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From: Anup Patel <anup.patel@wdc.com>
To: Peter Maydell <peter.maydell@linaro.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Alistair Francis <Alistair.Francis@wdc.com>,
	Sagar Karandikar <sagark@eecs.berkeley.edu>
Cc: Atish Patra <atish.patra@wdc.com>,
	Anup Patel <anup.patel@wdc.com>,
	qemu-riscv@nongnu.org, qemu-devel@nongnu.org,
	Anup Patel <anup@brainfault.org>
Subject: [PATCH 1/3] hw/riscv: Add optional symbol callback ptr to riscv_load_firmware()
Date: Fri, 14 Feb 2020 12:51:25 +0530	[thread overview]
Message-ID: <20200214072127.64330-2-anup.patel@wdc.com> (raw)
In-Reply-To: <20200214072127.64330-1-anup.patel@wdc.com>

This patch adds an optional function pointer, "sym_cb", to
riscv_load_firmware() which provides the possibility to access
the symbol table during kernel loading.

The pointer is ignored, if supplied with flat (non-elf) firmware image.

The Spike board requires it locate the HTIF symbols from firmware ELF
passed via "-bios" option.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
---
 hw/riscv/boot.c         | 13 ++++++++-----
 hw/riscv/sifive_u.c     |  2 +-
 hw/riscv/virt.c         |  2 +-
 include/hw/riscv/boot.h |  6 ++++--
 4 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/hw/riscv/boot.c b/hw/riscv/boot.c
index 027303d2a3..7ec94dc701 100644
--- a/hw/riscv/boot.c
+++ b/hw/riscv/boot.c
@@ -36,7 +36,8 @@
 
 void riscv_find_and_load_firmware(MachineState *machine,
                                   const char *default_machine_firmware,
-                                  hwaddr firmware_load_addr)
+                                  hwaddr firmware_load_addr,
+                                  symbol_fn_t sym_cb)
 {
     char *firmware_filename = NULL;
 
@@ -76,7 +77,7 @@ void riscv_find_and_load_firmware(MachineState *machine,
 
     if (firmware_filename) {
         /* If not "none" load the firmware */
-        riscv_load_firmware(firmware_filename, firmware_load_addr);
+        riscv_load_firmware(firmware_filename, firmware_load_addr, sym_cb);
         g_free(firmware_filename);
     }
 }
@@ -96,12 +97,14 @@ char *riscv_find_firmware(const char *firmware_filename)
 }
 
 target_ulong riscv_load_firmware(const char *firmware_filename,
-                                 hwaddr firmware_load_addr)
+                                 hwaddr firmware_load_addr,
+                                 symbol_fn_t sym_cb)
 {
     uint64_t firmware_entry, firmware_start, firmware_end;
 
-    if (load_elf(firmware_filename, NULL, NULL, NULL, &firmware_entry,
-                 &firmware_start, &firmware_end, 0, EM_RISCV, 1, 0) > 0) {
+    if (load_elf_ram_sym(firmware_filename, NULL, NULL, NULL,
+                         &firmware_entry, &firmware_start, &firmware_end, 0,
+                         EM_RISCV, 1, 0, NULL, true, sym_cb) > 0) {
         return firmware_entry;
     }
 
diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c
index 0140e95732..0c84215f42 100644
--- a/hw/riscv/sifive_u.c
+++ b/hw/riscv/sifive_u.c
@@ -341,7 +341,7 @@ static void riscv_sifive_u_init(MachineState *machine)
     create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline);
 
     riscv_find_and_load_firmware(machine, BIOS_FILENAME,
-                                 memmap[SIFIVE_U_DRAM].base);
+                                 memmap[SIFIVE_U_DRAM].base, NULL);
 
     if (machine->kernel_filename) {
         uint64_t kernel_entry = riscv_load_kernel(machine->kernel_filename,
diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
index c44b865959..90a5bfef63 100644
--- a/hw/riscv/virt.c
+++ b/hw/riscv/virt.c
@@ -476,7 +476,7 @@ static void riscv_virt_board_init(MachineState *machine)
                                 mask_rom);
 
     riscv_find_and_load_firmware(machine, BIOS_FILENAME,
-                                 memmap[VIRT_DRAM].base);
+                                 memmap[VIRT_DRAM].base, NULL);
 
     if (machine->kernel_filename) {
         uint64_t kernel_entry = riscv_load_kernel(machine->kernel_filename,
diff --git a/include/hw/riscv/boot.h b/include/hw/riscv/boot.h
index df80051fbc..474a940ad5 100644
--- a/include/hw/riscv/boot.h
+++ b/include/hw/riscv/boot.h
@@ -24,10 +24,12 @@
 
 void riscv_find_and_load_firmware(MachineState *machine,
                                   const char *default_machine_firmware,
-                                  hwaddr firmware_load_addr);
+                                  hwaddr firmware_load_addr,
+                                  symbol_fn_t sym_cb);
 char *riscv_find_firmware(const char *firmware_filename);
 target_ulong riscv_load_firmware(const char *firmware_filename,
-                                 hwaddr firmware_load_addr);
+                                 hwaddr firmware_load_addr,
+                                 symbol_fn_t sym_cb);
 target_ulong riscv_load_kernel(const char *kernel_filename,
                                symbol_fn_t sym_cb);
 hwaddr riscv_load_initrd(const char *filename, uint64_t mem_size,
-- 
2.17.1



WARNING: multiple messages have this Message-ID (diff)
From: Anup Patel <anup.patel@wdc.com>
To: Peter Maydell <peter.maydell@linaro.org>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Alistair Francis <Alistair.Francis@wdc.com>,
	Sagar Karandikar <sagark@eecs.berkeley.edu>
Cc: Atish Patra <atish.patra@wdc.com>,
	Anup Patel <anup@brainfault.org>,
	qemu-riscv@nongnu.org, qemu-devel@nongnu.org,
	Anup Patel <anup.patel@wdc.com>
Subject: [PATCH 1/3] hw/riscv: Add optional symbol callback ptr to riscv_load_firmware()
Date: Fri, 14 Feb 2020 12:51:25 +0530	[thread overview]
Message-ID: <20200214072127.64330-2-anup.patel@wdc.com> (raw)
In-Reply-To: <20200214072127.64330-1-anup.patel@wdc.com>

This patch adds an optional function pointer, "sym_cb", to
riscv_load_firmware() which provides the possibility to access
the symbol table during kernel loading.

The pointer is ignored, if supplied with flat (non-elf) firmware image.

The Spike board requires it locate the HTIF symbols from firmware ELF
passed via "-bios" option.

Signed-off-by: Anup Patel <anup.patel@wdc.com>
---
 hw/riscv/boot.c         | 13 ++++++++-----
 hw/riscv/sifive_u.c     |  2 +-
 hw/riscv/virt.c         |  2 +-
 include/hw/riscv/boot.h |  6 ++++--
 4 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/hw/riscv/boot.c b/hw/riscv/boot.c
index 027303d2a3..7ec94dc701 100644
--- a/hw/riscv/boot.c
+++ b/hw/riscv/boot.c
@@ -36,7 +36,8 @@
 
 void riscv_find_and_load_firmware(MachineState *machine,
                                   const char *default_machine_firmware,
-                                  hwaddr firmware_load_addr)
+                                  hwaddr firmware_load_addr,
+                                  symbol_fn_t sym_cb)
 {
     char *firmware_filename = NULL;
 
@@ -76,7 +77,7 @@ void riscv_find_and_load_firmware(MachineState *machine,
 
     if (firmware_filename) {
         /* If not "none" load the firmware */
-        riscv_load_firmware(firmware_filename, firmware_load_addr);
+        riscv_load_firmware(firmware_filename, firmware_load_addr, sym_cb);
         g_free(firmware_filename);
     }
 }
@@ -96,12 +97,14 @@ char *riscv_find_firmware(const char *firmware_filename)
 }
 
 target_ulong riscv_load_firmware(const char *firmware_filename,
-                                 hwaddr firmware_load_addr)
+                                 hwaddr firmware_load_addr,
+                                 symbol_fn_t sym_cb)
 {
     uint64_t firmware_entry, firmware_start, firmware_end;
 
-    if (load_elf(firmware_filename, NULL, NULL, NULL, &firmware_entry,
-                 &firmware_start, &firmware_end, 0, EM_RISCV, 1, 0) > 0) {
+    if (load_elf_ram_sym(firmware_filename, NULL, NULL, NULL,
+                         &firmware_entry, &firmware_start, &firmware_end, 0,
+                         EM_RISCV, 1, 0, NULL, true, sym_cb) > 0) {
         return firmware_entry;
     }
 
diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c
index 0140e95732..0c84215f42 100644
--- a/hw/riscv/sifive_u.c
+++ b/hw/riscv/sifive_u.c
@@ -341,7 +341,7 @@ static void riscv_sifive_u_init(MachineState *machine)
     create_fdt(s, memmap, machine->ram_size, machine->kernel_cmdline);
 
     riscv_find_and_load_firmware(machine, BIOS_FILENAME,
-                                 memmap[SIFIVE_U_DRAM].base);
+                                 memmap[SIFIVE_U_DRAM].base, NULL);
 
     if (machine->kernel_filename) {
         uint64_t kernel_entry = riscv_load_kernel(machine->kernel_filename,
diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
index c44b865959..90a5bfef63 100644
--- a/hw/riscv/virt.c
+++ b/hw/riscv/virt.c
@@ -476,7 +476,7 @@ static void riscv_virt_board_init(MachineState *machine)
                                 mask_rom);
 
     riscv_find_and_load_firmware(machine, BIOS_FILENAME,
-                                 memmap[VIRT_DRAM].base);
+                                 memmap[VIRT_DRAM].base, NULL);
 
     if (machine->kernel_filename) {
         uint64_t kernel_entry = riscv_load_kernel(machine->kernel_filename,
diff --git a/include/hw/riscv/boot.h b/include/hw/riscv/boot.h
index df80051fbc..474a940ad5 100644
--- a/include/hw/riscv/boot.h
+++ b/include/hw/riscv/boot.h
@@ -24,10 +24,12 @@
 
 void riscv_find_and_load_firmware(MachineState *machine,
                                   const char *default_machine_firmware,
-                                  hwaddr firmware_load_addr);
+                                  hwaddr firmware_load_addr,
+                                  symbol_fn_t sym_cb);
 char *riscv_find_firmware(const char *firmware_filename);
 target_ulong riscv_load_firmware(const char *firmware_filename,
-                                 hwaddr firmware_load_addr);
+                                 hwaddr firmware_load_addr,
+                                 symbol_fn_t sym_cb);
 target_ulong riscv_load_kernel(const char *kernel_filename,
                                symbol_fn_t sym_cb);
 hwaddr riscv_load_initrd(const char *filename, uint64_t mem_size,
-- 
2.17.1



  reply	other threads:[~2020-02-14  7:24 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-14  7:21 [PATCH 0/3] RISC-V Spike machine improvements Anup Patel
2020-02-14  7:21 ` Anup Patel
2020-02-14  7:21 ` Anup Patel [this message]
2020-02-14  7:21   ` [PATCH 1/3] hw/riscv: Add optional symbol callback ptr to riscv_load_firmware() Anup Patel
2020-02-21 19:48   ` Alistair Francis
2020-02-21 19:48     ` Alistair Francis
2020-02-14  7:21 ` [PATCH 2/3] hw/riscv/spike: Allow loading firmware separately using -bios option Anup Patel
2020-02-14  7:21   ` Anup Patel
2020-02-21 19:49   ` Alistair Francis
2020-02-21 19:49     ` Alistair Francis
2020-02-14  7:21 ` [PATCH 3/3] hw/riscv/spike: Allow more than one CPUs Anup Patel
2020-02-14  7:21   ` Anup Patel
2020-02-14 20:42   ` Alistair Francis
2020-02-14 20:42     ` Alistair Francis

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