int image_size;
+ ssize_t image_size;
uint64_t entry;
int big_endian;
AddressSpace *as;
diff --git a/hw/arm/boot.c b/hw/arm/boot.c
index a8de33fd64..ada2717f76 100644
--- a/hw/arm/boot.c
+++ b/hw/arm/boot.c
@@ -881,7 +881,7 @@ static int do_arm_linux_init(Object *obj, void *opaque)
return 0;
}
-static int64_t arm_load_elf(struct arm_boot_info *info, uint64_t *pentry,
+static ssize_t arm_load_elf(struct arm_boot_info *info, uint64_t *pentry,
uint64_t *lowaddr, uint64_t *highaddr,
int elf_machine, AddressSpace *as)
{
@@ -892,7 +892,7 @@ static int64_t arm_load_elf(struct arm_boot_info *info, uint64_t *pentry,
} elf_header;
int data_swab = 0;
bool big_endian;
- int64_t ret = -1;
+ ssize_t ret = -1;
Error *err = NULL;
@@ -1014,7 +1014,7 @@ static void arm_setup_direct_kernel_boot(ARMCPU *cpu,
/* Set up for a direct boot of a kernel image file. */
CPUState *cs;
AddressSpace *as = arm_boot_address_space(cpu, info);
- int kernel_size;
+ ssize_t kernel_size;
int initrd_size;
int is_linux = 0;
uint64_t elf_entry;
@@ -1093,7 +1093,7 @@ static void arm_setup_direct_kernel_boot(ARMCPU *cpu,
if (kernel_size > info->ram_size) {
error_report("kernel '%s' is too large to fit in RAM "
- "(kernel size %d, RAM size %" PRId64 ")",
+ "(kernel size %zd, RAM size %" PRId64 ")",
info->kernel_filename, kernel_size, info->ram_size);
exit(1);
}